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• ospfd over an OpenVPN link - strange error in logs

  - by Alex

  I am trying to set up Quagga ospfd on two hosts connected by an OpenVPN link. These hosts have VPN IPs 10.31.0.1 and 10.31.0.13. ospfd config is pretty simple: hostname bizon password xxxxxxxxx enable password xxxxxxxxx ! log file /var/log/quagga/ospfd.log ! interface lo ! interface tun0 ip ospf network point-to-point ip ospf mtu-ignore ip ospf cost 10 interface tun1 ip ospf network point-to-point ip ospf mtu-ignore ip ospf cost 10 interface tun2 ip ospf network point-to-point ip ospf mtu-ignore ip ospf cost 10 ! router ospf ospf router-id 10.31.0.1 network 10.31.0.0/16 area 0.0.0.0 network 10.119.2.0/24 area 0.0.0.0 redistribute connected area 0.0.0.0 range 10.0.0.0/8 ! line vty ! debug ospf event debug ospf packet all I am getting the following error in the ospfd.log (the log is from 10.31.0.13): 2012/10/05 01:25:28 OSPF: ip_v 4 2012/10/05 01:25:28 OSPF: ip_hl 5 2012/10/05 01:25:28 OSPF: ip_tos 192 2012/10/05 01:25:28 OSPF: ip_len 64 2012/10/05 01:25:28 OSPF: ip_id 64666 2012/10/05 01:25:28 OSPF: ip_off 0 2012/10/05 01:25:28 OSPF: ip_ttl 1 2012/10/05 01:25:28 OSPF: ip_p 89 2012/10/05 01:25:28 OSPF: ip_sum 0xe5d1 2012/10/05 01:25:28 OSPF: ip_src 10.31.0.1 2012/10/05 01:25:28 OSPF: ip_dst 224.0.0.5 2012/10/05 01:25:28 OSPF: Packet from [10.31.0.1] received on link tun1 but no ospf_interface I'm not sure what to do next. I have set up ospfd over OpenVPN several times but I used Debian and I am on CentOS 6 now. Quagga version is 0.99.15. Should I try to get more recent version?

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• Mac Mini's internet very slow, every other device fine (PC, iPhone, Xbox 360)

  - by alex

  I recently haven't used my Mac Mini for about 5 days (however it was left on). I seem to be able to connect and get great download / upload speeds through my PC, Xbox 360, iPhone and parents' laptop. However, my Mac Mini is very slow. OS X's Mail.app is downloading mail at 0.4kbps and then dropping to 0. Skype file transfers are doing the same. Browsing the net is a terrible experience. It is taking 30 seconds or more to download basic pages. All of my devices connect wirelessly to a Netgear router / modem. I have tried giving the Mac Mini a manual IP, and renew DHCP lease, as well as flush DNS in Terminal. I have also rebooted the router / modem twice, and the Mac Mini twice. Do you know what could be causing this? Thanks Update This is very weird. It is also very slow accessing localhost (setup through MAMP) and also slow to access the Netgear router config pages.

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• Ubuntu Pound Reverse Proxy Load Balancing Based off active server load?

  - by Andrew

  I have Pound installed on a loadbalancer. It seems to work okay, except that it randomly assigns the backend server to forward the request to. I've put 1 backend machine under so much load that it went into using swap, and I can't even ssh into it to test this scenareo. I would like the loadbalancer to realize that the machine is overloaded, and send it to a different backend machine. However it doesn't. I've read the man page and it seems like the directive "DynScale 1" is what would monitor this, but it still redirects to the overloaded server. I've also put in "HAport 22" to the backend figuring since I can't ssh in, neither could the loadbalancer and it would consider the backend server dead until it gets rid of the load and responds, but that didn't help either. If anyone could help with this, I'd appreciate it. My current config is below. ###################################################################### ## global options: User "www-data" Group "www-data" #RootJail "/chroot/pound" ## Logging: (goes to syslog by default) ## 0 no logging ## 1 normal ## 2 extended ## 3 Apache-style (common log format) LogLevel 3 ## check backend every X secs: Alive 5 DynScale 1 Client 1200 TimeOut 1500 # poundctl control socket Control "/var/run/pound/poundctl.socket" ###################################################################### ## listen, redirect and ... to: ## redirect all requests on port 80 to SSL ListenHTTP Address 192.168.1.XX Port 80 Service Redirect "https://xxx.com/" End End ListenHTTPS Address 192.168.1.XX Port 443 Cert "/files/www.xxx.com.pem" Service BackEnd Address 192.168.1.1 Port 80 HAport 22 End BackEnd Address 192.168.1.2 Port 80 HAport 22 End End End

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• How do I make Nginx redirect all requests for files which do not exist to a single php file?

