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• Connecting a LAN to an OpenVPN server via a windows 7 client gateway

  - by user705142

  I've got OpenVPN set up between my windows 7 client and linux server. The goal is that I'll get secure access to a webapp running on the server from any computer on the client LAN. I'm using ccd to assign static ip addresses to each client connection, with key authentication. It's working on my client machine (10.83.41.9), and when you go to the gateway IP address (10.83.41.1), it loads up the webapp. Now I really need the other computers on the client LAN to be able to connect to the webapp as well, via the windows machine. The client has a static IP address of 192.168.2.100 on the LAN, and I've enabled IP forwarding in windows (confirmed by ipconfig /all). In my router I've forwarded 10.83.41.1 / 255.255.255.255 to 192.168.2.100. In server.conf I have.. route 192.168.2.0 255.255.255.0 And in the office ccd.. ifconfig-push 10.83.41.9 10.83.41.10 iroute 192.168.2.0 255.255.255.0 The client log is as follows: Thu Mar 15 20:19:56 2012 OpenVPN 2.2.2 Win32-MSVC++ [SSL] [LZO2] [PKCS11] built on Dec 15 2011 Thu Mar 15 20:19:56 2012 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables Thu Mar 15 20:19:56 2012 Control Channel Authentication: using 'ta.key' as a OpenVPN static key file Thu Mar 15 20:19:56 2012 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Thu Mar 15 20:19:56 2012 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication Thu Mar 15 20:19:56 2012 LZO compression initialized Thu Mar 15 20:19:56 2012 Control Channel MTU parms [ L:1558 D:166 EF:66 EB:0 ET:0 EL:0 ] Thu Mar 15 20:19:56 2012 Socket Buffers: R=[8192->8192] S=[64512->64512] Thu Mar 15 20:19:56 2012 Data Channel MTU parms [ L:1558 D:1450 EF:58 EB:135 ET:0 EL:0 AF:3/1 ] Thu Mar 15 20:19:56 2012 Local Options hash (VER=V4): '9e7066d2' Thu Mar 15 20:19:56 2012 Expected Remote Options hash (VER=V4): '162b04de' Thu Mar 15 20:19:56 2012 UDPv4 link local: [undef] Thu Mar 15 20:19:56 2012 UDPv4 link remote: 111.65.224.202:1194 Thu Mar 15 20:19:56 2012 TLS: Initial packet from 111.65.224.202:1194, sid=ceb04c22 8cc6d151 Thu Mar 15 20:19:56 2012 VERIFY OK: depth=1, /C=NZ/O=XXX./CN=XXX Thu Mar 15 20:19:56 2012 VERIFY OK: nsCertType=SERVER Thu Mar 15 20:19:56 2012 VERIFY OK: depth=0, /C=NZ/O=XXX./CN=XXX Thu Mar 15 20:19:56 2012 Replay-window backtrack occurred [1] Thu Mar 15 20:19:56 2012 Data Channel Encrypt: Cipher 'AES-256-CBC' initialized with 256 bit key Thu Mar 15 20:19:56 2012 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Thu Mar 15 20:19:56 2012 Data Channel Decrypt: Cipher 'AES-256-CBC' initialized with 256 bit key Thu Mar 15 20:19:56 2012 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Thu Mar 15 20:19:56 2012 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 1024 bit RSA Thu Mar 15 20:19:56 2012 [server] Peer Connection Initiated with 111.65.224.202:1194 Thu Mar 15 20:19:58 2012 SENT CONTROL [server]: 'PUSH_REQUEST' (status=1) Thu Mar 15 20:19:59 2012 PUSH: Received control message: 'PUSH_REPLY,route 10.83.41.1,topology net30,ping 10,ping-restart 120,ifconfig 10.83.41.9 10.83.41.10' Thu Mar 15 20:19:59 2012 OPTIONS IMPORT: timers and/or timeouts modified Thu Mar 15 20:19:59 2012 OPTIONS IMPORT: --ifconfig/up options modified Thu Mar 15 20:19:59 2012 OPTIONS IMPORT: route options modified Thu Mar 15 20:19:59 2012 ROUTE default_gateway=192.168.2.1 Thu Mar 15 20:19:59 2012 TAP-WIN32 device [OpenVPN] opened: \\.\Global\{B32D85C9-1942-42E2-80BA-7E0B5BB5185F}.tap Thu Mar 15 20:19:59 2012 TAP-Win32 Driver Version 9.9 Thu Mar 15 20:19:59 2012 TAP-Win32 MTU=1500 Thu Mar 15 20:19:59 2012 Notified TAP-Win32 driver to set a DHCP IP/netmask of 10.83.41.9/255.255.255.252 on interface {B32D85C9-1942-42E2-80BA-7E0B5BB5185F} [DHCP-serv: 10.83.41.10, lease-time: 31536000] Thu Mar 15 20:19:59 2012 Successful ARP Flush on interface [45] {B32D85C9-1942-42E2-80BA-7E0B5BB5185F} Thu Mar 15 20:20:04 2012 TEST ROUTES: 1/1 succeeded len=1 ret=1 a=0 u/d=up Thu Mar 15 20:20:04 2012 C:\WINDOWS\system32\route.exe ADD 10.83.41.1 MASK 255.255.255.255 10.83.41.10 Thu Mar 15 20:20:04 2012 ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=30 and dwForwardType=4 Thu Mar 15 20:20:04 2012 Route addition via IPAPI succeeded [adaptive] Thu Mar 15 20:20:04 2012 Initialization Sequence Completed From the other machines I can ping 192.169.2.100, but not 10.83.41.1. In the how-to, it mentions "Make sure your network interface is in promiscuous mode." as well. I can't find in the windows network config, so this may or may not be part of it. Ideally this would be achieved without any special configuration the other LAN computers. Not sure how far I'm going to get on my own at this point, any ideas? Is there something I'm missing, or anything I should need to know?

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• OpenVPN stopped working, what could have happened?

  - by jaja

  I have Openvpn, and it worked great when I used it on PC (Windows 8), then I copied all files (Certificates and config) to an Android 4 phone to use them. Now, Openvpn works on the phone, but not the PC. Specifically, when I open Google I get: The server at www.google.com can't be found, because the DNS lookup failed, but the VPN seems to be connected. I have a simple question, could the problem be because I copied the same files? Routing table before connecting:- IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.1.254 192.168.1.101 25 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.1.0 255.255.255.0 On-link 192.168.1.101 281 192.168.1.101 255.255.255.255 On-link 192.168.1.101 281 192.168.1.255 255.255.255.255 On-link 192.168.1.101 281 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 192.168.1.101 281 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 192.168.1.101 281 =========================================================================== Routing table after connecting:- IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.1.254 192.168.1.101 25 0.0.0.0 128.0.0.0 10.8.0.5 10.8.0.6 30 10.8.0.1 255.255.255.255 10.8.0.5 10.8.0.6 30 10.8.0.4 255.255.255.252 On-link 10.8.0.6 286 10.8.0.6 255.255.255.255 On-link 10.8.0.6 286 10.8.0.7 255.255.255.255 On-link 10.8.0.6 286 **.**.***.** 255.255.255.255 192.168.1.254 192.168.1.101 25 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 128.0.0.0 128.0.0.0 10.8.0.5 10.8.0.6 30 192.168.1.0 255.255.255.0 On-link 192.168.1.101 281 192.168.1.101 255.255.255.255 On-link 192.168.1.101 281 192.168.1.255 255.255.255.255 On-link 192.168.1.101 281 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 192.168.1.101 281 224.0.0.0 240.0.0.0 On-link 10.8.0.6 286 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 192.168.1.101 281 255.255.255.255 255.255.255.255 On-link 10.8.0.6 286 =========================================================================== Server conf:- port 1194 proto udp dev tun ca ca.crt cert myservername.crt key myservername.key dh dh1024.pem server 10.8.0.0 255.255.255.0 ifconfig-pool-persist ipp.txt duplicate-cn keepalive 10 120 comp-lzo persist-key persist-tun status openvpn-status.log verb 3 push "redirect-gateway def1" Client conf:- client dev tun proto udp remote 89.32.148.35 1194 resolv-retry infinite nobind persist-key persist-tun mute-replay-warnings ca ca.crt cert client1.crt key client1.key verb 3 comp-lzo redirect-gateway def1 Here is the log file:- Tue Dec 18 16:34:27 2012 OpenVPN 2.2.2 Win32-MSVC++ [SSL] [LZO2] [PKCS11] built on Dec 15 2011 Tue Dec 18 16:34:27 2012 WARNING: No server certificate verification method has been enabled. See http://openvpn.net/howto.html#mitm for more info. Tue Dec 18 16:34:27 2012 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables Tue Dec 18 16:34:27 2012 LZO compression initialized Tue Dec 18 16:34:27 2012 Control Channel MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ] Tue Dec 18 16:34:27 2012 Socket Buffers: R=[65536-65536] S=[65536-65536] Tue Dec 18 16:34:27 2012 Data Channel MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ] Tue Dec 18 16:34:27 2012 Local Options hash (VER=V4): '41690919' Tue Dec 18 16:34:27 2012 Expected Remote Options hash (VER=V4): '530fdded' Tue Dec 18 16:34:27 2012 UDPv4 link local: [undef] Tue Dec 18 16:34:27 2012 UDPv4 link remote: ..*.:1194 Tue Dec 18 16:34:27 2012 TLS: Initial packet from ..*.:1194, sid=4d1496ad 2079a5fa Tue Dec 18 16:34:28 2012 VERIFY OK: depth=1, /C=/ST=/L=/O=/OU=/CN=/name=/emailAddress= Tue Dec 18 16:34:28 2012 VERIFY OK: depth=0, /C=/ST=/L=/O=/OU=/CN=/name=/emailAddress= Tue Dec 18 16:34:29 2012 Data Channel Encrypt: Cipher 'BF-CBC' initialized with 128 bit key Tue Dec 18 16:34:29 2012 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Tue Dec 18 16:34:29 2012 Data Channel Decrypt: Cipher 'BF-CBC' initialized with 128 bit key Tue Dec 18 16:34:29 2012 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Tue Dec 18 16:34:29 2012 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 1024 bit RSA Tue Dec 18 16:34:29 2012 [myservername] Peer Connection Initiated with ..*.:1194 Tue Dec 18 16:34:32 2012 SENT CONTROL [myservername]: 'PUSH_REQUEST' (status=1) Tue Dec 18 16:34:32 2012 PUSH: Received control message: 'PUSH_REPLY,redirect-gateway def1,route 10.8.0.1,topology net30,ping 10,ping-restart 120,ifconfig 10.8.0.6 10.8.0.5' Tue Dec 18 16:34:32 2012 OPTIONS IMPORT: timers and/or timeouts modified Tue Dec 18 16:34:32 2012 OPTIONS IMPORT: --ifconfig/up options modified Tue Dec 18 16:34:32 2012 OPTIONS IMPORT: route options modified Tue Dec 18 16:34:32 2012 ROUTE default_gateway=192.168.1.254 Tue Dec 18 16:34:32 2012 TAP-WIN32 device [Local Area Connection] opened: \.\Global{F0CFEBBF-9B1B-4CFB-8A82-027330974C30}.tap Tue Dec 18 16:34:32 2012 TAP-Win32 Driver Version 9.9 Tue Dec 18 16:34:32 2012 TAP-Win32 MTU=1500 Tue Dec 18 16:34:32 2012 Notified TAP-Win32 driver to set a DHCP IP/netmask of 10.8.0.6/255.255.255.252 on interface {F0CFEBBF-9B1B-4CFB-8A82-027330974C30} [DHCP-serv: 10.8.0.5, lease-time: 31536000] Tue Dec 18 16:34:32 2012 Successful ARP Flush on interface [26] {F0CFEBBF-9B1B-4CFB-8A82-027330974C30} Tue Dec 18 16:34:37 2012 TEST ROUTES: 2/2 succeeded len=1 ret=1 a=0 u/d=up Tue Dec 18 16:34:37 2012 C:\WINDOWS\system32\route.exe ADD ..*. MASK 255.255.255.255 192.168.1.254 Tue Dec 18 16:34:37 2012 ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=25 and dwForwardType=4 Tue Dec 18 16:34:37 2012 Route addition via IPAPI succeeded [adaptive] Tue Dec 18 16:34:37 2012 C:\WINDOWS\system32\route.exe ADD 0.0.0.0 MASK 128.0.0.0 10.8.0.5 Tue Dec 18 16:34:37 2012 ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=30 and dwForwardType=4 Tue Dec 18 16:34:37 2012 Route addition via IPAPI succeeded [adaptive] Tue Dec 18 16:34:37 2012 C:\WINDOWS\system32\route.exe ADD 128.0.0.0 MASK 128.0.0.0 10.8.0.5 Tue Dec 18 16:34:37 2012 ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=30 and dwForwardType=4 Tue Dec 18 16:34:37 2012 Route addition via IPAPI succeeded [adaptive] Tue Dec 18 16:34:37 2012 C:\WINDOWS\system32\route.exe ADD 10.8.0.1 MASK 255.255.255.255 10.8.0.5 Tue Dec 18 16:34:37 2012 ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=30 and dwForwardType=4 Tue Dec 18 16:34:37 2012 Route addition via IPAPI succeeded [adaptive] Tue Dec 18 16:34:37 2012 Initialization Sequence Completed

