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• How to understand these lines in apache.log

  - by chefnelone

  I just get 19000 lines like these in the apache.log file for my site example.com. My hosting provider shut down the hosting and notified me that I need to avoid to activate my hosting again. I understand that I got a big amount of visits but I don't know how to avoid this. 88.190.47.233 - - [27/Jun/2013:09:51:34 +0200] "GET / HTTP/1.0" 403 389 "http://example.com/" "Opera/9.80 (Windows NT 6.1; U; ru) Presto/2.10.289 Version/12.02" 417 88.190.47.233 - - [27/Jun/2013:09:51:34 +0200] "GET / HTTP/1.0" 403 389 "http://example.com/" "Opera/9.80 (Windows NT 6.1; U; ru) Presto/2.10.289 Version/12.02" 417 175.44.28.155 - - [27/Jun/2013:09:51:44 +0200] "GET /en/user/register HTTP/1.1" 403 503 "http://example.com/en/" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1;)" 248 175.44.29.140 - - [27/Jun/2013:09:53:19 +0200] "GET /en/node/1557?page=2 HTTP/1.0" 403 517 "http://example.com/en/node/1557?page=2" "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.12 Safari/535.11" 491 These are the lines from apache-error.log. There are more than 35000 lines like this. [Thu Jun 27 09:50:58 2013] [error] [client 5.39.19.183] (13)Permission denied: access to /index.php denied, referer: http://example.com/ [Thu Jun 27 09:51:03 2013] [error] [client 125.112.29.105] (13)Permission denied: access to /index.php denied, referer: http://example.com/en/ [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.php denied, referer: http://example.com/en/node/1557?page=1#comment-701 [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.php denied, referer: http://example.com/en/node/1557?page=1#comment-701 [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.html denied, referer: http://example.com/en/node/1557?page=1#comment-701 [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.htm denied, referer: http://example.com/en/node/1557?page=1#comment-701 [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.php denied, referer: http://example.com/ [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.html denied, referer: http://example.com/ [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.htm denied, referer: http://example.com/ [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.php denied, referer: http://example.com/ [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.html denied, referer: http://example.com/ [Thu Jun 27 09:51:34 2013] [error] [client 88.190.47.233] (13)Permission denied: access to /index.htm denied, referer: http://example.com/ [Thu Jun 27 09:51:44 2013] [error] [client 175.44.28.155] (13)Permission denied: access to /index.php denied, referer: http://example.com/en/ [Thu Jun 27 09:53:19 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.php denied, referer: http://example.com/en/node/1557?page=2 [Thu Jun 27 09:53:20 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.php denied, referer: http://example.com/en/node/1557?page=2 [Thu Jun 27 09:53:20 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.html denied, referer: http://example.com/en/node/1557?page=2 [Thu Jun 27 09:53:20 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.htm denied, referer: http://example.com/en/node/1557?page=2 [Thu Jun 27 09:53:21 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.php denied, referer: http://example.com/ [Thu Jun 27 09:53:21 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.html denied, referer: http://example.com/ [Thu Jun 27 09:53:21 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.htm denied, referer: http://example.com/ [Thu Jun 27 09:53:22 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.php denied, referer: http://example.com/ [Thu Jun 27 09:53:22 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.html denied, referer: http://example.com/ [Thu Jun 27 09:53:22 2013] [error] [client 175.44.29.140] (13)Permission denied: access to /index.htm denied, referer: http://example.com/ [Thu Jun 27 09:56:53 2013] [error] [client 113.246.6.147] (13)Permission denied: access to /index.php denied, referer: http://example.com/en/ [Thu Jun 27 09:58:58 2013] [error] [client 108.62.71.180] (13)Permission denied: access to /index.php denied, referer: http://example.com/

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• Pfsense 2.1 OpenVPN can't reach servers on the LAN