  - by Richard

  I have the following nginx vhost config: server { listen 80 default_server; access_log /path/to/site/dir/logs/access.log; error_log /path/to/site/dir/logs/error.log; root /path/to/site/dir/webroot; index index.php index.html; try_files $uri /index.php; location ~ \.php$ { if (!-f $request_filename) { return 404; } fastcgi_pass localhost:9000; fastcgi_param SCRIPT_FILENAME /path/to/site/dir/webroot$fastcgi_script_name; include /path/to/nginx/conf/fastcgi_params; } } I want to redirect all requests that don't match files which exist to index.php. This works fine for most URIs at the moment, for example: example.com/asd example.com/asd/123/1.txt Neither of asd or asd/123/1.txt exist so they get redirected to index.php and that works fine. However, if I put in the url example.com/asd.php, it tries to look for asd.php and when it can't find it, it returns 404 instead of sending the request to index.php. Is there a way to get asd.php to be also sent to index.php if asd.php doesn't exist?

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• There's no sound on Ubuntu with an Intel HDA onboard chip and Realtek ALC1200 codec.

  - by Hanno Fietz

  For a while now, my sound has not been working in Ubuntu. It used to play OK, but after some upgrade (might have been distro upgrade to 9.10), it stopped working. I'm currently running 10.04 on an amd64 architecture. I'm using the builtin audio on a Foxconn motherboard, it's an ATI / Intel HDA chip with an Azalia controller, apparently it's using the Realtek ALC1200 codec. All the gory details here. I found a nice sound troubleshooting tutorial here, which is well-written and pretty extensive, however, I fail to look up the supported "models" for my soundcard. The troubleshooting page says to look for a section giving the codec used by your soundcard, which looks like this for me: !!HDA-Intel Codec information !!--------------------------- --startcollapse-- Codec: Realtek ALC1200 Then, I'm supposed to lookup the models for that codec in the file Documentation/ALSA-Configuration.txt in the appropriate directory of ALSA's git repository. Mine actually pointed me to a separate file, Documentation/HD-Audio-Models.txt, which, for my driver version is located here and contains no section related to ALC1200 codecs. I tried putting the driver options probe-mask=1 and model=auto in a config file for modprobe, as suggested elsewhere, but this just lead to snd-hda-intel not able to load at all anymore. I also tried installing the linux-backports-modules-alsa package for my kernel, because the description sounded promising, but that didn't change anything, either.

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• Utility to LOGICALLY compare two xml files?

  - by Matthew

  Right now we are attempting to build golden configurations for our environment. One piece of software that we use relies on large XML files to contain the bulk of its configuration. We want tot ake our lab environment, catalog it as our "golden configuration" and then be able to audit against that configuration in the future. Since diff is bytewise comparison and NOT logical comparison, we can't use it to compare files in this case (XML is unordered, so it won't work). What I am looking for is something that can parse the two XML files, and compare them element by element. So far we have yet to find any utilities that can do this. OS doesn't matter, I can do it on anything where it will work. The preference is something off the shelf. Any ideas? Edit: One issue we have run into is one vendor's config files will occasionally mention the same element several times, each time with different attributes. Whatever diff utility we use would need to be able to identify either the set of attributes or identify them all as part of one element. Tall order :)

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• Cisco Catalyst 3550 + Alteon 184 Load-Balancing Issues...

  - by upkels

  I have just deployed a couple Cisco Catalyst 3550 switches, and a couple Alteon 184 Web Switches for load-balancing. I can ping all RIPs and VIPs to/from the Alteon. Topology Before: (server) <- (Alteon) <- (Internet) Topology Now: (server) <- (3550) <- Alteon <- (Internet) Cisco Port Configuration (Alteon Uplink Port): description LB_1_PORT_9_PRIMARY switchport access vlan 10 switchport mode access switchport nonegotiate speed 100 duplex full Alteon Port 9 Configuration (VLAN 10 WAN): >> Main# /c/port 9/cur Current Port 9 configuration: enabled pref fast, backup gig, PVID 10, BW Contract 1024 name UPLINK >> Main# /c/port 9/fast/cur Current Port 9 Fast link configuration: speed 100, mode full duplex, fctl none, auto off Cisco Configuration (Load-Balanced Servers Port): description LB_1_PORT_1_PRIMARY switchport access vlan 30 switchport mode access switchport nonegotiate speed 100 duplex full Alteon Port 1 Configuration (VLAN 30 LOAD-BALANCED LAN): >> Main# /c/port 1/cur Current Port 1 configuration: enabled pref fast, backup gig, PVID 30, BW Contract 1024 name LB_PORT_1 >> Main# /c/port 1/fast/cur Current Port 1 Fast link configuration: speed 100, mode full duplex, fctl both, auto on Each of my servers are on vlan 10 and 30, properly communicating. I have tried to turn on VLAN tagging on the Alteon, however it seems to cause all communications to stop working. When I tcpdump -i vlan30 on any of the webservers, I see normal ARP communications, and some STP communications, which may or may not be part of the problem: ... 15:00:51.035882 STP 802.1d, Config, Flags [none], bridge-id 801e.00:11:5c:62:fe:80.8041, length 42 15:00:51.493154 IP 10.1.1.254.33923 > 10.1.1.1.http: Flags [S], seq 707324510, win 8760, options [mss 1460], length 0 15:00:51.493336 IP 10.1.1.1.http > 10.1.1.254.33923: Flags [S.], seq 3981707623, ack 707324511, win 65535, options [mss 1460], len gth 0 15:00:51.493778 ARP, Request who-has 10.1.3.1 tell 10.1.3.254, length 46 etc... I'm not sure if I've provided enough information, so please let me know if any more is necessary. Thank you!