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• Tomcat 7 on Ubuntu 12.04 with JRE 7 not starting

  - by Andreas Krueger

  I am running a virtual server in the web on Ubuntu 12.04 LTS / 32 Bit. After a clean install of JRE 7 and Tomcat 7, following the instructions on http://www.sysadminslife.com, I don't get Tomcat 7 up and running. > java -version java version "1.7.0_09" Java(TM) SE Runtime Environment (build 1.7.0_09-b05) Java HotSpot(TM) Client VM (build 23.5-b02, mixed mode) > /etc/init.d/tomcat start Starting Tomcat Using CATALINA_BASE: /usr/local/tomcat Using CATALINA_HOME: /usr/local/tomcat Using CATALINA_TMPDIR: /usr/local/tomcat/temp Using JRE_HOME: /usr/lib/jvm/java-7-oracle Using CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar > telnet localhost 8080 Trying ::1... Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection refused netstat sometimes shows a Java process, most of the times not. If it does, nothing works either. Does anyone have a solution or encountered similar situations? Here are the contents of catalina.out: 16.11.2012 18:36:39 org.apache.catalina.core.AprLifecycleListener init INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/lib/jvm/java-6-oracle/lib/i386/client:/usr/lib/jvm/java-6-oracle/lib/i386:/usr/lib/jvm/java-6-oracle/../lib/i386:/usr/java/packages/lib/i386:/lib:/usr/lib 16.11.2012 18:36:40 org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["http-bio-8080"] 16.11.2012 18:36:40 org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["ajp-bio-8009"] 16.11.2012 18:36:40 org.apache.catalina.startup.Catalina load INFO: Initialization processed in 1509 ms 16.11.2012 18:36:40 org.apache.catalina.core.StandardService startInternal INFO: Starting service Catalina 16.11.2012 18:36:40 org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet Engine: Apache Tomcat/7.0.29 16.11.2012 18:36:40 org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory /usr/local/tomcat/webapps/manager Here come the results of ps -ef, iptables --list and netstat -plut: > ps -ef UID PID PPID C STIME TTY TIME CMD root 1 0 0 Nov16 ? 00:00:00 init root 2 1 0 Nov16 ? 00:00:00 [kthreadd/206616] root 3 2 0 Nov16 ? 00:00:00 [khelper/2066167] root 4 2 0 Nov16 ? 00:00:00 [rpciod/2066167/] root 5 2 0 Nov16 ? 00:00:00 [rpciod/2066167/] root 6 2 0 Nov16 ? 00:00:00 [rpciod/2066167/] root 7 2 0 Nov16 ? 00:00:00 [rpciod/2066167/] root 8 2 0 Nov16 ? 00:00:00 [nfsiod/2066167] root 119 1 0 Nov16 ? 00:00:00 upstart-udev-bridge --daemon root 125 1 0 Nov16 ? 00:00:00 /sbin/udevd --daemon root 157 125 0 Nov16 ? 00:00:00 /sbin/udevd --daemon root 158 125 0 Nov16 ? 00:00:00 /sbin/udevd --daemon root 205 1 0 Nov16 ? 00:00:00 upstart-socket-bridge --daemon root 276 1 0 Nov16 ? 00:00:00 /usr/sbin/sshd -D root 335 1 0 Nov16 ? 00:00:00 /usr/sbin/xinetd -dontfork -pidfile /var/run/xinetd.pid -stayalive -inetd root 348 1 0 Nov16 ? 00:00:00 cron syslog 368 1 0 Nov16 ? 00:00:00 /sbin/syslogd -u syslog root 472 1 0 Nov16 ? 00:00:00 /usr/lib/postfix/master postfix 482 472 0 Nov16 ? 00:00:00 qmgr -l -t fifo -u root 520 1 0 Nov16 ? 00:00:04 /usr/sbin/apache2 -k start www-data 523 520 0 Nov16 ? 00:00:00 /usr/sbin/apache2 -k start www-data 525 520 0 Nov16 ? 00:00:00 /usr/sbin/apache2 -k start www-data 526 520 0 Nov16 ? 00:00:00 /usr/sbin/apache2 -k start tomcat 1074 1 0 Nov16 ? 00:01:08 /usr/lib/jvm/java-6-oracle/bin/java -Djava.util.logging.config.file=/usr/ postfix 1351 472 0 Nov16 ? 00:00:00 tlsmgr -l -t unix -u -c postfix 3413 472 0 17:00 ? 00:00:00 pickup -l -t fifo -u -c root 3457 276 0 17:31 ? 00:00:00 sshd: root@pts/0 root 3459 3457 0 17:31 pts/0 00:00:00 -bash root 3470 3459 0 17:31 pts/0 00:00:00 ps -ef > iptables --list Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:http-alt ACCEPT tcp -- anywhere anywhere tcp dpt:8005 ACCEPT tcp -- anywhere anywhere tcp dpt:http-alt Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination > netstat -plut Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 *:smtp *:* LISTEN 472/master tcp 0 0 *:3213 *:* LISTEN 276/sshd tcp6 0 0 [::]:smtp [::]:* LISTEN 472/master tcp6 0 0 [::]:8009 [::]:* LISTEN 1074/java tcp6 0 0 [::]:3213 [::]:* LISTEN 276/sshd tcp6 0 0 [::]:http-alt [::]:* LISTEN 1074/java tcp6 0 0 [::]:http [::]:* LISTEN 520/apache2

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• Mac won't boot into safe mode

  - by Stephen

  Mac boots fine normally, except when in safe mode. Holding down shift when booting gets me to the progress bar on the grey screen. Progress bar gets about half way before mac reboots. I modified nvram boot-args to get a better look: sudo nvram boot-args="-x -v" It definitely gets through fsck, skips loading kernel extensions (since it's in safe mode), does something with the network interfaces, then this is the last thing it wips through... Aug 22 11:56:21 Crockpot com.apple.SecurityServer[15]: Succeeded authorizing right 'com.apple.ServiceManagement.daemons.modify' by client '/usr/libexec/UserEventAgent' [10] for authorization created by '/usr/libexec/UserEventAgent' [10] (100012,0) Aug 22 11:56:22 Crockpot fseventsd[37]: event logs in /.fseventsd out of sync with volume. destroying old logs. (1 174 330) Aug 22 11:56:22 Crockpot fseventsd[37]: log dir: /.fseventsd getting new uuid: 5C379650-26FA-428F-B81F-4FE4349D50B3 Aug 22 11:56:23 Crockpot mDNSResponder[39]: mDNSResponder mDNSResponder-379.27 (Jun 20 2012 15:40:55) starting OSXVers 12 Aug 22 11:56:23 Crockpot systemkeychain[35]: done file: /var/run/systemkeychaincheck.done Aug 22 11:56:23 Crockpot configd[17]: network changed: DNS* Aug 22 11:56:24 --- last message repeated 1 time --- Aug 22 11:56:24 Crockpot mDNSResponder[39]: D2D_IPC: Loaded Aug 22 11:56:24 Crockpot mDNSResponder[39]: D2DInitialize succeeded Aug 22 11:56:24 Crockpot mDNSResponder[39]: Adding registration domain 273025955.members.btmm.icloud.com. Aug 22 11:56:24 Crockpot kernel[0]: MacAuthEvent en1 Auth result for: 00:23:69:35:dc:fe MAC AUTH succeeded Aug 22 11:56:24 Crockpot kernel[0]: MacAuthEvent en1 Auth result for: 00:23:69:35:dc:fe Unsolicited Auth Aug 22 11:56:24 Crockpot kernel[0]: wlEvent: en1 en1 Link UP virtIf = 0 Aug 22 11:56:24 Crockpot kernel[0]: AirPort: Link Up on en1 Aug 22 11:56:24 Crockpot kernel[0]: en1: BSSID changed to 00:23:69:35:dc:fe Aug 22 11:56:24 Crockpot kernel[0]: en1::IO80211Interface::postMessage bssid changed Aug 22 11:56:24 Crockpot kernel[0]: AirPort: RSN handshake complete on en1 Aug 22 11:56:25 Crockpot cfprefsd[19]: CFPreferences failed to read preferences data. Errno was 21 Aug 22 11:56:25 --- last message repeated 1 time --- Aug 22 11:56:25 Crockpot airportd[30]: _doAutoJoin: Already associated to “burnum”. Bailing on auto-join. Aug 22 11:56:25 Crockpot com.apple.kextd[11]: Can't load IOBluetoothSerialManager.kext - ineligible during safe boot. Aug 22 11:56:25 Crockpot com.apple.kextd[11]: Load com.apple.iokit.IOBluetoothSerialManager failed; removing personalities from kernel. Aug 22 11:56:25 Crockpot cfprefsd[19]: CFPreferences: error renaming file blued.plist.HXuEmQn to blued.plist. Aug 22 11:56:27 Crockpot awacsd[52]: Starting awacsd connectivity-77 (Jun 20 2012 15:40:49) Aug 22 11:56:27 Crockpot com.apple.SecurityServer[15]: Succeeded authorizing right 'system.services.systemconfiguration.network' by client '/System/Library/Frameworks/SystemConfiguration.framework/Versions/A/Resources/SCHelper' [54] for authorization created by '/usr/sbin/awacsd' [52] (100003,0) Aug 22 11:56:27 --- last message repeated 1 time --- Aug 22 11:56:27 Crockpot awacsd[52]: Configuring lazy AWACS client: 273025955.p04.members.btmm.icloud.com. Aug 22 11:56:28 Crockpot apsd[55]: CGSLookupServerRootPort: Failed to look up the port for "com.apple.windowserver.active" (1102) Aug 22 11:56:32 --- last message repeated 1 time --- Aug 22 11:56:32 Crockpot awacsd[52]: KV HTTP 0 Aug 22 11:56:38 --- last message repeated 1 time --- Aug 22 11:56:38 Crockpot apsd[55]: CGSLookupServerRootPort: Failed to look up the port for "com.apple.windowserver.active" (1102) Aug 22 11:56:47 Crockpot awacsd[52]: KV HTTP 0 Aug 22 11:56:49 Crockpot configd[17]: subnet_route: write routing socket failed, Network is unreachable Aug 22 11:56:51 Crockpot configd[17]: network changed: v4(en1+:169.254.80.161) DNS* Proxy+ SMB Aug 22 11:56:51 Crockpot UserEventAgent[10]: Captive: en1: Not probing 'burnum' (protected network) Aug 22 11:56:51 Crockpot configd[17]: network changed: v4(en1:169.254.80.161) DNS Proxy SMB Aug 22 11:57:07 Crockpot awacsd[52]: KV HTTP 0 Aug 22 11:57:23 Crockpot fseventsd[37]: Logging disabled completely for device:1: /Volumes/Recovery HD Aug 22 11:57:25 Crockpot kernel[0]: Kext loading now disabled. Aug 22 11:57:25 Crockpot kernel[0]: Kext unloading now disabled. Aug 22 11:57:25 Crockpot mDNSResponder[39]: mDNSResponder mDNSResponder-379.27 (Jun 20 2012 15:40:55) stopping Aug 22 11:57:25 Crockpot com.apple.SecurityServer[15]: Killing auth hosts Aug 22 11:57:25 Crockpot UserEventAgent[10]: dnssd_clientstub DNSServiceProcessResult called with DNSServiceRef with no ProcessReply function Aug 22 11:57:25 Crockpot configd[17]: dnssd_clientstub read_all(26) failed 0/28 0 Aug 22 11:57:25 Crockpot configd[17]: [0x7fb025119ff0] SCNetworkReachability _llq_callback w/error=-65563 Aug 22 11:57:25 Crockpot UserEventAgent[10]: dnssd_clientstub DNSServiceProcessResult called with DNSServiceRef with no ProcessReply function Aug 22 11:57:25 Crockpot mDNSResponder[39]: D2D_IPC: Terminated Aug 22 11:57:25 Crockpot mDNSResponder[39]: D2DTerminate succeeded Aug 22 11:57:25 Crockpot awacsd[52]: dnssd_clientstub read_all(4) failed 0/28 0 Aug 22 11:57:25 Crockpot UserEventAgent[10]: dnssd_clientstub DNSServiceProcessResult called with DNSServiceRef with no ProcessReply function Aug 22 11:57:25 --- last message repeated 2 times --- Aug 22 11:57:25 Crockpot apsd[55]: dnssd_clientstub read_all(4) failed 0/28 0 Aug 22 11:57:25 Crockpot configd[17]: SCNC: stop, triggered by configd, type PPPSerial, reason Terminated All Aug 22 11:57:25 Crockpot configd[17]: _d2dCallback: D2D connection to mDNSResponder lost Aug 22 11:57:25 Crockpot UserEventAgent[10]: dnssd_clientstub DNSServiceProcessResult called with DNSServiceRef with no ProcessReply function Aug 22 11:57:25 --- last message repeated 4 times --- Aug 22 11:57:25 Crockpot kernel[0]: Kext autounloading now disabled. Aug 22 11:57:25 Crockpot kernel[0]: Kernel requests now disabled. ... before rebooting in the middle of the safe mode startup sequence. Aug 22 12:01:10 localhost bootlog[0]: BOOT_TIME 1345662070 0 Aug 22 12:01:32 localhost kernel[0]: PMAP: PCID enabled Aug 22 12:01:32 localhost kernel[0]: Darwin Kernel Version 12.0.0: Sun Jun 24 23:00:16 PDT 2012; root:xnu-2050.7.9~1/RELEASE_X86_64 Any ideas what's causing the safe mode boot to fail? System Info MacBook Pro 8,2 2.2 Ghz Core i7 4 GM Ram Mountain Lion 10.8 500GB TOSHIBA MK5065GSXF Serial-ATA rotational disk