  - by Lucas Kauffman

  I have a small network set up like this: I have a Pfsense for connecting my servers to the WAN, they are using NAT from the LAN - WAN. I have an OpenVPN server using TAP to allow remote workers to be put on the same LAN network as the servers. They connect through the WAN IP to the OVPN interface. The LAN interface also servers as the gateway for the servers to get internet connection and has an IP of 10.25.255.254 The OVPN Interface and the LAN interface are bridged in BR0 Server A has an IP of 10.25.255.1 and is able to connect the internet Client A is connecting through the VPN and is assigned an IP address on its TAP interface of 10.25.24.1 (I reserved a /24 within the 10.25.0.0/16 for VPN clients) Firewall currently allows any-any connection OVPN towards LAN and vice versa Currently when I connect, all routes seem fine on the client side: Destination Gateway Genmask Flags Metric Ref Use Iface 300.300.300.300 0.0.0.0 255.255.255.0 U 0 0 0 eth0 10.25.0.0 10.25.255.254 255.255.0.0 UG 0 0 0 tap0 10.25.0.0 0.0.0.0 255.255.0.0 U 0 0 0 tap0 0.0.0.0 300.300.300.300 0.0.0.0 UG 0 0 0 eth0 I can ping the LAN interface: root@server:# ping 10.25.255.254 PING 10.25.255.254 (10.25.255.254) 56(84) bytes of data. 64 bytes from 10.25.255.254: icmp_req=1 ttl=64 time=7.65 ms 64 bytes from 10.25.255.254: icmp_req=2 ttl=64 time=7.49 ms 64 bytes from 10.25.255.254: icmp_req=3 ttl=64 time=7.69 ms 64 bytes from 10.25.255.254: icmp_req=4 ttl=64 time=7.31 ms 64 bytes from 10.25.255.254: icmp_req=5 ttl=64 time=7.52 ms 64 bytes from 10.25.255.254: icmp_req=6 ttl=64 time=7.42 ms But I can't ping past the LAN interface: root@server:# ping 10.25.255.1 PING 10.25.255.1 (10.25.255.1) 56(84) bytes of data. From 10.25.255.254: icmp_seq=1 Redirect Host(New nexthop: 10.25.255.1) From 10.25.255.254: icmp_seq=2 Redirect Host(New nexthop: 10.25.255.1) I ran a tcpdump on my em1 interface (LAN interface which has the IP of 10.25.255.254) tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on em1, link-type EN10MB (Ethernet), capture size 96 bytes 08:21:13.449222 IP 10.25.24.1 > 10.25.255.1: ICMP echo request, id 23623, seq 10, length 64 08:21:13.458211 ARP, Request who-has 10.25.255.1 tell 10.25.24.1, length 28 08:21:14.450541 IP 10.25.24.1 > 10.25.255.1: ICMP echo request, id 23623, seq 11, length 64 08:21:14.458431 ARP, Request who-has 10.25.255.1 tell 10.25.24.1, length 28 08:21:15.451794 IP 10.25.24.1 > 10.25.255.1: ICMP echo request, id 23623, seq 12, length 64 08:21:15.458530 ARP, Request who-has 10.25.255.1 tell 10.25.24.1, length 28 08:21:16.453203 IP 10.25.24.1 > 10.25.255.1: ICMP echo request, id 23623, seq 13, length 64 So traffic is reaching the LAN interface, but it's not getting passed it. But no answer from the 10.25.255.1 host. I'm not sure what I'm missing.

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• Active Directory Time Synchronisation - Time-Service Event ID 50

  - by George

  I have an Active Directory domain with two DCs. The first DC in the forest/domain is Server 2012, the second is 2008 R2. The first DC holds the PDC Emulator role. I sporadically receive a warning from the Time-Service source, event ID 50: The time service detected a time difference of greater than %1 milliseconds for %2 seconds. The time difference might be caused by synchronization with low-accuracy time sources or by suboptimal network conditions. The time service is no longer synchronized and cannot provide the time to other clients or update the system clock. When a valid time stamp is received from a time service provider, the time service will correct itself. Time sync in the domain is configured with the second DC to synchronise using the /syncfromflags:DOMHIER flag. The first DC is configured to sync time using a /syncfromflags:MANUAL /reliable:YES, from a peerlist consisting of a number of UK based stratum 2 servers, such as ntp2d.mcc.ac.uk. I'm confused why I receive this event warning. It implies that my PDC emulator cannot synchronise time with a supposedly reliable external time source, and it quotes a time difference of 5 seconds for 900 seconds. It's worth also mentioning that I used to use a UK pool from ntp.org but I would receive the warning much more often. Since updating to a number of UK based academic time servers, it seems to be more reliable. Can someone with more experience shed some light on this - perhaps it is purely transient? Should I disregard the warning? Is my configuration sound? EDIT: I should add that the DCs are virtual, and installed on two separate VMware ESXi/vSphere physical hosts. I can also confirm that as per MDMarra's comment and best practice, VMware timesync is disabled, since: c:\Program Files\VMware\VMware Tools\VMwareToolboxCmd.exe timesync status returns Disabled. EDIT 2 Some strange new issue has cropped up. I've noticed a pattern. Originally, the event ID 50 warnings would occur at about 1230pm each day. This is interesting since our veeam backup happens at 12 midday. Since I made the changes discussed here, I now receive an event ID 51 instead of 50. The new warning says that: The time sample received from peer server.ac.uk differs from the local time by -40 seconds (Or approximately 40 seconds). This has happened two days in a row. Now I'm even more confused. Obviously the time never updates until I manually intervene. The issue seems to be related to virtualisation and veeam. Something may be occuring when veeam is backing up the PDCe. Any suggestions? UPDATE & SUMMARY msemack's excellent list of resources below (the accepted answer) provided enough information to correctly configure the time service in the domain. This should be the first port of call for any future people looking to verify their configuration. The final "40 second jump" issue I have resolved (there are no more warnings) through adjusting the VMware time sync settings as noted in the veeam knowledge base article here: http://www.veeam.com/kb1202 In any case, should any future reader use ESXi, veeam or not, the resources here are an excellent source of information on the time sync topic and msemack's answer is particularly invaluable.