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• Network Misconfiguration when adding first host to new vSphere cluster

  - by dunxd

  I am building a new vSphere cluster from scratch. I have installed ESXi on the first host, and built a vCenter server on a VM residing on that host (storage is on the local hard drive, although we have iSCSI targets which I can reach from the host). The cluster is configured for HA. When I try and add the host to the cluster, I get an error at the point where HA is configured - Cannot complete the . I have stripped the network configuration of the host down to the most basic - a single NIC attached to a single vSwitch - this is running the VMKernel Port on VLAN 8 - that is our Management VLAN. The vCenter server will have a network address on this VLAN, so I also set the initial Virtual Machine Port Group to this VLAN, and connected the vCenter server NIC to this port group. I understand I can't connect the vCenter server to the VMkernel port group, but shouldn't I be able to connect the vCenter server to a Port Group in the same VLAN? If not, do I need to create a VLAN specifically for VMKernel Port Group? I plan to set up another port group for vMotion with a dedicated and isolated VLAN (i.e. VLAN isn't routed) so this wouldn't allow vCenter to communicate. Does anyone have any suggestions, or other ideas for what might be causing the problem. I've read through the documentation, but it isn't giving me any pointers, and the error message isn't helping me beyond telling me something is wrong with my network config.

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• Unable to understand why Alfresco doesn't start on Tomcat

  - by Infernalsirius

  I have a problem that I've been inspecting for a while now, googling and everything but could not begin to understand. I'm really not used to java, even less tomcat. So there it is. First, the setup. Centos 5.3 on a virtualized server. Bitnami Native Alfresco stack (tomcat5.5, mysql5, java, javajdk, JDBC) Content of catalina.log. Since it's the shortest and where I found my first clue to what is going wrong: SEVERE: Error listenerStart Aug 27, 2009 5:32:58 PM org.apache.coyote.http11.Http11BaseProtocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:32:58 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 229 ms Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/5.5.25 Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardHost start INFO: XML validation disabled Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/alfresco] startup failed due to previous errors Aug 27, 2009 5:34:48 PM org.apache.coyote.http11.Http11BaseProtocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:34:48 PM org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening on /0.0.0.0:8009 Aug 27, 2009 5:34:48 PM org.apache.jk.server.JkMain start INFO: Jk running ID=0 time=0/11 config=null Aug 27, 2009 5:34:48 PM org.apache.catalina.storeconfig.StoreLoader load INFO: Find registry server-registry.xml at classpath resource Aug 27, 2009 5:34:48 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 110327 ms Aug 27, 2009 5:38:27 PM org.apache.coyote.http11.Http11BaseProtocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:38:28 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Aug 27, 2009 5:38:29 PM org.apache.coyote.http11.Http11BaseProtocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 There's the content of catalina.out, it seems to be a stack trace or application trace of the error, is that right? Catalina.out gist on github There is a 404 error telling me this: The requested resource (/alfresco/) is not available. This is it. I think.

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• Shrink a Volume Group in LVM / Linux in order to install Windows on the freed space

  - by Stephan Kristyn

  I have a Volume Group with Unused space. This 40Gig should become an entidy in order to install Microsoft windows 7 on it. I do not have extra space on the drive - that is why I want to shrink the VG! LVG berta resides on sda2 and consists of lv_root lv_swap unused_space I want it to become lv_root lv_swap and have a seperate entidy made out of unused_space. Microsoft Windows 7 has to get installed on this entidy. I do not understand why Linux made simple things complicated. I utterly hate LVM and think its absolute bollocks. Useful Sources: http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-system-config-lvm.html Edit: I found the answer. The necessary steps depict how complicated LVM really is. In my opinion it is best to avoiding LVM until pvresize matures as promised in its man pages. Answer: http://fedorasolved.org/Members/zcat/shrink-lvm-for-new-partition If you run into problems when you want to remove lvswap even if in resuce mode, then try swapoff /dev/vg_1/lv_swap lvchange -an /dev/vg_1/lv_swap

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• Can Xen be configured to dedicate only one port of a dual-port NIC to a domU?

  - by jamieb

  I'm using CentOS 5.4 on my dom0 with a stock Xen kernel. I'm attempting to use the pciback module to hide some of the Ethernet ports from the host and reserve them for a domU I intend to use for a firewall (process described here). However, when I launch the domU, I get the following error message: Using config file "/etc/xen/firewall". Error: pci: improper device assignment specified: pci: 0000:01:04.0 must be co-assigned to the same guest with 0000:01:06.0, but it is not owned by pciback. lspci gives me the following output: 00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02) 00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 01) 00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 01) 00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 01) 00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 01) 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1) 00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01) 00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA IDE Controller (rev 01) 00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01) 01:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 01:06.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) 01:07.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) From the sound of the error message, it seems like I also need to dedicate eth0 (PCI ID 01:04.0) to the domU. Am I correct? If not, what am I doing wrong? Thanks!