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• Windows 7 cannot join samba domain

  - by Antonis Christofides

  I have a 3.5.6 samba server with a LDAP backend (both on Debian 6.0). I've been successfully adding Windows XP machines to the domain for years. I now try to add Windows 7. I have made the recommended registry changes, but I don't have any success so far. Here is what happens: 1. I go to computer name, select "Domain" instead of "Workgroup", type in the domain name, click OK. It asks me for the username and password of an account that can add computers to the domain; I enter them. After about 40 seconds, I get the following message: The following error occurred attempting to join the domain "ITIA": The specified computer account could not be found. Contact an administrator to verify the account is in the domain. If the account has been deleted unjoin, reboot, and rejoin the domain. Despite this, the samba server successfully creates the computer account. 2. Therefore, if I try again a second time, without deleting the already created computer account, I get a different error: The following error occurred attempting to join the domain "ITIA": The specified account already exists. (Note that until a while ago samba wasn't configured to automatically create computer accounts. What I did whenever I wanted an XP to join was to manually create it. When I first attempted to solve the Windows 7 join problem, I setup samba to do this automatically, as this is what most people do, as I understand, and I thought that it might be related. I haven't attempted to add an XP since I made this change, so I don't know if it works, but whether it works or not, the problem remains.) Update 1: Here are the relevant parts of smb.conf: [global] panic action = /usr/share/samba/panic-action %d workgroup = ITIA server string = Itia file server announce as = NT interfaces = 147.102.160.1 volume = %h passdb backend = ldapsam:ldap://ldap.itia.ntua.gr:389 ldap admin dn = uid=samba,ou=daemons,dc=itia,dc=ntua,dc=gr ldap ssl = off ldap suffix = dc=itia,dc=ntua,dc=gr ldap user suffix = ou=people ldap group suffix = ou=groups ldap machine suffix = ou=computers unix password sync = no add machine script = smbldap-useradd -w -i %u log file = /var/log/samba/samba-log.all log level = 3 max log size = 5000 syslog = 2 socket options = SO_KEEPALIVE TCP_NODELAY encrypt passwords = true password level = 1 security = user domain master = yes local master = no wins support = yes domain logons = yes idmap gid = 1000-2000 Update 2: The server has a single network interface eth1 (also an unused eth0 that shows up only in the kernel boot messages) and two ip addresses; the main, 147.102.160.1, and an additional one, 147.102.160.37, that comes up with "ip addr add 147.102.160.37/32 dev eth1" (used only for a web site that has a different certificate than other web sites served from the same machine). One of the problems I recently faced was that samba was using the latter IP address. I fixed that by adding the "interfaces = 147.102.160.1" statement in smb.conf. Now: acheloos:/etc/apache2# tcpdump host 147.102.160.40 and not port 5900 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth1, link-type EN10MB (Ethernet), capture size 65535 bytes 13:13:56.549048 IP lithaios.itia.civil.ntua.gr.netbios-dgm > 147.102.160.255.netbios-dgm: NBT UDP PACKET(138) 13:13:56.549056 ARP, Request who-has acheloos2.itia.civil.ntua.gr tell lithaios.itia.civil.ntua.gr, length 46 13:13:56.549091 ARP, Reply acheloos2.itia.civil.ntua.gr is-at 00:10:4b:b4:9e:59 (oui Unknown), length 28 13:13:56.549324 IP acheloos.itia.civil.ntua.gr.netbios-dgm > lithaios.itia.civil.ntua.gr.netbios-dgm: NBT UDP PACKET(138) 13:13:56.549608 IP lithaios.itia.civil.ntua.gr.netbios-dgm > acheloos2.itia.civil.ntua.gr.netbios-dgm: NBT UDP PACKET(138) 13:13:56.549741 IP acheloos.itia.civil.ntua.gr.netbios-dgm > lithaios.itia.civil.ntua.gr.netbios-dgm: NBT UDP PACKET(138) 13:13:56.550364 IP lithaios.itia.civil.ntua.gr.netbios-dgm > acheloos.itia.civil.ntua.gr.netbios-dgm: NBT UDP PACKET(138) 13:13:56.550468 IP acheloos.itia.civil.ntua.gr.netbios-dgm > lithaios.itia.civil.ntua.gr.netbios-dgm: NBT UDP PACKET(138) (acheloos2 is the second IP address, 147.102.160.37). The above dump occurs when I click "OK" (to join the domain), until it asks me for the username and password of a user that can join the domain. I don't know why the client is contacting the second IP address. I tried temporarily deactivating it, but I still had some related ARP traffic (though I think not IP traffic).

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• Build and migrated to software raid (mdadm) on GPT disk, now can't assemble array

  - by John H

  mdadm, gpt issues, unrecognized partitions. Simplified question: How do I get mdadm to recognize GPT partitions? I have been attempting to convert/copy my Ubuntu 11.10 OS from a single drive to software raid 1. I have done similar in the past, but in this case, I was adding in a drive that has been configured for GPT and I tried to work with that without fully looking into the implications. Currently, I have a non-booting mdadm RAID 1 array of /dev/md127 (the OS assigned that and it keeps picking up). I am booting off of live USB keys, currently System Rescue CD from sysresccd. While gdisk and parted can see all the partitions, most of the OS utilities do not, including mdadm. My main goal is just to make the raid array accessible so I can get pull the data and start fresh (without using GPT). /dev/md127 /dev/sda /dev/sda1 <- GPT type partition /dev/sda1 <- exists within the GPT part, member of md127 /dev/sda2 <- exists within the GPT part, empty /dev/sdb /dev/sdb1 <- GPT type partition /dev/sdb1 <- exists within the GPT part, member of md127 History: POINT A: The original OS was install on sda (actually /dev/sda6). I used a the Ubuntu live usb to add sdb. I got warning from fdisk about GPT so I used gdisk to create a raid partition (sdb1) and mdadm to create a raid1 mirror with a missing drive. I had many issues getting this working (including being unable to get grub to install) but I eventually got it to boot using grub on sda and /dev/md127 off of sdb. So at point A, I had copied my OS from sda6 to md127 on sdb. I then booted into a rescue mode and attempted to get a bootloader onto sdb, which failed. I then discovered my mistake: I had installed the raid onto sdb instead of sdb1, essentially overwriting the sdb1 partition. POINT B: I now had two copies of my data- one on md127/sdb, and one on sda. I destroyed data on sda and created a new GPT table on sda. I then created sda1 for the raid array, and sda2 for a scratch partition. I added sda1 into the raid array and let it rebuild. md127 now covered /dev/sdb and /dev/sda1 as fully active and synced. POINT C: I rebooted onto linux rescue again and was still able to access the raid array. I then removed /dev/sdb from the array and created /dev/sdb1 for the raid. I added sdb1 to the array and let it sync. I was able to mount and access /dev/md127 without issues. Once it completed, both /dev/sda1 and /dev/sdb1 were GPT partitions and actively syncing. POINT D (current): I rebooted again to test if the array would boot and grub failed to load. I booted off of my live thumb drive and found that I can no longer assemble the raid array. mdadm doesn't see the required partitions. -- root@freshdesk /root % uname -a Linux freshdesk 3.0.24-std251-amd64 #2 SMP Sat Mar 17 12:08:55 UTC 2012 x86_64 AMD Athlon(tm) II X4 645 Processor AuthenticAMD GNU/Linux === /proc/partitions and parted look good: root@freshdesk /root % cat /proc/partitions major minor #blocks name 7 0 301788 loop0 8 0 976762584 sda 8 1 732579840 sda1 8 2 244181703 sda2 8 16 732574584 sdb 8 17 732573543 sdb1 8 32 7876607 sdc 8 33 7873349 sdc1 (parted) print all Model: ATA ST31000528AS (scsi) Disk /dev/sda: 1000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 750GB 750GB ext4 2 750GB 1000GB 250GB Linux/Windows data Model: ATA SAMSUNG HD753LJ (scsi) Disk /dev/sdb: 750GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 750GB 750GB ext4 Linux RAID raid Model: SanDisk SanDisk Cruzer (scsi) Disk /dev/sdc: 8066MB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 31.7kB 8062MB 8062MB primary fat32 boot, lba === # no sda2, and I double the sdb1 is the one shown in parted root@freshdesk /root % blkid /dev/loop0: TYPE="squashfs" /dev/sda1: UUID="75dd6c2d-f0a8-4302-9da4-792cc7d72355" TYPE="ext4" /dev/sdc1: LABEL="PENDRIVE" UUID="1102-3720" TYPE="vfat" /dev/sdb1: UUID="2dd89f15-65bb-ff88-e368-bf24bd0fce41" TYPE="linux_raid_member" root@freshdesk /root % mdadm -E /dev/sda1 mdadm: No md superblock detected on /dev/sda1. # this is probably a result of me attempting to force the array up, putting superblocks on the GPT partition root@freshdesk /root % mdadm -E /dev/sdb1 /dev/sdb1: Magic : a92b4efc Version : 0.90.00 UUID : 2dd89f15:65bbff88:e368bf24:bd0fce41 Creation Time : Fri Mar 30 19:25:30 2012 Raid Level : raid1 Used Dev Size : 732568320 (698.63 GiB 750.15 GB) Array Size : 732568320 (698.63 GiB 750.15 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 127 Update Time : Sat Mar 31 12:39:38 2012 State : clean Active Devices : 1 Working Devices : 2 Failed Devices : 1 Spare Devices : 1 Checksum : a7d038b3 - correct Events : 20195 Number Major Minor RaidDevice State this 2 8 17 2 spare /dev/sdb1 0 0 8 1 0 active sync /dev/sda1 1 1 0 0 1 faulty removed 2 2 8 17 2 spare /dev/sdb1 === root@freshdesk /root % mdadm -A /dev/md127 /dev/sda1 /dev/sdb1 mdadm: no recogniseable superblock on /dev/sda1 mdadm: /dev/sda1 has no superblock - assembly aborted root@freshdesk /root % mdadm -A /dev/md127 /dev/sdb1 mdadm: cannot open device /dev/sdb1: Device or resource busy mdadm: /dev/sdb1 has no superblock - assembly aborted

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• OS Missing? Messed up the MBR on Win7 64-bit