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• Users loggin to 3Com switches authenticated by radius not getting admin priv and no access available

  - by 3D1L

  Hi, Following the setup that I have for my Cisco devices, I got some basic level of functionality authenticating users that loggin to 3Com switches authenticated against a RADIUS server. Problem is that I can not get the user to obtain admin privileges. I'm using Microsoft's IAS service. According to 3Com documentation when configuring the access policy on IAS the value of 010600000003 have to be used to specify admin access level. That value have to be input in the Dial-in profile section: 010600000003 - indicates admin privileges 010600000002 - manager 010600000001 - monitor 010600000000 - visitor Here is the configuration on the switch: radius scheme system server-type standard primary authentication XXX.XXX.XXX.XXX accounting optional key authentication XXXXXX key accounting XXXXXX domain system scheme radius-scheme system local-user admin service-type ssh telnet terminal level 3 local-user manager service-type ssh telnet terminal level 2 local-user monitor service-type ssh telnet terminal level 1 The configuration is working with the IAS server because I can check user login events with the Eventviewer tool. Here is the output of the DISPLAY RADIUS command at the switch: [4500]disp radius SchemeName =system Index=0 Type=standard Primary Auth IP =XXX.XXX.XXX.XXX Port=1645 State=active Primary Acct IP =127.0.0.1 Port=1646 State=active Second Auth IP =0.0.0.0 Port=1812 State=block Second Acct IP =0.0.0.0 Port=1813 State=block Auth Server Encryption Key= XXXXXX Acct Server Encryption Key= XXXXXX Accounting method = optional TimeOutValue(in second)=3 RetryTimes=3 RealtimeACCT(in minute)=12 Permitted send realtime PKT failed counts =5 Retry sending times of noresponse acct-stop-PKT =500 Quiet-interval(min) =5 Username format =without-domain Data flow unit =Byte Packet unit =1 Total 1 RADIUS scheme(s). 1 listed Here is the output of the DISPLAY DOMAIN and DISPLAY CONNECTION commands after users log into the switch: [4500]display domain 0 Domain = system State = Active RADIUS Scheme = system Access-limit = Disable Domain User Template: Idle-cut = Disable Self-service = Disable Messenger Time = Disable Default Domain Name: system Total 1 domain(s).1 listed. [4500]display connection Index=0 ,Username=admin@system IP=0.0.0.0 Index=2 ,Username=user@system IP=xxx.xxx.xxx.xxx On Unit 1:Total 2 connections matched, 2 listed. Total 2 connections matched, 2 listed. [4500] Here is the DISP RADIUS STATISTICS: [4500] %Apr 2 00:23:39:957 2000 4500 SHELL/5/LOGIN:- 1 - ecajigas(xxx.xxx.xxx.xxx) in un it1 logindisp radius stat state statistic(total=1048): DEAD=1046 AuthProc=0 AuthSucc=0 AcctStart=0 RLTSend=0 RLTWait=2 AcctStop=0 OnLine=2 Stop=0 StateErr=0 Received and Sent packets statistic: Unit 1........................................ Sent PKT total :4 Received PKT total:1 Resend Times Resend total 1 1 2 1 Total 2 RADIUS received packets statistic: Code= 2,Num=1 ,Err=0 Code= 3,Num=0 ,Err=0 Code= 5,Num=0 ,Err=0 Code=11,Num=0 ,Err=0 Running statistic: RADIUS received messages statistic: Normal auth request , Num=1 , Err=0 , Succ=1 EAP auth request , Num=0 , Err=0 , Succ=0 Account request , Num=1 , Err=0 , Succ=1 Account off request , Num=0 , Err=0 , Succ=0 PKT auth timeout , Num=0 , Err=0 , Succ=0 PKT acct_timeout , Num=3 , Err=1 , Succ=2 Realtime Account timer , Num=0 , Err=0 , Succ=0 PKT response , Num=1 , Err=0 , Succ=1 EAP reauth_request , Num=0 , Err=0 , Succ=0 PORTAL access , Num=0 , Err=0 , Succ=0 Update ack , Num=0 , Err=0 , Succ=0 PORTAL access ack , Num=0 , Err=0 , Succ=0 Session ctrl pkt , Num=0 , Err=0 , Succ=0 RADIUS sent messages statistic: Auth accept , Num=0 Auth reject , Num=0 EAP auth replying , Num=0 Account success , Num=0 Account failure , Num=0 Cut req , Num=0 RecError_MSG_sum:0 SndMSG_Fail_sum :0 Timer_Err :0 Alloc_Mem_Err :0 State Mismatch :0 Other_Error :0 No-response-acct-stop packet =0 Discarded No-response-acct-stop packet for buffer overflow =0 The other problem is that when the RADIUS server is not available I can not log in to the switch. The switch have 3 local accounts but none of them works. How can I specify the switch to use the local accounts in case that the RADIUS service is not available?