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• 403 Forbidden error on Mac OSX - Apache and nginx

  - by tlianza

  Hi All, There are a million questions like this on Google, but I haven't found a solution to my problem. The default Apache install on my Mac is giving 403 Forbidden errors for everything (default directory, user home directory, virtual server, etc). After sifting through the config files, I figured I'd give nginx a try. Nginx serves files fine from it's home directory, but it won't serve files from a subfolder of my user directory. I've configured a simple virtual host, and requesting index.html returns a 403-forbidden. The error message in nginx's log file is pretty clear - it can't read the file: 2011/01/04 16:13:54 [error] 96440#0: *11 open() "/Users/me/Documents/workspace/mobile/index.html" failed (13: Permission denied), client: 127.0.0.1, server: local.test.com, request: "GET /index.html HTTP/1.1", host: "local.test.com" I've opened up this directory to everyone: drwxrwxrwx 6 me admin 204B Dec 31 20:49 mobile And all the files in it: $ ls -lah mobile/ total 24 drwxrwxrwx 6 me admin 204B Dec 31 20:49 . drwxr-xr-x 71 me me 2.4K Dec 31 20:41 .. -rw-r--r--@ 1 me me 6.0K Jan 2 18:58 .DS_Store -rwxrwxrwx 1 me admin 2.1K Jan 4 14:22 index.html drwxrwxrwx 5 me admin 170B Dec 31 20:45 nbproject drwxrwxrwx 5 me admin 170B Jan 2 18:58 script And yet, I cannot figure out why the nginx process cannot read index.html. It's running as the "nobody" user, but the permissions are set such that anyone can read them.

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• Cisco ASA 8.2 ACL For NAT

  - by javano

  Sadly I have gone back in time to ASA 8.2(5)33 which I am not so familiar with. I have configured NAT between two interfaces but traffic isn't passing becasue I can't get the ACL to work; (The full config which isn't very big is here but to keep this post tidy I have just pasted the important parts below); interface Ethernet0/0 switchport access vlan 108 ! interface Ethernet0/6 switchport access vlan 104 ! interface Ethernet0/7 switchport access vlan 105 ! interface Vlan104 description BUILDING2 nameif BUILDING2 security-level 0 ip address 10.104.0.1 255.255.255.0 ! interface Vlan105 description BUILDING1 nameif BUILDING1 security-level 0 ip address 10.105.0.1 255.255.255.0 ! interface Vlan108 description Main LAN VLAN nameif lan security-level 0 ip address 172.22.0.215 255.255.255.0 ! object-group network obj_net_Remote_Hosts network-object host 111.111.111.3 network-object host 111.111.111.65 object-group network obj_host_pc1_eth1 network-object host 10.104.0.111 object-group network obj_host_pc2_eth1 network-object host 10.104.0.112 object-group network obj_host_pc3_eth1 network-object host 10.104.0.106 object-group network obj_host_pc4_eth1 network-object host 10.104.0.107 object-group network obj_net_PCs description IPs of PCs group-object obj_host_pc1_eth1 group-object obj_host_pc2_eth1 group-object obj_host_pc3_eth1 group-object obj_host_pc4_eth1 access-list acl_NAT_pc1_91 extended permit tcp host 10.104.0.111 host 111.111.111.3 eq 8101 access-list acl_Permit_PCs extended permit tcp object-group obj_net_PCs object-group obj_net_Remote_Hosts eq 8101 ! global (BUILDING1) 11 111.111.222.91 netmask 255.255.255.255 nat (BUILDING2) 11 access-list acl_NAT_pc1_91 access-group acl_Permit_PCs in interface BUILDING2 route BUILDING1 111.111.111.3 255.255.255.255 10.105.0.2 1 route BUILDING1 111.111.111.65 255.255.255.255 10.105.0.2 1 When I try and connect from PC1 to ip 111.111.111.3 I see the following error logged on the ASA console; %ASA-2-106001: Inbound TCP connection denied from 10.104.0.111/38495 to 111.111.111.3/8101 flags SYN on interface blades What the duce!

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• Send Apache Access Logs to syslog

  - by Seer

  We have IBM HTTP Servers (Based on Apache 2.0) and want to send the access logs to syslog. (in addition to error logs which does work) The config we are using is as follows: ErrorLog "|/HTTPServer/bin/rotatelogs /archive/http/error_log.%Y%m%d 86400 | /usr/bin/logger -t httpd -plocal6.err" LogLevel warn LogFormat "%h %{True-Client-IP}i %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %D \"%{Host}i\" %v" combined LogFormat "%h %l %u %t \"%r\" %>s %b" common LogFormat "%{Referer}i -> %U" referer LogFormat "%{User-agent}i" agent CustomLog "|exec /usr/bin/logger -t ptseelm-ax3004 -i -p local6.notice" combined But the logs entries don't even appear in the local syslog.out here is what the processes look like: ps -ef | grep httpd apache 6226000 8388618 0 09:04:01 - 0:00 /HTTPServer/bin/httpd -d /HTTPServer -k start apache 6750220 8388618 0 09:04:01 - 0:00 /HTTPServer/bin/httpd -d /HTTPServer -k start apache 7602390 8388618 0 09:04:01 - 0:00 /HTTPServer/bin/httpd -d /HTTPServer -k start root 8388618 1 0 09:04:01 - 0:00 /HTTPServer/bin/httpd -d /HTTPServer -k start root 9044038 8388618 0 09:04:01 - 0:00 /usr/bin/logger -t httpd -plocal6.err So there is no logger attached to the child processes... is that the problem? Can someone help me out? :) We have the following in syslog.conf: local6.* @somerealipaddress