  - by hom3lesshom3boy

  I have a Windows 7 machine with two hard drives: a 1TB C: drive and 500GB J:. I had Windows XP installed on C: and Windows 7 installed on J:. I installed Windows 7 after Windows XP from an installer .exe I (legally) bought and downloaded. It, and all of my other files, are sitting on my J: drive intact. While under my Windows 7 install, a few days ago I decided to use Priform's CCleaner and use its DriveWipe utility to wipe the C: drive. 1% into the process, I cancelled and attempted to use it again. It gives me an error saying it can't format the drive, so I poke around the Internet a bit, give up, and restart my computer. I first get an "OS is missing" error after the computer boots past the BIOS. I downloaded and put UBCD on a bootable USB to use another drivewiping tool to completely erase the C: drive, hoping it'll take the problem with it. No luck. I try to use TestDisk to make my J: my primary active drive, but no luck. I still get the "OS is missing" error. Or sometimes it'll hang at Verifying DMI Pool. Or sometimes I'll get the "NTLDR is missing" error. I get hold of Hiren's and put it on another bootable USB. I first I tried the Boot Windows 7 from Hard Drive option, and I get "Error 15: File Not Found". I tried the "Fix 'NTLDR is Missing'" option (I'm not quite sure why this is even showing up, since I'm trying to get into a HDD with Windows 7 installed. Probably messed up somewhere when I used TestDisk) and I get this list: I'll run through the error messages I get: 1st Try - Windows could not start because the following file is missing or corrupt: \system32\hal.dll 2nd Try - Windows could not start because the following file is missing or corrupt: \system32\ntoskrnl.exe 3rd Try - Windows could not start because of a computer disk hardware configuration problem. Could not read from the selected boot disk. Check boot path and disk hardware. 4th - 8th Try - Same as #3 9th Try - I/O Error accessing boot sector file multi(0)disk(0)fdisk(0)\BOOTSEC.DOS. And computer freezes. 10th Try - computer restarts Needless to say, not a single one of those works. I then tried to open up the Windows 7 exe I have sitting on my J: from the Mini-XP OS on Hiren's, but it won't run because I'm trying to run a 64-bit file from a 32-bit exe. At least, that's the problem according to these guys: http://social.technet.microsoft.com/...-b2f54e9c7d18/ I then borrowed a 64-bit Windows Home Premium CD from a friend to get to the recovery options. But I get the error message: This version of System Recovery Options is not compatible with the version of Windows you are trying to repair. Try using a recovery disc that is compatible with this version of Windows. I pressed Shift + F10 to get to the Command Prompt directly. These are the exact steps I took from there (paraphrased a little): X:\Sources>bootrec /Fixmbr The operation completed successfully. X:\Sources>bootrec /Fixboot The operation completed successfully. I restarted my computer, but it still didn't work. I unplugged the C: drive, then tried bootrec and Diskpart: X:\Sources> bootrec.exe X:\Sources> bootrec /RebuildBcd Total identified Windows installations: 1 [1] \\?\GLOBALROOT\Device\HarddiskVolume1\Windows Add installation to bootlist? Yes(Y)/No(N)/All(A):y The requested system device cannot be found. X:\Sources>DiskPart DISKPART> List Disk Disk # Status Size Free Dyn Gpt Disk 0_Online_465GB_0B_______* Disk 1 Online 1000MB 0B (this is Hiren's on a bootable usb) DISKPART> Select Disk 0 Disk 0 is now the selected disk. DISKPART> List Partition Partition # Type Size Offset Partition 1 System 465GB 31KB DISKPART> Select Partition 1 Partition 1 is now the selected partition DISKPART> Active The selected disk is not a fixed MBR disk. The ACTIVE command can only be used on fixed MBR disks. DISKPART> exit Leaving Diskpart... X:\Sources>bootrec /Fixmbr The operation completed successfully. X:\Sources>bootrec /Fixboot The operation completed successfully. Before I go any further, is there anything I'm overlooking/doing wrong? All I care about is making the J: and Windows 7 bootable again. SPECS: Windows 7 Professional 64-Bit GIGABYTE - Motherboard - Socket 775 - GA-P35-DS3R (rev. 2.1) Crucial Ballistix 2048MB PC6400 DDR2 800MHz (2x2GB) Intel Core 2 Duo E6700 Processor (2.6 (6GHZ) I think... not sure anymore C: HDD - SAMSUNG HD103UJ (1TB, not plugged in) J: HDD - WDC WD5000AKS-00V1A0 (500GB)

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• nginx returning authentication in IE

  - by James MacLeod

  I am having a few issues with an nginx server. I have a site setup that keeps requesting authentication when accessed from IE but in firefox and safari the site is fine no request for authentication. Reading around the web I can see that it could be the gzip that may be causing errors, but the other sites are working without issue. Here is the config: user sysadmin sysadmin; worker_processes 8; error_log logs/error.log debug; events { worker_connections 1024; } http { passenger_root /usr/lib/ruby/gems/1.8/gems/passenger-2.2.9; passenger_ruby /usr/bin/ruby1.8; include mime.types; default_type application/octet-stream; client_header_timeout 3m; client_body_timeout 3m; client_max_body_size 5m; send_timeout 3m; client_header_buffer_size 1k; large_client_header_buffers 4 4k; gzip on; gzip_min_length 1100; gzip_buffers 4 8k; gzip_types text/plain; output_buffers 1 32k; postpone_output 1460; sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 75 20; server { listen 80; server_name .reg-power.com .reg-power.co.uk .reg-power.eu .reg-power.eu.com .reg-power.net .reg-power.org .reg-power.org.uk .reg-power.uk.com .regegen.eu .regpower.co.uk .regpower.eu .regpower.eu.com .regpower.net .regpower.org .regpower.org.uk .regpower.uk.com .renegen.com .renegen.eu .renewableenergygeneration.co.uk .renewableenergygeneration.com reg.rails1.flowhost.co.uk; root /home/sysadmin/reg/current/public; passenger_enabled on; rails_env production; index index.html; } server { listen 80; server_name media.reg-power.com; root /home/sysadmin/admin/current/public; index index.html; } server { listen 80; server_name admin.reg-power.com admin.rails1.flowhost.co.uk; root /home/sysadmin/admin/current/public; passenger_enabled on; rails_env production; index index.html; } server { listen 80; server_name .livingfuels.co.uk livingfuels.rails1.flowhost.co.uk; root /home/sysadmin/livingfuels/current/public; passenger_enabled on; rails_env production; index index.html; } server { listen 80; server_name .regbiopower.com .regbiopower.co.uk regbiopower.rails1.flowhost.co.uk; root /home/sysadmin/regbiopower/current/public; passenger_enabled on; rails_env production; index index.html; } server { listen 80; server_name .clpwindprojects.co.uk clp.rails1.flowhost.co.uk; access_log /home/sysadmin/clp/logs/access.log; location / { root /home/sysadmin/clp; index index.php; if (-f $request_filename) { expires 30d; break; } if (!-e $request_filename) { rewrite ^(.+)$ /index.php?q=$1 last; } } location ~ .php$ { fastcgi_pass 127.0.0.1:49232; #this must point to the socket spawn_fcgi is running on. fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /home/sysadmin/clp$fastcgi_script_name; # same path as above fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT /home/sysadmin/clp; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param GATEWAY_INTERFACE CGI/1.1; fastcgi_param SERVER_SOFTWARE nginx/$nginx_version; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; } } } As you can see there is no reference to a http authentication

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• Windows 8, NVIDIA graphics recognition fails

  - by Roy Grubb

  I just installed Windows 8 Pro OEM 64-bit (clean install) and it won't properly recognize my graphics adapter. When I installed Win8, it automatically installed the BasicDisplay.sys driver dated 6/21/2006. 6.2.9200.16384 (win8_rtm.120725-1247). Hardware - Mobo:MSi G41M-P33 Combo CPU:Intel CoreDuo 6600 Graphics:NVIDIA GeForce 9400GT *OS* - Windows 8 Pro 64-bit OEM The graphics adapter worked fine in Windows XP. The PC is a generic box, bought locally and its mobo failed recently, so I replaced it with the G41M. Microsoft wouldn't let me re-activate Windows XP with a different mobo, so I installed Win8, which appears to work except as described next. Win8 only partially recognizes the graphics adapter and won't allow NVIDIA latest driver installer to see that it's an NVIDIA card. As a result, OpenGL doesn't work, and this is needed by the software I most use. Other than that the graphics look OK. When I say 'partially recognizes', I mean that via the Control Panel, I can see that the adapter is described as NVIDIA, but the driver remains stuck at Microsoft Basic Display Adapter no matter what I try, including "Update driver..." in adapter properties. Display Screen Resolution Advanced Settings Adapter shows: Adapter Type: Microsoft Basic Display Adapter Chip Type: NVIDIA DAC Type: NVIDIA Corporation Bios Information: G27 Board - p381n17 Don't know what this means ... no mention of 9400GT Total Available Graphics Memory: 256 MB Dedicated Video Memory: 0 MB In fact the adapter has 512MB on-board video memory. System Video Memory: 0 MB Shared System Memory: 256 MB And Control Panel Device Manager Display adapters just shows Microsoft Basic Display Adapter. No other graphics adapter, and no unknown device or yellow question mark. What I have tried so far: 1. Cleared CMOS and reset. Updated BIOS and all mobo drivers as follows: 1st I used Driver Reviver to see if any driver updates were required. It found some but I didn't use that to get the drivers. Then I switched to MSi's own mobo driver utility Live Update 5. This also showed the board needed to update several so I used it to fetch the new drivers. After that it showed that everything was up to date and I checked with Driver Reviver again, which also reported no drivers now needed updating. Rebooted. Went to the NVIDIA site to get the latest graphics adapter driver. Their auto-detect "Option 2: Automatically find drivers for my NVIDIA products" said "The NVIDIA Smart Scan was unable to evaluate your system hardware. Please use Option 1 to manually find drivers for your NVIDIA products." So I downloaded 310.70-desktop-win8-win7-winvista-64bit-international-whql.exe, which lists 9400 GT under supported products, but when I run it, it says: "NVIDIA Installer cannot continue This graphics driver could not find compatible graphics hardware." Connected the display to the on-board Intel graphics (G41 Intel Express), removed the NVIDIA card and rebooted, changed to internal graphics in CMOS. Again it installs the MS Basic Display Adapter, and can't properly run my s/w that needs OpenGL. It runs on other machines with Intel Express graphics (WinXP and 7) Shut down and pulled out the power cord. Held start button to discharge all capacitors. Removed and re-inserted NVIDIA adapter in PCI-E slot and made sure properly seated. Connected the monitor to the card, screwed plug to socket. Reconnected power cord. Started and checked in BIOS that Primary Graphics Adapter was set to PCI-E. Started Windows. Uninstalled MS Basic Display Adapter in Device Manager. Screen blanks briefly, reappears. No Graphics adapter entry was then visible in Device Manager. Restarted PC. MS Basic Display Adapter Visible again in Device Manager. Clicked in Device Manager View Show hidden devices. No other graphics adapter appears, no unknown devices. Rebooted. Tried Scan for Hardware changes. None detected. Tried right-click on MS Basic Display Adapter Properties Driver Update Driver... Search automatically. It replied that it had determined driver was up to date. I checked that there were no graphic driver-related entries in Programs and Features that I could delete (none). Searched for any other drivers with nvidia in their name and deleted them, just keeping the 306.97 installer exe file. Did a Windows Update. Ran GPU-Z which shows (main items): Microsoft Basic Display Adapter GPU G72 BIOS 5.72.22.76.88 Device ID 10DE - 01D5 DDR2 Bus Width 32 Bit Memory size 64MB Driver Version nvlddmkm 6.2.9200.16384 (ForceWare 0.00) / Win8 64 NVIDIA SLI Unknown in the drop-down at the foot, "Microsoft Basic Display Adapter" is the only option If I swap hard disks in that machine to one with a Ubuntu 10.4 installation (originally installed on the same PC), lspci shows "VGA compatible controller as NVIDIA Corporation Device 01d5 (rev a1) (prog-if 00 [VGA controller])" and "kernel driver in use: nvidia" I'm out of ideas for new things to try and would be really grateful of suggestions. Thanks!

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• e2fsck extremly slow, although enough memory exists