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• Linux bcm43224 wifi adapter slows down a couple minutes after boot

  - by Blubber

  I just installed Ubuntu on my mid 2012 MacBook Air. Everything worked out of the box, but the wifi is showing some weird behavior. When I first login it's really fast, loading google.com is near instant, and browsing in general feels at least as smooth as it did on Mac OS. However, after a couple minutes the connection slows down dramatically, sometimes it takes over 5s to load google.com, a simple reboot fixes the problem for another couple minutes. Specs: Wifi: 02:00.0 Network controller: Broadcom Corporation BCM43224 802.11a/b/g/n (rev 01) Driver: open-source brcmsmac driver Kernel: Linux wega 3.8.0-21-generic #32-Ubuntu SMP Tue May 14 22:16:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Distro: Ubuntu 13.04 (uptodate) I tried a number of things, none of which actually helped Use proprietary sta driver from broadcom Installed firmware into /lib/firmware/brcms (which, as far as I can tell from logs, does not get loaded at all) Switch router to only use 2.4 OR 5 GHz Set router to only use a OR g OR n Set router to use AES encryption only Turned off power management on the adapter Set regulatory region to the correct value (NL) on both router and laptop Disable ipv6 Nothing seems to help, the slowdown always occurs. I did notice that the latency (ping google.com) stays roughly the same (around 9ms). Below is some more information that might be of use. $ lspci -nnk | grep -iA2 net 02:00.0 Network controller [0280]: Broadcom Corporation BCM43224 802.11a/b/g/n [14e4:4353] (rev 01) Subsystem: Apple Inc. Device [106b:00e9] Kernel driver in use: bcma-pci-bridge $ rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no $ lsmod Module Size Used by dm_crypt 22820 1 arc4 12615 2 brcmsmac 550698 0 coretemp 13355 0 kvm_intel 132891 0 parport_pc 28152 0 kvm 443165 1 kvm_intel ppdev 17073 0 cordic 12574 1 brcmsmac brcmutil 14755 1 brcmsmac mac80211 606457 1 brcmsmac cfg80211 510937 2 brcmsmac,mac80211 bnep 18036 2 rfcomm 42641 12 joydev 17377 0 applesmc 19353 0 input_polldev 13896 1 applesmc snd_hda_codec_hdmi 36913 1 microcode 22881 0 snd_hda_codec_cirrus 23829 1 nls_iso8859_1 12713 1 uvcvideo 80847 0 btusb 22474 0 snd_hda_intel 39619 3 videobuf2_vmalloc 13056 1 uvcvideo snd_hda_codec 136453 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_cirrus bcm5974 17347 0 bluetooth 228619 22 bnep,btusb,rfcomm snd_hwdep 13602 1 snd_hda_codec lpc_ich 17061 0 videobuf2_memops 13202 1 videobuf2_vmalloc videobuf2_core 40513 1 uvcvideo videodev 129260 2 uvcvideo,videobuf2_core bcma 41051 1 brcmsmac snd_pcm 97451 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel snd_page_alloc 18710 2 snd_pcm,snd_hda_intel snd_seq_midi 13324 0 snd_seq_midi_event 14899 1 snd_seq_midi snd_rawmidi 30180 1 snd_seq_midi snd_seq 61554 2 snd_seq_midi_event,snd_seq_midi snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi snd_timer 29425 2 snd_pcm,snd_seq snd 68876 16 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_hda_codec_cirrus mei 41158 0 soundcore 12680 1 snd apple_bl 13673 0 mac_hid 13205 0 lp 17759 0 parport 46345 3 lp,ppdev,parport_pc usb_storage 57204 0 hid_apple 13237 0 hid_generic 12540 0 ghash_clmulni_intel 13259 0 aesni_intel 55399 399 aes_x86_64 17255 1 aesni_intel xts 12885 1 aesni_intel lrw 13257 1 aesni_intel gf128mul 14951 2 lrw,xts ablk_helper 13597 1 aesni_intel cryptd 20373 4 ghash_clmulni_intel,aesni_intel,ablk_helper i915 600351 3 ahci 25731 3 libahci 31364 1 ahci video 19390 1 i915 i2c_algo_bit 13413 1 i915 drm_kms_helper 49394 1 i915 usbhid 47074 0 drm 286313 4 i915,drm_kms_helper hid 101002 3 hid_generic,usbhid,hid_apple $ dmesg | egrep 'b43|bcma|brcm|[F]irm' [ 0.055025] [Firmware Bug]: ioapic 2 has no mapping iommu, interrupt remapping will be disabled [ 0.152336] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored [ 2.187681] pci_root PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-99] only partially covers this bridge [ 12.553600] bcma-pci-bridge 0000:02:00.0: enabling device (0000 -> 0002) [ 12.553657] bcma: bus0: Found chip with id 0xA8D8, rev 0x01 and package 0x08 [ 12.553688] bcma: bus0: Core 0 found: ChipCommon (manuf 0x4BF, id 0x800, rev 0x22, class 0x0) [ 12.553715] bcma: bus0: Core 1 found: IEEE 802.11 (manuf 0x4BF, id 0x812, rev 0x17, class 0x0) [ 12.553764] bcma: bus0: Core 2 found: PCIe (manuf 0x4BF, id 0x820, rev 0x0F, class 0x0) [ 12.605777] bcma: bus0: Bus registered [ 12.852925] brcmsmac bcma0:0: mfg 4bf core 812 rev 23 class 0 irq 17 [ 13.085176] brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: false (implement) [ 13.085186] brcmsmac bcma0:0: brcms_ops_config: change power-save mode: false (implement) [ 20.862617] brcmsmac bcma0:0: brcmsmac: brcms_ops_bss_info_changed: associated [ 20.862622] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 0 (implement) [ 20.862625] brcmsmac bcma0:0: brcms_ops_bss_info_changed: qos enabled: true (implement) [ 20.897957] brcmsmac bcma0:0: brcms_ops_bss_info_changed: arp filtering: enabled true, count 1 (implement) $ iwconfig lo no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"wlan" Mode:Managed Frequency:5.22 GHz Access Point: E0:46:9A:4E:63:9A Bit Rate=65 Mb/s Tx-Power=17 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=63/70 Signal level=-47 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:13 Invalid misc:56 Missed beacon:0