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• Cannot change PostgreSQL port

  - by Jerec TheSith

  I run Postgresql 8.4 as a service on a CentOS 6.2 server. I set port = 21444 and listen_addresses = '*' in /var/lib/pgsql/data/postgresql.conf and I changed 5432 to 21444 in postmaster.opts and restarted postgres, but when I run netstat -lntp postgresql is still running on port 5432 tcp 0 0 0.0.0.0:5432 0.0.0.0:* LISTEN 20276/postmaster When I restart postgresql I get a writting error warning on /proc/self/oom_adj, but the service starts anyway. I read that we could get this error when using virtualized servers, but I don't really know if this has inpact on postgresql listening port. The correct pgsql config file is loaded in /var/lib/pgsql/data : [root@srv02 ~]# ps -ef | grep postgres root 1358 22140 0 09:42 pts/0 00:00:00 grep postgres postgres 9519 1 0 Mar16 ? 00:00:01 /usr/bin/postmaster -p 5432 -D /var/lib/pgsql/data postgres 9573 9519 0 Mar16 ? 00:00:00 postgres: logger process postgres 9575 9519 0 Mar16 ? 00:00:05 postgres: writer process postgres 9576 9519 0 Mar16 ? 00:00:03 postgres: wal writer process postgres 9577 9519 0 Mar16 ? 00:00:01 postgres: autovacuum launcher process postgres 9578 9519 0 Mar16 ? 00:00:01 postgres: stats collector process any thought ? thanks, Jerec

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• mysqld refusing connections from localhost

  - by Dennis Rardin

  My mail server (Ubuntu 10.04) uses mysql for virtual domains, virtual users. For some reason, mysqld has started refusing connections from localhost. I see these in the mail server log: Oct 6 00:31:14 apollo postfix/trivial-rewrite[16888]: fatal: proxy:mysql:/etc/postfix/mysql-virtual_domains.cf(0,lock|fold_fix): table lookup problem and: Oct 7 13:39:15 apollo postfix/proxymap[25839]: warning: connect to mysql server 127.0.0.1: Lost connection to MySQL server at 'reading initial communication packet', system error: 0 I also get the following in auth.log: Oct 6 22:33:31 apollo mysqld[31775]: refused connect from 127.0.0.1 Telnet to the local port: root@apollo:/var/log/mysql# telnet localhost 3306 Trying ::1... Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. Connection closed by foreign host. root@apollo:/var/log/mysql# I am not sure why this started happening, but there was a disk failure in a RAID 1 pair a bit earlier that day. So it's possible I have a damaged config file or something. But mail was working for at least an hour after the drive event, so who knows for sure? phpmyadmin works fine, and the databases themselves look like they're intact. I think/believe that selinux and iptables are disabled and not running. So ... why is mysqld refusing connections from localhost? What should I check? What processes might cause this if a .conf file or possibly a binary was damaged? Which other log files might contain clues? I've enabled "general logging" in /etc/mysql/my.cnf, but I get no interesting or informative entries there. Thanks, m00tpoint

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• postfix (for sending mail only) multiple domain setup

  - by seanl

  I have the following problem, I have a Centos 5.4 VPS hosting a few nginx sites (some static, some cakephp), I would like to be able to send email from each sites contact page through postfix to my google apps hosted email (different accounts for each site) so that apps can then send out an auto email to the person filling in the contact form etc I have a bare-bones postfix installation with the following added into the main.cf config file. from using this guide virtual_alias_domains = hash:/etc/postfix/virtual_alias_domains virtual_alias_maps = hash:/etc/postfix/virtual_alias_maps (both of these files have been converted into db files using postmap) I have configured DNS correctly for each site and setup SPF records. (I'm aware R-DNS will still reference my actual hostname not the domain name and cause a possible spam issue but one thing at a time) I can telnet localhost and the helo localhost so that I can send a command line email from an address in the virtual_alias_domains to an email in the virtual_alias_maps file which seems sends without giving an error but it is sending to my local linux account not the email address specified. my question is am i approching this the wrong way in terms of the virtual alias mapping or is this even possible to do in the manner im trying. Any help is greatly appreciated thanks. my postconf -n outlook looks like this alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 html_directory = no inet_interfaces = localhost mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost myhostname = myactual hostname mynetworks = 127.0.0.0/8 myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES sample_directory = /usr/share/doc/postfix-2.3.3/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop unknown_local_recipient_reject_code = 550 virtual_alias_domains = hash:/etc/postfix/virtual_alias_domains virtual_alias_maps = hash:/etc/postfix/virtual_alias_maps

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• Installing mod_pagespeed (Apache module) on CentOS