  - by kaefert

  I've got this external USB-Disk: kaefert@blechmobil:~$ lsusb -s 2:3 Bus 002 Device 003: ID 0bc2:3320 Seagate RSS LLC As can be seen in this dmesg output, there are some problems that prevents that disk from beeing mounted: kaefert@blechmobil:~$ dmesg | grep sdb [ 114.474342] sd 5:0:0:0: [sdb] 732566645 4096-byte logical blocks: (3.00 TB/2.72 TiB) [ 114.475089] sd 5:0:0:0: [sdb] Write Protect is off [ 114.475092] sd 5:0:0:0: [sdb] Mode Sense: 43 00 00 00 [ 114.475959] sd 5:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 114.477093] sd 5:0:0:0: [sdb] 732566645 4096-byte logical blocks: (3.00 TB/2.72 TiB) [ 114.501649] sdb: sdb1 [ 114.502717] sd 5:0:0:0: [sdb] 732566645 4096-byte logical blocks: (3.00 TB/2.72 TiB) [ 114.504354] sd 5:0:0:0: [sdb] Attached SCSI disk [ 116.804408] EXT4-fs (sdb1): ext4_check_descriptors: Checksum for group 3976 failed (47397!=61519) [ 116.804413] EXT4-fs (sdb1): group descriptors corrupted! So I went and fired up my favorite partition manager - gparted, and told it to verify and repair the partition sdb1. This made gparted call e2fsck (version 1.42.4 (12-Jun-2012)) e2fsck -f -y -v /dev/sdb1 Although gparted called e2fsck with the "-v" option, sadly it doesn't show me the output of my e2fsck process (bugreport https://bugzilla.gnome.org/show_bug.cgi?id=467925 ) I started this whole thing on Sunday (2012-11-04_2200) evening, so about 48 hours ago, this is what htop says about it now (2012-11-06-1900): PID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ Command 3704 root 39 19 1560M 1166M 768 R 98.0 19.5 42h56:43 e2fsck -f -y -v /dev/sdb1 Now I found a few posts on the internet that discuss e2fsck running slow, for example: http://gparted-forum.surf4.info/viewtopic.php?id=13613 where they write that its a good idea to see if the disk is just that slow because maybe its damaged, and I think these outputs tell me that this is not the case in my case: kaefert@blechmobil:~$ sudo hdparm -tT /dev/sdb /dev/sdb: Timing cached reads: 3562 MB in 2.00 seconds = 1783.29 MB/sec Timing buffered disk reads: 82 MB in 3.01 seconds = 27.26 MB/sec kaefert@blechmobil:~$ sudo hdparm /dev/sdb /dev/sdb: multcount = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 364801/255/63, sectors = 5860533160, start = 0 However, although I can read quickly from that disk, this disk speed doesn't seem to be used by e2fsck, considering tools like gkrellm or iotop or this: kaefert@blechmobil:~$ iostat -x Linux 3.2.0-2-amd64 (blechmobil) 2012-11-06 _x86_64_ (2 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 14,24 47,81 14,63 0,95 0,00 22,37 Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util sda 0,59 8,29 2,42 5,14 43,17 160,17 53,75 0,30 39,80 8,72 54,42 3,95 2,99 sdb 137,54 5,48 9,23 0,20 587,07 22,73 129,35 0,07 7,70 7,51 16,18 2,17 2,04 Now I researched a little bit on how to find out what e2fsck is doing with all that processor time, and I found the tool strace, which gives me this: kaefert@blechmobil:~$ sudo strace -p3704 lseek(4, 41026998272, SEEK_SET) = 41026998272 write(4, "\212\354K[_\361\3nl\212\245\352\255jR\303\354\312Yv\334p\253r\217\265\3567\325\257\3766"..., 4096) = 4096 lseek(4, 48404766720, SEEK_SET) = 48404766720 read(4, "\7t\260\366\346\337\304\210\33\267j\35\377'\31f\372\252\ffU\317.y\211\360\36\240c\30`\34"..., 4096) = 4096 lseek(4, 41027002368, SEEK_SET) = 41027002368 write(4, "\232]7Ws\321\352\t\1@[+5\263\334\276{\343zZx\352\21\316`1\271[\202\350R`"..., 4096) = 4096 lseek(4, 48404770816, SEEK_SET) = 48404770816 read(4, "\17\362r\230\327\25\346//\210H\v\311\3237\323K\304\306\361a\223\311\324\272?\213\tq \370\24"..., 4096) = 4096 lseek(4, 41027006464, SEEK_SET) = 41027006464 write(4, "\367yy>x\216?=\324Z\305\351\376&\25\244\210\271\22\306}\276\237\370(\214\205G\262\360\257#"..., 4096) = 4096 lseek(4, 48404774912, SEEK_SET) = 48404774912 read(4, "\365\25\0\21|T\0\21}3t_\272\373\222k\r\177\303\1\201\261\221$\261B\232\3142\21U\316"..., 4096) = 4096 ^CProcess 3704 detached around 16 of these lines every second, so 4 read and 4 write operations every second, which I don't consider to be a lot.. And finally, my question: Will this process ever finish? If those numbers from fseek (48404774912) represent bytes, that would be something like 45 gigabytes, with this beeing a 3 terrabyte disk, which would give me 134 days to go, if the speed stays constant, and he scans the disk like this completly and only once. Do you have some advice for me? I have most of the data on that disk elsewhere, but I've put a lot of hours into sorting and merging it to this disk, so I would prefer to getting this disk up and running again, without formatting it anew. I don't think that the hardware is damaged since the disk is only a few months and since I can't see any I/O errors in the dmesg output. UPDATE: I just looked at the strace output again (2012-11-06_2300), now it looks like this: lseek(4, 1419860611072, SEEK_SET) = 1419860611072 read(4, "3#\f\2447\335\0\22A\355\374\276j\204'\207|\217V|\23\245[\7VP\251\242\276\207\317:"..., 4096) = 4096 lseek(4, 43018145792, SEEK_SET) = 43018145792 write(4, "]\206\231\342Y\204-2I\362\242\344\6R\205\361\324\177\265\317C\334V\324\260\334\275t=\10F."..., 4096) = 4096 lseek(4, 1419860615168, SEEK_SET) = 1419860615168 read(4, "\262\305\314Y\367\37x\326\245\226\226\320N\333$s\34\204\311\222\7\315\236\336\300TK\337\264\236\211n"..., 4096) = 4096 lseek(4, 43018149888, SEEK_SET) = 43018149888 write(4, "\271\224m\311\224\25!I\376\16;\377\0\223H\25Yd\201Y\342\r\203\271\24eG<\202{\373V"..., 4096) = 4096 lseek(4, 1419860619264, SEEK_SET) = 1419860619264 read(4, ";d\360\177\n\346\253\210\222|\250\352T\335M\33\260\320\261\7g\222P\344H?t\240\20\2548\310"..., 4096) = 4096 lseek(4, 43018153984, SEEK_SET) = 43018153984 write(4, "\360\252j\317\310\251G\227\335{\214`\341\267\31Y\202\360\v\374\307oq\3063\217Z\223\313\36D\211"..., 4096) = 4096 So this number of the lseeks before the reads, like 1419860619264 are already a lot bigger, standing for 1.29 terabytes if the numbers are bytes, so it doesn't seem to be a linear progress on a big scale, maybe there are only some areas that need work, that have big gaps in between them. (times are in CET)

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• Cannot Create New Team Project TFS2010 TF249063 TF218017

  - by Kodicus

  Server: Windows 2008 R2 Standard Team Foundation Server 2010 WSS 3.0 TFS Configuration: Single Server instalation (including SharePoint) The following error occurs when trying to create a new team project from my local machine. The ://sourcecontrol site and ://sourcecontrol/sites/DefaultCollection/ site appears to be functioning fine and my user is a Site collection administrator on both. I can navigate both sites through a browser on my local machine. Thanks for your help! 2010-04-23T10:01:42 | Module: Internal | Team Foundation Server proxy retrieved | Completion time: 0 seconds 2010-04-23T10:01:42 | Module: Wizard | Retrieved IAuthorizationService proxy | Completion time: 0 seconds 2010-04-23T10:01:42 | Module: Wizard | TF30227: Project creation permissions retrieved | Completion time: 0.109382 seconds 2010-04-23T10:01:42 | Module: Internal | The template information for Team Foundation Server "sourcecontrol\DefaultCollection" was retrieved from the Team Foundation Server. | Completion time: 0.15626 seconds ---begin Exception entry--- Time: 2010-04-23T10:03:24 Module: Wizard Exception Message: TF218017: A SharePoint site could not be created for use as the team project portal. The following error occurred: TF249063: The following Web service is not available: ://sourcecontrol/_vti_bin/TeamFoundationIntegrationService.asmx. This Web service is used for the Team Foundation Server Extensions for SharePoint Products. The underlying error is: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.. Verify that the following URL points to a valid SharePoint Web application and that the application is available: ://sourcecontrol. If the URL is correct and the Web application is operating normally, verify that a firewall is not blocking access to the Web application. (type TeamFoundationServerException) Exception Stack Trace: at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.CheckCreateSite(TfsTeamProjectCollection tfsServer, Uri adminUri, Uri siteUri) at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.ValidateSettings(ProjectCreationContext context) at Microsoft.VisualStudio.TeamFoundation.PortfolioProjectForm.OnFinish() Inner Exception Details: Exception Message: TF249063: The following Web service is not available: ://sourcecontrol/_vti_bin/TeamFoundationIntegrationService.asmx. This Web service is used for the Team Foundation Server Extensions for SharePoint Products. The underlying error is: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.. Verify that the following URL points to a valid SharePoint Web application and that the application is available: ://sourcecontrol. If the URL is correct and the Web application is operating normally, verify that a firewall is not blocking access to the Web application. (type TeamFoundationServiceUnavailableException) Exception Stack Trace: at Microsoft.TeamFoundation.Client.SharePoint.SharePointTeamFoundationIntegrationService.HandleException(Exception e) at Microsoft.TeamFoundation.Client.SharePoint.SharePointTeamFoundationIntegrationService.CheckUrl(String absolutePath, CheckUrlOptions options, Guid configurationServerId, Guid projectCollectionId) at Microsoft.TeamFoundation.Client.SharePoint.WssUtilities.CheckUrl(ICredentials credentials, Uri adminUrl, Uri siteUrl, CheckUrlOptions options, Guid configurationServerId, Guid projectCollectionId) at Microsoft.TeamFoundation.Client.SharePoint.WssUtilities.CheckCreateSite(TfsConnection tfs, Uri adminUrl, Uri siteUrl) at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.CheckCreateSite(TfsTeamProjectCollection tfsServer, Uri adminUri, Uri siteUri) Inner Exception Details: Exception Message: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server. (type WebException) Exception Stack Trace: at System.Net.WebRequest.GetResponse() at Microsoft.TeamFoundation.Client.TeamFoundationClientProxyBase.AsyncWebRequest.ExecRequest(Object obj) Inner Exception Details: Exception Message: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. (type IOException) Exception Stack Trace: at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.PooledStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.Connection.SyncRead(WebRequest request, Boolean userRetrievedStream, Boolean probeRead) Inner Exception Details: Exception Message: An existing connection was forcibly closed by the remote host (type SocketException) Exception Stack Trace: at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) --- end Exception entry ---

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• Making an asynchronous Client with boost::asio

  - by tag

  Hello, i'm trying to make an asynchronous Client with boost::asio, i use the daytime asynchronous Server(in the tutorial). However sometimes the Client don't receive the Message, sometimes it do :O I'm sorry if this is too much Code, but i don't know what's wrong :/ Client: #include <iostream> #include <stdio.h> #include <ostream> #include <boost/thread.hpp> #include <boost/bind.hpp> #include <boost/array.hpp> #include <boost/asio.hpp> using namespace std; using boost::asio::ip::tcp; class TCPClient { public: TCPClient(boost::asio::io_service& IO_Service, tcp::resolver::iterator EndPointIter); void Write(); void Close(); private: boost::asio::io_service& m_IOService; tcp::socket m_Socket; boost::array<char, 128> m_Buffer; size_t m_BufLen; private: void OnConnect(const boost::system::error_code& ErrorCode, tcp::resolver::iterator EndPointIter); void OnReceive(const boost::system::error_code& ErrorCode); void DoClose(); }; TCPClient::TCPClient(boost::asio::io_service& IO_Service, tcp::resolver::iterator EndPointIter) : m_IOService(IO_Service), m_Socket(IO_Service) { tcp::endpoint EndPoint = *EndPointIter; m_Socket.async_connect(EndPoint, boost::bind(&TCPClient::OnConnect, this, boost::asio::placeholders::error, ++EndPointIter)); } void TCPClient::Close() { m_IOService.post( boost::bind(&TCPClient::DoClose, this)); } void TCPClient::OnConnect(const boost::system::error_code& ErrorCode, tcp::resolver::iterator EndPointIter) { if (ErrorCode == 0) // Successful connected { m_Socket.async_receive(boost::asio::buffer(m_Buffer.data(), m_BufLen), boost::bind(&TCPClient::OnReceive, this, boost::asio::placeholders::error)); } else if (EndPointIter != tcp::resolver::iterator()) { m_Socket.close(); tcp::endpoint EndPoint = *EndPointIter; m_Socket.async_connect(EndPoint, boost::bind(&TCPClient::OnConnect, this, boost::asio::placeholders::error, ++EndPointIter)); } } void TCPClient::OnReceive(const boost::system::error_code& ErrorCode) { if (ErrorCode == 0) { std::cout << m_Buffer.data() << std::endl; m_Socket.async_receive(boost::asio::buffer(m_Buffer.data(), m_BufLen), boost::bind(&TCPClient::OnReceive, this, boost::asio::placeholders::error)); } else { DoClose(); } } void TCPClient::DoClose() { m_Socket.close(); } int main() { try { boost::asio::io_service IO_Service; tcp::resolver Resolver(IO_Service); tcp::resolver::query Query("127.0.0.1", "daytime"); tcp::resolver::iterator EndPointIterator = Resolver.resolve(Query); TCPClient Client(IO_Service, EndPointIterator); boost::thread ClientThread( boost::bind(&boost::asio::io_service::run, &IO_Service)); std::cout << "Client started." << std::endl; std::string Input; while (Input != "exit") { std::cin >> Input; } Client.Close(); ClientThread.join(); } catch (std::exception& e) { std::cerr << e.what() << std::endl; } } Server: http://www.boost.org/doc/libs/1_39_0/doc/html/boost_asio/tutorial/tutdaytime3/src.html Regards :)

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• Salesforce/PHP - Bulk Outbound message (SOAP), Time out issue - See update #2

  - by Phill Pafford

  Salesforce can send up to 100 requests inside 1 SOAP message. While sending this type of Bulk Ooutbound message request my PHP script finishes executing but SF fails to accept the ACK used to clear the message queue on the Salesforce side of things. Looking at the Outbound message log (monitoring) I see all the messages in a pending state with the Delivery Failure Reason "java.net.SocketTimeoutException: Read timed out". If my script has finished execution, why do I get this error? I have tried these methods to increase the execution time on my server as I have no access on the Salesforce side: set_time_limit(0); // in the script max_execution_time = 360 ; Maximum execution time of each script, in seconds max_input_time = 360 ; Maximum amount of time each script may spend parsing request data memory_limit = 32M ; Maximum amount of memory a script may consume I used the high settings just for testing. Any thoughts as to why this is failing the ACK delivery back to Salesforce? Here is some of the code: This is how I accept and send the ACK file for the imcoming SOAP request $data = 'php://input'; $content = file_get_contents($data); if($content) { respond('true'); } else { respond('false'); } The respond function function respond($tf) { $ACK = <<<ACK <?xml version = "1.0" encoding = "utf-8"?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <soapenv:Body> <notifications xmlns="http://soap.sforce.com/2005/09/outbound"> <Ack>$tf</Ack> </notifications> </soapenv:Body> </soapenv:Envelope> ACK; print trim($ACK); } These are in a generic script that I include into the script that uses the data for a specific workflow. I can process about 25 requests (That are in 1 SOAP response) but once I go over that I get the timeout error in the Salesforce queue. for 50 requests is usually takes my PHP script 86.77 seconds. Could it be Apache? PHP? I have also tested just accepting the 100 request SOAP response and just accepting and sending the ACK the queue clears out, so I know it's on my side of things. I show no errors in the apache log, the script runs fine. I did find some info on the Salesforce site but still no luck. Here is the link. Also I'm using the PHP Toolkit 11 (From Salesforce). Other forum with good SF help Thanks for any insight into this, --Phill UPDATE: If I receive the incoming message and print the response, should this happen first regardless if I do anything else after? Or does it wait for my process to finish and then print the response? UPDATE #2: okay I think I have the problem: PHP uses the single thread processing approach and will not send back the ACK file until the thread has completed it's processing. Is there a way to make this a mutli thread process? Thread #1 - accept the incoming SOAP request and send back the ACK Thread #2 - Process the SOAP request I know I could break it up into like a DB table or flat file, but is there a way to accomplish this without doing that? I'm going to try to close the socket after the ACK submission and continue the processing, cross my fingers it will work.