  - by Sid B

  I have a CentOS (5.7 Final) system on which I already have Apache (2.2.3) installed. I have installed mod_pagespeed by following the instructions on: http://code.google.com/speed/page-speed/download.html and got the following while installing: # rpm -U mod-pagespeed-*.rpm warning: mod-pagespeed-beta_current_x86_64.rpm: Header V4 DSA signature: NOKEY, key ID 7fac5991 [ OK ] atd: [ OK ] It does appear to be installed properly: # apachectl -t -D DUMP_MODULES Loaded Modules: ... pagespeed_module (shared) And I've made the following changes in /etc/httpd/conf.d/pagespeed.conf Added: ModPagespeedEnableFilters collapse_whitespace,elide_attributes ModPagespeedEnableFilters combine_css,rewrite_css,move_css_to_head,inline_css ModPagespeedEnableFilters rewrite_javascript,inline_javascript ModPagespeedEnableFilters rewrite_images,insert_img_dimensions ModPagespeedEnableFilters extend_cache ModPagespeedEnableFilters remove_quotes,remove_comments ModPagespeedEnableFilters add_instrumentation Commented out the following lines in mod_pagespeed_statistics <Location /mod_pagespeed_statistics> **# Order allow,deny** # You may insert other "Allow from" lines to add hosts you want to # allow to look at generated statistics. Another possibility is # to comment out the "Order" and "Allow" options from the config # file, to allow any client that can reach your server to examine # statistics. This might be appropriate in an experimental setup or # if the Apache server is protected by a reverse proxy that will # filter URLs in some fashion. **# Allow from localhost** **# Allow from 127.0.0.1** SetHandler mod_pagespeed_statistics </Location> As a separate note, I'm trying to run the prescribed system tests as specified on google's site, but it gives the following error. I'm averse to updating wget on my server, as I'm sure there's no need for it for the actual module to function correctly. ./system_test.sh www.domain.com You have the wrong version of wget. 1.12 is required.

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• jdbc4 CommunicationsException

  - by letronje

  I have a machine running a java app talking to a mysql instance running on the same instance. the app uses jdbc4 drivers from mysql. I keep getting com.mysql.jdbc.exceptions.jdbc4.CommunicationsException at random times. Here is the whole message. Could not open JDBC Connection for transaction; nested exception is com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was25899 milliseconds ago.The last packet sent successfully to the server was 25899 milliseconds ago, which is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. For mysql, the value of global 'wait_timeout' and 'interactive_timeout' is set to 3600 seconds and 'connect_timeout' is set to 60 secs. the wait timeout value is much higher than the 26 secs(25899 msecs). mentioned in the exception trace. I use dbcp for connection pooling and here is spring bean config for the datasource. <bean id="dataSource" destroy-method="close" class="org.apache.commons.dbcp.BasicDataSource" > <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://localhost:3306/db"/> <property name="username" value="xxx"/> <property name="password" value="xxx" /> <property name="poolPreparedStatements" value="false" /> <property name="maxActive" value="3" /> <property name="maxIdle" value="3" /> </bean> Any idea why this could be happening? Will using c3p0 solve the problem ?

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• How to get automatic upgrades to work on Ubuntu Server?

  - by J. Pablo Fernández

  I followed the documentation for enabling automatic upgrades in Ubuntu servers, but it's not really updating anything at all. My /etc/apt/apt.conf.d/50unattended-upgrades looks almost like the default. // Automatically upgrade packages from these (origin, archive) pairs Unattended-Upgrade::Allowed-Origins { "Ubuntu karmic-security"; "Ubuntu karmic-updates"; }; // List of packages to not update Unattended-Upgrade::Package-Blacklist { // "vim"; // "libc6"; // "libc6-dev"; // "libc6-i686"; }; // Send email to this address for problems or packages upgrades // If empty or unset then no email is sent, make sure that you // have a working mail setup on your system. The package 'mailx' // must be installed or anything that provides /usr/bin/mail. Unattended-Upgrade::Mail "[email protected]"; // Automatically reboot *WITHOUT CONFIRMATION* if a // the file /var/run/reboot-required is found after the upgrade //Unattended-Upgrade::Automatic-Reboot "false"; The directory /var/log/unattended-upgrades/ is empty. Running /etc/init.d/unattended-upgrades start is not very nice: root@mozart:~# /etc/init.d/unattended-upgrades start Checking for running unattended-upgrades: root@mozart:~# Something seems to be broken, but I'm not sure why. I have pending updates and they are not being applied: root@mozart:~# aptitude safe-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done The following packages will be upgraded: linux-libc-dev 1 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0B/743kB of archives. After unpacking 4096B will be used. Do you want to continue? [Y/n/?] In all the servers I have, unattended upgrades seems to have been disabled: root@mozart:~# apt-config shell UnattendedUpgradeInterval APT::Periodic::Unattended-Upgrade root@mozart:~# Any ideas what am I missing?

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• Linux authentication via ADS -- allowing only specific groups in PAM

  - by Kenaniah

  I'm taking the samba / winbind / PAM route to authenticate users on our linux servers from our Active Directory domain. Everything works, but I want to limit what AD groups are allowed to authenticate. Winbind / PAM currently allows any enabled user account in the active directory, and pam_winbind.so doesn't seem to heed the require_membership_of=MYDOMAIN\\mygroup parameter. Doesn't matter if I set it in the /etc/pam.d/system-auth or /etc/security/pam_winbind.conf files. How can I force winbind to honor the require_membership_of setting? Using CentOS 5.5 with up-to-date packages. Update: turns out that PAM always allows root to pass through auth, by virtue of the fact that it's root. So as long as the account exists, root will pass auth. Any other account is subjected to the auth constraints. Update 2: require_membership_of seems to be working, except for when the requesting user has the root uid. In that case, the login succeeds regardless of the require_membership_of setting. This is not an issue for any other account. How can I configure PAM to force the require_membership_of check even when the current user is root? Current PAM config is below: auth sufficient pam_winbind.so auth sufficient pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 500 quiet auth required pam_deny.so account sufficient pam_winbind.so account sufficient pam_localuser.so account required pam_unix.so broken_shadow password ..... (excluded for brevity) session required pam_winbind.so session required pam_mkhomedir.so skel=/etc/skel umask=0077 session required pam_limits.so session required pam_unix.so require_memebership_of is currently set in the /etc/security/pam_winbind.conf file, and is working (except for the root case outlined above).

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• Why apache throws 403 on index file after install?

  - by den-javamaniac

  Hi. I've just installed apache and php from sources using next commands: ./configure --prefix="/mnt/workspace/servers/web/apache-2.2.17" \ --enable-info --enable-rewrite --enable-usertrack --enable-mime-magic for apache and ./configure --with-apxs2=/mnt/workspace/servers/web/apache-2.2.17/bin/apxs \ --prefix=/mnt/workspace/servers/web/apache-2.2.17/php \ --with-config-file-path=/mnt/workspace/servers/web/apache-2.2.17/php \ --with-mysql=mysqlnd for php. After adjusting configuration (httpd.conf) and starting apache it gives a 403 response on http://localhost:8060/index.html (presuming that 8060 is used) request. There are next directory settings in httpd.conf: <Directory "/mnt/workspace/servers/web/apache-2.2.17/htdocs"> ... Order allow,deny Allow from all ... </Directory> <IfModule dir_module> DirectoryIndex index.html index.php </IfModule> It should be noted that I've got apache on a mounted (default auto mount configured while installing ubuntu) partition. Log Files Access log: ::1 - - [12/Feb/2011:17:48:30 +0200] "GET / HTTP/1.1" 403 202 ::1 - - [12/Feb/2011:17:48:31 +0200] "GET /favicon.ico HTTP/1.1" 403 213 ::1 - - [12/Feb/2011:17:48:48 +0200] "GET /index.html HTTP/1.1" 403 212 ::1 - - [12/Feb/2011:17:48:48 +0200] "GET /favicon.ico HTTP/1.1" 403 213 ::1 - - [12/Feb/2011:17:49:03 +0200] "GET /index.html HTTP/1.1" 403 212 ::1 - - [12/Feb/2011:17:49:03 +0200] "GET /favicon.ico HTTP/1.1" 403 213 Error log: [Sat Feb 12 18:59:13 2011] [notice] Apache/2.2.17 (Unix) PHP/5.3.5 configured -- resuming normal operations [Sat Feb 12 18:59:22 2011] [error] [client ::1] (13)Permission denied: access to / denied [Sat Feb 12 18:59:22 2011] [error] [client ::1] (13)Permission denied: access to /favicon.ico denied [Sat Feb 12 18:59:36 2011] [error] [client ::1] (13)Permission denied: access to /index.html denied

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• Puppet inventory service using puppetdb

  - by Oli

  I have 3 servers set up. A puppet master using passenger (puppet-server1), dashboard using passenger (puppet-server2) and puppetdb (puppet-server3). I cannot get the inventory service working in the dashboard. The puppet master is able to sign certs and hand out manifests. The nodes have checked in to the dashboard ok The puppetdb appears to be working - logs files as follows: 2012-12-13 17:53:10,899 INFO [command-proc-74] [puppetdb.command] [8490148f-865a-45c8-b5b5-2c8824d753dd] [replace facts] puppet-server3.test.net 2012-12-13 17:53:11,041 INFO [command-proc-74] [puppetdb.command] [dfcc5168-06df-41d4-9a97-77b4cd3f4a2b] [replace catalog] puppet-server3.test.net 2012-12-13 17:55:28,600 INFO [command-proc-74] [puppetdb.command] [b2cc0a96-0404-49f5-96ad-19c778508d3d] [replace facts] puppet-client2.test.net 2012-12-13 17:55:28,729 INFO [command-proc-74] [puppetdb.command] [4dc4b8f3-06df-4dad-a89a-92ac80447b99] [replace catalog] puppet-client2.test.net The puppet master has the following configured in puppet.conf [master] certname = puppet-server1.test.net storeconfigs = true storeconfigs_backend = puppetdb reports = store, http reporturl = http://puppet-server2.test.net/reports/upload The puppet master have the following configured in auth.conf #access for puppet dashboard facts path /facts auth yes method find, search allow dashboard The puppet dashboard has this configured in /usr/share/puppet-dashboard/config/settings.yml # Hostname of the inventory server. inventory_server: 'puppet-server3.test.net' # Port for the inventory server. inventory_port: 8081 The inventory is on as I see a link to the inventory in the dashboard server But I am getting this error: Inventory Could not retrieve facts from inventory service: SSL_connect SYSCALL returned=5 errno=0 state=SSLv3 read finished A clearly an SSL error - but I have followed the documentation and have no idea how to fix this. Can anyone help please? Oli

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• Apache ScriptAlias and access error?