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• A couple of pattern matching issues with pattern matching in Lua

  - by Josh

  I'm fairly new to lua programming, but I'm also a quick study. I've been working on a weather forecaster for a program that I use, and it's working well, for the most part. Here is what I have so far. (Pay no attention to the zs.stuff. That is program specific and has no bearing on the lua coding.) if not http then http = require("socket.http") end local locale = string.gsub(zs.params(1),"%s+","%%20") local page = http.request("http://www.wunderground.com/cgi-bin/findweather/getForecast?query=" .. locale .. "&wuSelect=WEATHER") local location = string.match(page,'title="([%w%s,]+) RSS"') --print("Gathering weather information for " .. location .. ".") --local windspeed = string.match(page,'<span class="nobr"><span class="b">([%d.]+)</span>&nbsp;mph</span>') --print(windspeed) local condition = string.match(page, '<td class="vaM taC"><img src="http://icons-ecast.wxug.com/i/c/a/[%w_]+.gif" width="42" height="42" alt="[%w%s]+" class="condIcon" />') --local image = string.match(page, '<img src="http://icons-ecast.wxug.com/i/c/a/(.+).gif" width="42" height="42" alt="[%w%s]+" class="condIcon" />') local temperature = string.match(page,'pwsvariable="tempf" english="&deg;F" metric="&deg;C" value="([%d.]+)">') local humidity = string.match(page,'pwsvariable="humidity" english="" metric="" value="(%d+)"') zs.say(location) --zs.say("image ./Images/" .. image .. ".gif") zs.say("<color limegreen>Condition:</color> <color white>" .. condition .. "</color>") zs.say("<color limegreen>Temperature: </color><color white>" .. temperature .. "F</color>") zs.say("<color limegreen>Humidity: </color><color white>" .. humidity .. "%</color>") My main issue is this: I changed the 'condition' and added the 'image' variables to what they are now. Even though the line it's supposed to be matching comes directly from the webpage, it fails to match at all. So I'm wondering what it is I'm missing that's preventing this code from working. If I take out the <td class="vaM taC">< img src="http://icons-ecast.wxug.com/i/c/a/[%w_]+.gif" it'll match condition flawlessly. (For whatever reason, I can't get the above line to display correctly, but there is no space between the `< and img) Can anyone point out what is wrong with it? Aside from the pattern matching, I assure you the line is verbatim from the webpage. Another question I had is the ability to match across line breaks. Is there any possible way to do this? The reason why I ask is because on that same page, a few of the things I need to match are broken up on separate lines, and since the actual pattern I'm wanting to match shows up in other places on the page, I need to be able to match across line breaks to get the exact pattern. I appreciate any help in this matter!

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• Apache MINA NIO connector help

  - by satya

  I'm new to using MINA. I've a program which uses MINA NIOconnector to connect to host. I'm able to send data and also receive. This is clear from log4j log which i'm attaching below. E:\>java TC4HostClient [12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil ter] - CREATED [12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil ter] - OPENED Opened CGS Sign On [12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil ter] - SENT: HeapBuffer[pos=0 lim=370 cap=512: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20...] [12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil ter] - SENT: HeapBuffer[pos=0 lim=0 cap=0: empty] Message Sent 00000333CST 1001010 00000308000003080010000 000009600000000FTS O00000146TC4DS 001WSJTC41 ---001NTMU9001-I --- -----000 0030000000012400000096500007013082015SATYA 500000 010165070000002200011 01800000000022000001241 172.16.25.122 02 [12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil ter] - RECEIVED: HeapBuffer[pos=0 lim=36 cap=2048: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20...] [12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil ter] - RECEIVED: HeapBuffer[pos=0 lim=505 cap=2048: 31 20 20 20 20 20 20 20 20 3 0 30 30 30 30 34 38...] After Writing [12:21:52] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil ter] - CLOSED Though i see "RECEIVED" in log my handler messageReceived method is not being called. Can anyone please help me in this regard and tell me what i'm doing wrong import java.io.IOException; import java.net.InetSocketAddress; import java.nio.charset.Charset; import java.net.SocketAddress; import org.apache.mina.core.service.IoAcceptor; import org.apache.mina.core.session.IdleStatus; import org.apache.mina.filter.codec.ProtocolCodecFilter; import org.apache.mina.filter.codec.textline.TextLineCodecFactory; import org.apache.mina.filter.logging.LoggingFilter; import org.apache.mina.transport.socket.nio.NioSocketConnector; import org.apache.mina.core.session.IoSession; import org.apache.mina.core.future.*; public class TC4HostClient { private static final int PORT = 9123; public static void main( String[] args ) throws IOException,Exception { NioSocketConnector connector = new NioSocketConnector(); SocketAddress address = new InetSocketAddress("172.16.25.3", 8004); connector.getSessionConfig().setReadBufferSize( 2048 ); connector.getFilterChain().addLast( "logger", new LoggingFilter() ); connector.getFilterChain().addLast( "codec", new ProtocolCodecFilter( new TextLineCodecFactory( Charset.forName( "UTF-8" )))); connector.setHandler(new TC4HostClientHandler()); ConnectFuture future1 = connector.connect(address); future1.awaitUninterruptibly(); if (!future1.isConnected()) { return ; } IoSession session = future1.getSession(); System.out.println("CGS Sign On"); session.getConfig().setUseReadOperation(true); session.write(" 00000333CST 1001010 00000308000003080010000000009600000000FTS O00000146TC4DS 001WSJTC41 ---001NTMU9001-I --------000 0030000000012400000096500007013082015SATYA 500000 010165070000002200011 01800000000022000001241 172.16.25.122 02"); session.getCloseFuture().awaitUninterruptibly(); System.out.println("After Writing"); connector.dispose(); } } import org.apache.mina.core.session.IdleStatus; import org.apache.mina.core.service.IoHandlerAdapter; import org.apache.mina.core.session.IoSession; import org.apache.mina.core.buffer.IoBuffer; public class TC4HostClientHandler extends IoHandlerAdapter { @Override public void exceptionCaught( IoSession session, Throwable cause ) throws Exception { cause.printStackTrace(); } @Override public void messageSent( IoSession session, Object message ) throws Exception { String str = message.toString(); System.out.println("Message Sent" + str); } @Override public void messageReceived( IoSession session, Object message ) throws Exception { IoBuffer buf = (IoBuffer) message; // Print out read buffer content. while (buf.hasRemaining()) { System.out.print((char) buf.get()); } System.out.flush(); } /* @Override public void messageReceived( IoSession session, Object message ) throws Exception { String str = message.toString(); System.out.println("Message Received : " + str); }*/ @Override public void sessionIdle( IoSession session, IdleStatus status ) throws Exception { System.out.println( "IDLE " + session.getIdleCount( status )); } public void sessionClosed(IoSession session){ System.out.println( "Closed "); } public void sessionOpened(IoSession session){ System.out.println( "Opened "); } }

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• Emulating old-school sprite flickering (theory and concept)

  - by Jeffrey Kern

  I'm trying to develop an oldschool NES-style video game, with sprite flickering and graphical slowdown. I've been thinking of what type of logic I should use to enable such effects. I have to consider the following restrictions if I want to go old-school NES style: No more than 64 sprites on the screen at a time No more than 8 sprites per scanline, or for each line on the Y axis If there is too much action going on the screen, the system freezes the image for a frame to let the processor catch up with the action From what I've read up, if there were more than 64 sprites on the screen, the developer would only draw high-priority sprites while ignoring low-priority ones. They could also alternate, drawing each even numbered sprite on opposite frames from odd numbered ones. The scanline issue is interesting. From my testing, it is impossible to get good speed on the XBOX 360 XNA framework by drawing sprites pixel-by-pixel, like the NES did. This is why in old-school games, if there were too many sprites on a single line, some would appear if they were cut in half. For all purposes for this project, I'm making scanlines be 8 pixels tall, and grouping the sprites together per scanline by their Y positioning. So, dumbed down I need to come up with a solution that.... 64 sprites on screen at once 8 sprites per 'scanline' Can draw sprites based on priority Can alternate between sprites per frame Emulate slowdown Here is my current theory First and foremost, a fundamental idea I came up with is addressing sprite priority. Assuming values between 0-255 (0 being low), I can assign sprites priority levels, for instance: 0 to 63 being low 63 to 127 being medium 128 to 191 being high 192 to 255 being maximum Within my data files, I can assign each sprite to be a certain priority. When the parent object is created, the sprite would randomly get assigned a number between its designated range. I would then draw sprites in order from high to low, with the end goal of drawing every sprite. Now, when a sprite gets drawn in a frame, I would then randomly generate it a new priority value within its initial priority level. However, if a sprite doesn't get drawn in a frame, I could add 32 to its current priority. For example, if the system can only draw sprites down to a priority level of 135, a sprite with an initial priority of 45 could then be drawn after 3 frames of not being drawn (45+32+32+32=141) This would, in theory, allow sprites to alternate frames, allow priority levels, and limit sprites to 64 per screen. Now, the interesting question is how do I limit sprites to only 8 per scanline? I'm thinking that if I'm sorting the sprites high-priority to low-priority, iterate through the loop until I've hit 64 sprites drawn. However, I shouldn't just take the first 64 sprites in the list. Before drawing each sprite, I could check to see how many sprites were drawn in it's respective scanline via counter variables . For example: Y-values between 0 to 7 belong to Scanline 0, scanlineCount[0] = 0 Y-values between 8 to 15 belong to Scanline 1, scanlineCount[1] = 0 etc. I could reset the values per scanline for every frame drawn. While going down the sprite list, add 1 to the scanline's respective counter if a sprite gets drawn in that scanline. If it equals 8, don't draw that sprite and go to the sprite with the next lowest priority. SLOWDOWN The last thing I need to do is emulate slowdown. My initial idea was that if I'm drawing 64 sprites per frame and there's still more sprites that need to be drawn, I could pause the rendering by 16ms or so. However, in the NES games I've played, sometimes there's slowdown if there's not any sprite flickering going on whereas the game moves beautifully even if there is some sprite flickering. Perhaps give a value to each object that uses sprites on the screen (like the priority values above), and if the combined values of all objects w/ sprites surpass a threshold, introduce the sprite flickering? IN CONCLUSION... Does everything I wrote actually sound legitimate and could work, or is it a pipe dream? What improvements can you all possibly think with this game programming theory of mine?