  - by Parhs

  First of all after much pain i figured out how to make it work in Apache 2.4 windowz. Here is my configuration that seems to work successfully for git clone and push and everything. Problem First of all my configuration works. There is a "Require all denied" at / directory. I want only git functionality and nothing else. Example Request from a git client 192.168.100.252 - - [07/Oct/2012:04:44:51 +0300] "GET /git/simple/info/refs?service=git-upload-pack HTTP/1.1" 200 264` Error caused by that Request [Sun Oct 07 04:44:51.903334 2012] [authz_core:error] [pid 6988:tid 956] [client 192.168.100.252:13493] AH01630: client denied by server configuration: C:/git-server/web/simple There isnt any error at gitclient everything works fine but i get this at error log. Is there any solution for this error to not appear?I worry about log size. <VirtualHost *:80> DocumentRoot "C:\git-server\web" ServerName git.****censored**** DirectoryIndex index.php SetEnv GIT_PROJECT_ROOT c:/git-server/repositories SetEnv GIT_HTTP_EXPORT_ALL SetEnv REMOTE_USER=$REDIRECT_REMOTE_USER ScriptAlias /git/ "C:/Program Files (x86)/Git/libexec/git-core/git-http-backend.exe/" <LocationMatch "^/.*/git-receive-pack$"> Options +ExecCGI AuthType Basic AuthName intranet AuthUserFile "C:/git-server/config/users" Require valid-user </LocationMatch> <Directory /> Options All Require all denied </Directory> <Directory "C:\Program Files (x86)\Git\libexec\git-core"> Options +ExecCGI Options All Require all granted </Directory> </VirtualHost>

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• how to debug when xinetd says : got signal 17 (child exited)

  - by Faizan Shaik

  I am trying to start services vsftpd and sshd using xinetd. my config files are as follows. /etc/xinetd.conf defaults { instances = 60 log_type = FILE /var/log/xinetdlog log_on_success = HOST PID log_on_failure = HOST cps = 25 30 only_from = localhost } includedir /etc/xinetd.d /etc/xinetd.d/ftp service ftp { disable = no server = /usr/sbin/vsftpd server_args = -l user = root socket_type = stream protocol = tcp wait = no instances = 4 flags = REUSE nice = 10 log_on_success += DURATION HOST USERID only_from = 127.0.0.1 10.0.0.0/24 } /etc/xinetd.d/ssh service ssh { disable = no log_on_failure += USERID server = /usr/sbin/sshd user = root socket_type = stream protocol = tcp wait = no instances = 20 flags = REUSE only_from = 127.0.0.1 10.0.0.0/24 } Even though i've included only_from attribute, vsftp server as well as ssh server are refusing connection from localhost. while vsftp and ssh servers are working fine individually when i check with "service vsftpd start" and "service ssh start". when i did debug using "xinetd -d" throug terminal i got the output as 13/10/20@00:06:08: DEBUG: 3592 {cnf_start_services} Started service: ftp 13/10/20@00:06:08: DEBUG: 3592 {cnf_start_services} Started service: ssh 13/10/20@00:06:08: DEBUG: 3592 {cnf_start_services} mask_max = 8, services_started = 2 13/10/20@00:06:08: NOTICE: 3592 {main} xinetd Version 2.3.14 started with libwrap loadavg options compiled in. 13/10/20@00:06:08: NOTICE: 3592 {main} Started working: 2 available services 13/10/20@00:06:08: DEBUG: 3592 {main_loop} active_services = 2 13/10/20@00:06:16: DEBUG: 3592 {main_loop} select returned 1 13/10/20@00:06:16: DEBUG: 3592 {server_start} Starting service ftp 13/10/20@00:06:16: DEBUG: 3592 {main_loop} active_services = 2 13/10/20@00:06:16: DEBUG: 3607 {exec_server} duping 9 13/10/20@00:06:16: DEBUG: 3592 {main_loop} active_services = 2 13/10/20@00:06:16: DEBUG: 3592 {main_loop} select returned 1 13/10/20@00:06:16: DEBUG: 3592 {check_pipe} Got signal 17 (Child exited) 13/10/20@00:06:16: DEBUG: 3592 {child_exit} waitpid returned = 3607 13/10/20@00:06:16: DEBUG: 3592 {server_end} ftp server 3607 exited 13/10/20@00:06:16: DEBUG: 3592 {svc_postmortem} Checking log size of ftp service 13/10/20@00:06:16: INFO: 3592 {conn_free} freeing connection 13/10/20@00:06:16: DEBUG: 3592 {child_exit} waitpid returned = -1 both services are getting started but neither of them is working. after banging for 3-4 hours i still don't have any clue about this error. Any help would be appreciated. thanks!

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