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• Cannot connect to MySQL with JDBC - Connection Timeout - Ubuntu 9.04

  - by gav

  I am running Ubuntu and am ultimately trying to connect Tomcat to my MySQL database using JDBC. It has worked previously but after a reboot the instance now fails to connect. Both Tomcat 6 and MySQL 5.0.75 are on the same machine Connection string: jdbc:mysql:///localhost:3306 I can connect to MySQL on the command line using the mysql command The my.cnf file is pretty standard (Available on request) has bind address: 127.0.0.1 I cannot Telnet to the MySQL port despite netstat saying MySQL is listening I have one IpTables rule to forward 80 - 8080 and no firewall I'm aware of. I'm pretty new to this and I'm not sure what else to test. I don't know whether I should be looking in etc/interfaces and if I did what to look for. It's weird because it used to work but after a reboot it's down so I must have changed something.... :). I realise a timeout indicates the server is not responding and I assume it's because the request isn't actually getting through. I installed MySQL via apt-get and Tomcat manually. MySqld processes root@88:/var/log/mysql# ps -ef | grep mysqld root 21753 1 0 May27 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe mysql 21792 21753 0 May27 ? 00:00:00 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --pid-file=/var/run/mysqld/mysqld.pid --skip-external-locking --port=3306 --socket=/var/run/mysqld/mysqld.sock root 21793 21753 0 May27 ? 00:00:00 logger -p daemon.err -t mysqld_safe -i -t mysqld root 21888 13676 0 11:23 pts/1 00:00:00 grep mysqld Netstat root@88:/var/log/mysql# netstat -lnp | grep mysql tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 21792/mysqld unix 2 [ ACC ] STREAM LISTENING 1926205077 21792/mysqld /var/run/mysqld/mysqld.sock Toy Connection Class root@88:~# cat TestConnect/TestConnection.java import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class TestConnection { public static void main(String args[]) throws Exception { Connection con = null; try { Class.forName("com.mysql.jdbc.Driver").newInstance(); System.out.println("Got driver"); con = DriverManager.getConnection( "jdbc:mysql:///localhost:3306", "uname", "pass"); System.out.println("Got connection"); if(!con.isClosed()) System.out.println("Successfully connected to " + "MySQL server using TCP/IP..."); } finally { if(con != null) con.close(); } } } Toy Connection Class Output Note: This is the same error I get from Tomcat. root@88:~/TestConnect# java -cp mysql-connector-java-5.1.12-bin.jar:. TestConnection Got driver Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 1 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1122) at TestConnection.main(TestConnection.java:14) Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1122) at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:344) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2181) ... 12 more Caused by: java.net.ConnectException: Connection timed out at java.net.PlainSocketImpl.socketConnect(Native Method) ... 13 more Telnet Output root@88:~/TestConnect# telnet localhost 3306 Trying 127.0.0.1... telnet: Unable to connect to remote host: Connection timed out

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• EXSLT date:format-date template without document() XSLT 1.0

  - by DashaLuna

  Hello guys, I'm using date:format-date template EXSLT file I'm using XSLT 1.0 and MSXML3.0 as the processor. My date:format-date template EXSLT file's declaration is: <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:tui="http://www.travelbound.co.uk/" xmlns:date="http://exslt.org/dates-and-times" exclude-result-prefixes="msxsl tui date" version="1.0"> ... </xsl:stylesheet> I cannot use document() function due to the 3rd party restrictions. So I have changed the months and days (similarly) from XML snippet: <date:months> <date:month length="31" abbr="Jan">January</date:month> <date:month length="28" abbr="Feb">February</date:month> <date:month length="31" abbr="Mar">March</date:month> <date:month length="30" abbr="Apr">April</date:month> <date:month length="31" abbr="May">May</date:month> <date:month length="30" abbr="Jun">June</date:month> <date:month length="31" abbr="Jul">July</date:month> <date:month length="31" abbr="Aug">August</date:month> <date:month length="30" abbr="Sep">September</date:month> <date:month length="31" abbr="Oct">October</date:month> <date:month length="30" abbr="Nov">November</date:month> <date:month length="31" abbr="Dec">December</date:month> </date:months> to the variable: <xsl:variable name="months"> <month length="31" abbr="Jan">January</month> <month length="28" abbr="Feb">February</month> <month length="31" abbr="Mar">March</month> <month length="30" abbr="Apr">April</month> <month length="31" abbr="May">May</month> <month length="30" abbr="Jun">June</month> <month length="31" abbr="Jul">July</month> <month length="31" abbr="Aug">August</month> <month length="30" abbr="Sep">September</month> <month length="31" abbr="Oct">October</month> <month length="30" abbr="Nov">November</month> <month length="31" abbr="Dec">December</month> </xsl:variable> And correspondingly, I've changed the code that originally uses document() function from: [from month processing bit of EXSLT stylesheet] <xsl:variable name="month-node" select="document('')/*/date:months/date:month[number($month)]" /> to use MSXML3.0 node-set function: <xsl:variable name="month-node" select="msxsl:node-set($months)/month[number($month)]" /> So I assumed that this would work. According to the EXLT instructions "The format pattern string is interpreted as described for the JDK 1.1 SimpleDateFormat class." [I used current version]. I'm specifing the month in accordance to SimpleDateFormat class as 'dd MMMMM yyyy' so that the month will be the full month's name, for example January. But it doesn't work :( I've looked in EXSLT stylesheet and it has got the logic to do that. Also there is logic to display the name of the week for a day using 'E' pattern, which doesn't work for me. Maybe changing from using document() to variables broke it. Would really appreciate any help. Many thanks!

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• LUA: A couple of pattern matching issues

  - by Josh

  I'm fairly new to lua programming, but I'm also a quick study. I've been working on a weather forecaster for a program that I use, and it's working well, for the most part. Here is what I have so far. (Pay no attention to the zs.stuff. That is program specific and has no bearing on the lua coding.) if not http then http = require("socket.http") end local locale = string.gsub(zs.params(1),"%s+","%%20") local page = http.request("http://www.wunderground.com/cgi-bin/findweather/getForecast?query=" .. locale .. "&wuSelect=WEATHER") local location = string.match(page,'title="([%w%s,]+) RSS"') --print("Gathering weather information for " .. location .. ".") --local windspeed = string.match(page,'<span class="nobr"><span class="b">([%d.]+)</span>&nbsp;mph</span>') --print(windspeed) local condition = string.match(page, '<td class="vaM taC"><img src="http://icons-ecast.wxug.com/i/c/a/[%w_]+.gif" width="42" height="42" alt="[%w%s]+" class="condIcon" />') --local image = string.match(page, '<img src="http://icons-ecast.wxug.com/i/c/a/(.+).gif" width="42" height="42" alt="[%w%s]+" class="condIcon" />') local temperature = string.match(page,'pwsvariable="tempf" english="&deg;F" metric="&deg;C" value="([%d.]+)">') local humidity = string.match(page,'pwsvariable="humidity" english="" metric="" value="(%d+)"') zs.say(location) --zs.say("image ./Images/" .. image .. ".gif") zs.say("<color limegreen>Condition:</color> <color white>" .. condition .. "</color>") zs.say("<color limegreen>Temperature: </color><color white>" .. temperature .. "F</color>") zs.say("<color limegreen>Humidity: </color><color white>" .. humidity .. "%</color>") My main issue is this: I changed the 'condition' and added the 'image' variables to what they are now. Even though the line it's supposed to be matching comes directly from the webpage, it fails to match at all. So I'm wondering what it is I'm missing that's preventing this code from working. If I take out the <td class="vaM taC">< img src="http://icons-ecast.wxug.com/i/c/a/[%w_]+.gif" it'll match condition flawlessly. (For whatever reason, I can't get the above line to display correctly, but there is no space between the `< and img) Can anyone point out what is wrong with it? Aside from the pattern matching, I assure you the line is verbatim from the webpage. Another question I had is the ability to match across line breaks. Is there any possible way to do this? The reason why I ask is because on that same page, a few of the things I need to match are broken up on separate lines, and since the actual pattern I'm wanting to match shows up in other places on the page, I need to be able to match across line breaks to get the exact pattern. I appreciate any help in this matter!

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• Chaining CSS classes in IE6 - Trying to find a jQuery solution?

  - by Mike Baxter

  Right, perhaps I ask the impossible? I consider myself fairly new to Javscript and jQuery, but that being said, I have written some fairly complex code recently so I am definitely getting there... however I am now possed with a rather interesting issue at my current freelance contract. The previous web coder has taken a Grid-960 approach to the HTML and as a result has used chained classes to style many of the elements. The example below is typical of what can be found in the code: <div class='blocks four-col-1 orange highlight'>Some content</div> And in the css there will be different declarations for: (not actual css... but close enough) .blocks {margin-right:10px;} .orange {background-image:url(someimage.jpg);} .highlight {font-weight:bold;} .four-col-1 {width:300px;} and to make matters worse... this is in the CSS: .blocks.orange.highlight {background-colour:#dd00ff;} Anyone not familiar with this particular bug can read more on it here: http://www.ryanbrill.com/archives/multiple-classes-in-ie/ it is very real and very annoying. Without wanting to go into the merrits of not chaining classes (I told them this, but it is no longer feasible to change their approach... 100 hand coded pages into a 150 page website, no CMS... sigh) and without the luxury of being able to change the way these blocks are styled... can anyone advise me on the complexity and benefits between any of my below proposed approaches or possible other options that would adequately solve this problem. Potential Solution 1 Using conditional comments I am considering loading a jquery script only for IE6 that: Reads the class of all divs in a certain section of the page and pushes to an array creates empty boxes off screen with only one of the classes applied at a time Reads the applied CSS values for each box Re-applies these styles to the individual box, somehow bearing in mind the order in which they are called and overwriting conflicting instructions as required Potential Solution 2 read the class of all divs in a certain section of the page and push to an array Scan the document for links to style sheets Ajax grab the stylesheets and traverse looking for matching names to those in class array Apply styles as needed Potential Solution 3 Create an IE6 only stylesheet containing the exact style to be applied as a unique name (ie: class='blocks orange highlight' becomes class='blocks-orange-highlight') Traverse the document in IE6 and convert all spaces in class declarations to hyphens and reapply classes based on new style name Summary: Solution 1 allows the people at this company to apply any styles in the future and the script will adjust as needed. However it does not allow for the chained style to be added, only the individual style... it is also processor intensive and time consuming, but also the most likely to be converted into a plugin that could be used the world over Solution 2 is a potential nightmare to code. But again will allow for an endless number of updates without breaking Solution 3 will require someone at the companty to hardcode the new styles every time they make a change, and if they don't, IE6 will break. Ironically the site, whilst needing to conform to IE6 in a limited manner, does not need to run wihtout javascript (they've made the call... have JS or go away), so consider all jQuery and JS solutions to be 'game on'. Did I mention how much i hate IE6? Anyway... any thoughts or comments would be appreciated. I will continue to develop my own solution and if I discover one that can be turned into a jQuery plugin I will post it here in the comments. Regards, Mike.

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• php script dies when it calls a bash script, maybe a problem of server configuration

  - by user347501

  Hi!!! I have some problems with a PHP script that calls a Bash script.... in the PHP script is uploaded a XML file, then the PHP script calls a Bash script that cut the file in portions (for example, is uploaded a XML file of 30,000 lines, so the Bash script cut the file in portions of 10,000 lines, so it will be 3 files of 10,000 each one) The file is uploaded, the Bash script cut the lines, but when the Bash script returns to the PHP script, the PHP script dies, & I dont know why... I tested the script in another server and it works fine... I dont believe that is a memory problem, maybe it is a processor problem, I dont know, I dont know what to do, what can I do??? (Im using the function shell_exec in PHP to call the Bash script) The error only happens if the XML file has more than 8,000 lines, but if the file has less then 8,000 everything is ok (this is relative, it depends of the amount of data, of strings, of letters that contains each line) what can you suggest me??? (sorry for my bad english, I have to practice a lot xD) I leave the code here PHP script (at the end, after the ?, there is html & javascript code, but it doesnt appear, only the javascript code... basically the html is only to upload the file) " . date('c') . ": $str"; $file = fopen("uploadxmltest.debug.txt","a"); fwrite($file,date('c') . ": $str\n"); fclose($file); } try{ if(is_uploaded_file($_FILES['tfile']['tmp_name'])){ debug("step 1: the file was uploaded"); $norg=date('y-m-d')."_".md5(microtime()); $nfle="testfiles/$norg.xml"; $ndir="testfiles/$norg"; $ndir2="testfiles/$norg"; if(move_uploaded_file($_FILES['tfile']['tmp_name'],"$nfle")){ debug("step 2: the file was moved to the directory"); debug("memory_get_usage(): " . memory_get_usage()); debug("memory_get_usage(true): " . memory_get_usage(true)); debug("memory_get_peak_usage(): " . memory_get_peak_usage()); debug("memory_get_peak_usage(true): " . memory_get_peak_usage(true)); $shll=shell_exec("./crm_cutfile_v2.sh \"$nfle\" \"$ndir\" \"$norg\" "); debug("result: $shll"); debug("memory_get_usage(): " . memory_get_usage()); debug("memory_get_usage(true): " . memory_get_usage(true)); debug("memory_get_peak_usage(): " . memory_get_peak_usage()); debug("memory_get_peak_usage(true): " . memory_get_peak_usage(true)); debug("step 3: the file was cutted. END"); } else{ debug("ERROR: I didnt move the file"); exit(); } } else{ debug("ERROR: I didnt upload the file"); //exit(); } } catch(Exception $e){ debug("Exception: " . $e-getMessage()); exit(); } ? Test function uploadFile(){ alert("start"); if(document.test.tfile.value==""){ alert("First you have to upload a file"); } else{ document.test.submit(); } } Bash script with AWK #!/bin/bash #For single messages (one message per contact) function cutfile(){ lines=$( cat "$1" | awk 'END {print NR}' ) fline="$4"; if [ -d "$2" ]; then exsts=1 else mkdir "$2" fi cp "$1" "$2/datasource.xml" cd "$2" i=1 contfile=1 while [ $i -le $lines ] do currentline=$( cat "datasource.xml" | awk -v fl=$i 'NR==fl {print $0}' ) #creates first file if [ $i -eq 1 ]; then echo "$fline" "$3_1.txt" else #creates the rest of files when there are more than 10,000 contacts rsd=$(( ( $i - 2 ) % 10000 )) if [ $rsd -eq 0 ]; then echo "" "$3_$contfile.txt" contfile=$(( $contfile + 1 )) echo "$fline" "$3_$contfile.txt" fi fi echo "$currentline" "$3_$contfile.txt" i=$(( $i + 1 )) done echo "" "$3_$contfile.txt" return 1 } #For multiple messages (one message for all contacts) function cutfile_multi(){ return 1 } cutfile "$1" "$2" "$3" "$4" echo 1 thanks!!!!! =D

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• Getting timing consistency in Linux

  - by Jim Hunziker

  I can't seem to get a simple program (with lots of memory access) to achieve consistent timing in Linux. I'm using a 2.6 kernel, and the program is being run on a dual-core processor with realtime priority. I'm trying to disable cache effects by declaring the memory arrays as volatile. Below are the results and the program. What are some possible sources of the outliers? Results: Number of trials: 100 Range: 0.021732s to 0.085596s Average Time: 0.058094s Standard Deviation: 0.006944s Extreme Outliers (2 SDs away from mean): 7 Average Time, excluding extreme outliers: 0.059273s Program: #include <stdio.h> #include <stdlib.h> #include <math.h> #include <sched.h> #include <sys/time.h> #define NUM_POINTS 5000000 #define REPS 100 unsigned long long getTimestamp() { unsigned long long usecCount; struct timeval timeVal; gettimeofday(&timeVal, 0); usecCount = timeVal.tv_sec * (unsigned long long) 1000000; usecCount += timeVal.tv_usec; return (usecCount); } double convertTimestampToSecs(unsigned long long timestamp) { return (timestamp / (double) 1000000); } int main(int argc, char* argv[]) { unsigned long long start, stop; double times[REPS]; double sum = 0; double scale, avg, newavg, median; double stddev = 0; double maxval = -1.0, minval = 1000000.0; int i, j, freq, count; int outliers = 0; struct sched_param sparam; sched_getparam(getpid(), &sparam); sparam.sched_priority = sched_get_priority_max(SCHED_FIFO); sched_setscheduler(getpid(), SCHED_FIFO, &sparam); volatile float* data; volatile float* results; data = calloc(NUM_POINTS, sizeof(float)); results = calloc(NUM_POINTS, sizeof(float)); for (i = 0; i < REPS; ++i) { start = getTimestamp(); for (j = 0; j < NUM_POINTS; ++j) { results[j] = data[j]; } stop = getTimestamp(); times[i] = convertTimestampToSecs(stop-start); } free(data); free(results); for (i = 0; i < REPS; i++) { sum += times[i]; if (times[i] > maxval) maxval = times[i]; if (times[i] < minval) minval = times[i]; } avg = sum/REPS; for (i = 0; i < REPS; i++) stddev += (times[i] - avg)*(times[i] - avg); stddev /= REPS; stddev = sqrt(stddev); for (i = 0; i < REPS; i++) { if (times[i] > avg + 2*stddev || times[i] < avg - 2*stddev) { sum -= times[i]; outliers++; } } newavg = sum/(REPS-outliers); printf("Number of trials: %d\n", REPS); printf("Range: %fs to %fs\n", minval, maxval); printf("Average Time: %fs\n", avg); printf("Standard Deviation: %fs\n", stddev); printf("Extreme Outliers (2 SDs away from mean): %d\n", outliers); printf("Average Time, excluding extreme outliers: %fs\n", newavg); return 0; }

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• GLSL Error: failed to preprocess the source. How can I troubleshoot this?

  - by Brent Parker

  I'm trying to learn to play with OpenGL GLSL shaders. I've written a very simple program to simply create a shader and compile it. However, whenever I get to the compile step, I get the error: Error: Preprocessor error Error: failed to preprocess the source. Here's my very simple code: #include <GL/gl.h> #include <GL/glu.h> #include <GL/glut.h> #include <GL/glext.h> #include <time.h> #include <stdio.h> #include <iostream> #include <stdlib.h> using namespace std; const int screenWidth = 640; const int screenHeight = 480; const GLchar* gravity_shader[] = { "#version 140" "uniform float t;" "uniform mat4 MVP;" "in vec4 pos;" "in vec4 vel;" "const vec4 g = vec4(0.0, 0.0, -9.80, 0.0);" "void main() {" " vec4 position = pos;" " position += t*vel + t*t*g;" " gl_Position = MVP * position;" "}" }; double pointX = (double)screenWidth/2.0; double pointY = (double)screenWidth/2.0; void initShader() { GLuint shader = glCreateShader(GL_VERTEX_SHADER); glShaderSource(shader, 1, gravity_shader, NULL); glCompileShader(shader); GLint compiled = true; glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled); if(!compiled) { GLint length; GLchar* log; glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &length); log = (GLchar*)malloc(length); glGetShaderInfoLog(shader, length, &length, log); std::cout << log <<std::endl; free(log); } exit(0); } bool myInit() { initShader(); glClearColor(1.0f, 1.0f, 1.0f, 0.0f); glColor3f(0.0f, 0.0f, 0.0f); glPointSize(1.0); glLineWidth(1.0f); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluOrtho2D(0.0, (GLdouble) screenWidth, 0.0, (GLdouble) screenHeight); glEnable(GL_DEPTH_TEST); return true; } int main(int argc, char** argv) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB); glutInitWindowSize(screenWidth, screenHeight); glutInitWindowPosition(100, 150); glutCreateWindow("Mouse Interaction Display"); myInit(); glutMainLoop(); return 0; } Where am I going wrong? If it helps, I am trying to do this on a Acer Aspire One with an atom processor and integrated Intel video running the latest Ubuntu. It's not very powerful, but then again, this is a very simple shader. Thanks a lot for taking a look!

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• Cannot Create New Team Project TFS2010 TF249063 TF218017

  - by Kodicus

  Server: Windows 2008 R2 Standard Team Foundation Server 2010 WSS 3.0 TFS Configuration: Single Server instalation (including SharePoint) The following error occurs when trying to create a new team project from my local machine. The ://sourcecontrol site and ://sourcecontrol/sites/DefaultCollection/ site appears to be functioning fine and my user is a Site collection administrator on both. I can navigate both sites through a browser on my local machine. Thanks for your help! 2010-04-23T10:01:42 | Module: Internal | Team Foundation Server proxy retrieved | Completion time: 0 seconds 2010-04-23T10:01:42 | Module: Wizard | Retrieved IAuthorizationService proxy | Completion time: 0 seconds 2010-04-23T10:01:42 | Module: Wizard | TF30227: Project creation permissions retrieved | Completion time: 0.109382 seconds 2010-04-23T10:01:42 | Module: Internal | The template information for Team Foundation Server "sourcecontrol\DefaultCollection" was retrieved from the Team Foundation Server. | Completion time: 0.15626 seconds ---begin Exception entry--- Time: 2010-04-23T10:03:24 Module: Wizard Exception Message: TF218017: A SharePoint site could not be created for use as the team project portal. The following error occurred: TF249063: The following Web service is not available: ://sourcecontrol/_vti_bin/TeamFoundationIntegrationService.asmx. This Web service is used for the Team Foundation Server Extensions for SharePoint Products. The underlying error is: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.. Verify that the following URL points to a valid SharePoint Web application and that the application is available: ://sourcecontrol. If the URL is correct and the Web application is operating normally, verify that a firewall is not blocking access to the Web application. (type TeamFoundationServerException) Exception Stack Trace: at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.CheckCreateSite(TfsTeamProjectCollection tfsServer, Uri adminUri, Uri siteUri) at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.ValidateSettings(ProjectCreationContext context) at Microsoft.VisualStudio.TeamFoundation.PortfolioProjectForm.OnFinish() Inner Exception Details: Exception Message: TF249063: The following Web service is not available: ://sourcecontrol/_vti_bin/TeamFoundationIntegrationService.asmx. This Web service is used for the Team Foundation Server Extensions for SharePoint Products. The underlying error is: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server.. Verify that the following URL points to a valid SharePoint Web application and that the application is available: ://sourcecontrol. If the URL is correct and the Web application is operating normally, verify that a firewall is not blocking access to the Web application. (type TeamFoundationServiceUnavailableException) Exception Stack Trace: at Microsoft.TeamFoundation.Client.SharePoint.SharePointTeamFoundationIntegrationService.HandleException(Exception e) at Microsoft.TeamFoundation.Client.SharePoint.SharePointTeamFoundationIntegrationService.CheckUrl(String absolutePath, CheckUrlOptions options, Guid configurationServerId, Guid projectCollectionId) at Microsoft.TeamFoundation.Client.SharePoint.WssUtilities.CheckUrl(ICredentials credentials, Uri adminUrl, Uri siteUrl, CheckUrlOptions options, Guid configurationServerId, Guid projectCollectionId) at Microsoft.TeamFoundation.Client.SharePoint.WssUtilities.CheckCreateSite(TfsConnection tfs, Uri adminUrl, Uri siteUrl) at Microsoft.VisualStudio.TeamFoundation.WssSiteCreator.CheckCreateSite(TfsTeamProjectCollection tfsServer, Uri adminUri, Uri siteUri) Inner Exception Details: Exception Message: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server. (type WebException) Exception Stack Trace: at System.Net.WebRequest.GetResponse() at Microsoft.TeamFoundation.Client.TeamFoundationClientProxyBase.AsyncWebRequest.ExecRequest(Object obj) Inner Exception Details: Exception Message: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. (type IOException) Exception Stack Trace: at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.PooledStream.Read(Byte[] buffer, Int32 offset, Int32 size) at System.Net.Connection.SyncRead(WebRequest request, Boolean userRetrievedStream, Boolean probeRead) Inner Exception Details: Exception Message: An existing connection was forcibly closed by the remote host (type SocketException) Exception Stack Trace: at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size) --- end Exception entry ---

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• packet mmap send packet format

  - by SeregASM

  I want to improve packet transmitting performance. Before that I used raw sockets and now I study packet_mmap. I have packets(frames) which I already captured from kernel module from another PC, put to current PC and now I want to retransmit them to local interface with following forwarding. I have got example of packet_mmap, integrated it to my project, but I send fd_socket = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL)); memset(&my_addr, 0, sizeof(struct sockaddr_ll)); my_addr.sll_family = PF_PACKET; my_addr.sll_protocol = htons(ETH_P_ALL); strcpy(str_devname, "eth0"); strncpy(s_ifr.ifr_name, str_devname, sizeof(s_ifr.ifr_name)); ec = ioctl(fd_socket, SIOCGIFINDEX, &s_ifr); i_ifindex = s_ifr.ifr_ifindex; memset(&my_addr, 0, sizeof(struct sockaddr_ll)); my_addr.sll_family = AF_PACKET; my_addr.sll_protocol = ETH_P_ALL; my_addr.sll_ifindex = i_ifindex; bind(fd_socket, (struct sockaddr *) &my_addr, sizeof(struct sockaddr_ll) s_packet_req.tp_block_size = c_buffer_sz; s_packet_req.tp_frame_size = c_buffer_sz; s_packet_req.tp_block_nr = c_buffer_nb; s_packet_req.tp_frame_nr = c_buffer_nb; size = s_packet_req.tp_block_size * s_packet_req.tp_block_nr; if (setsockopt(fd_socket, SOL_PACKET, PACKET_TX_RING, (char *) &s_packet_req, sizeof(s_packet_req)) < 0) { perror("setsockopt: PACKET_TX_RING"); return; } if (c_sndbuf_sz) { printf("send buff size = %d\n", c_sndbuf_sz); if (setsockopt(fd_socket, SOL_SOCKET, SO_SNDBUF, &c_sndbuf_sz, sizeof(c_sndbuf_sz)) < 0){ perror("getsockopt: SO_SNDBUF"); exit(1); } } data_offset = TPACKET_HDRLEN - sizeof(struct sockaddr_ll); printf("data offset = %d bytes\n", data_offset); ps_header_start = (tpacket_hdr *) mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd_socket, 0); if (ps_header_start == (void*) -1) { perror("mmap"); exit(1); } Then I fill data ps_header = ((struct tpacket_hdr *) ((char *) ps_header_start + (c_buffer_sz * i_index))); if (!ps_header) { perror("ps_header") ; return NULL; } data = ((char*) ps_header) + data_offset; switch ((volatile uint32_t) ps_header->tp_status) { case TP_STATUS_AVAILABLE: printf("TP_STATUS_AVAILABLE, index=%d\n",i_index) ; memcpy(data, packet_data, size); pthread_mutex_lock(&index_locker) ; i_index++; pthread_mutex_unlock(&index_locker) ; if (i_index >= c_buffer_nb) { i_index = 0; first_loop = 0; } /* update packet len */ ps_header->tp_len = size; /* set header flag to USER (trigs xmit)*/ ps_header->tp_status = TP_STATUS_SEND_REQUEST; then I send ec_send = sendto(fd_socket, NULL, 0, 0, (struct sockaddr *) ps_sockaddr, sizeof(struct sockaddr_ll)); I have got no errors, ec_send=not null size of sended data. But there are no data routed to destination host. So, I ask - what data I should pass to ring buffer, now I include headers ip,tcp, should I include MAC header? - May be I have to set additional flags to route my packets.

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