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• Making sense of S.M.A.R.T

  - by James

  First of all, I think everyone knows that hard drives fail a lot more than the manufacturers would like to admit. Google did a study that indicates that certain raw data attributes that the S.M.A.R.T status of hard drives reports can have a strong correlation with the future failure of the drive. We find, for example, that after their first scan error, drives are 39 times more likely to fail within 60 days than drives with no such errors. First errors in re- allocations, offline reallocations, and probational counts are also strongly correlated to higher failure probabil- ities. Despite those strong correlations, we find that failure prediction models based on SMART parameters alone are likely to be severely limited in their prediction accuracy, given that a large fraction of our failed drives have shown no SMART error signals whatsoever. Seagate seems like it is trying to obscure this information about their drives by claiming that only their software can accurately determine the accurate status of their drive and by the way their software will not tell you the raw data values for the S.M.A.R.T attributes. Western digital has made no such claim to my knowledge but their status reporting tool does not appear to report raw data values either. I've been using HDtune and smartctl from smartmontools in order to gather the raw data values for each attribute. I've found that indeed... I am comparing apples to oranges when it comes to certain attributes. I've found for example that most Seagate drives will report that they have many millions of read errors while western digital 99% of the time shows 0 for read errors. I've also found that Seagate will report many millions of seek errors while Western Digital always seems to report 0. Now for my question. How do I normalize this data? Is Seagate producing millions of errors while Western digital is producing none? Wikipedia's article on S.M.A.R.T status says that manufacturers have different ways of reporting this data. Here is my hypothesis: I think I found a way to normalize (is that the right term?) the data. Seagate drives have an additional attribute that Western Digital drives do not have (Hardware ECC Recovered). When you subtract the Read error count from the ECC Recovered count, you'll probably end up with 0. This seems to be equivalent to Western Digitals reported "Read Error" count. This means that Western Digital only reports read errors that it cannot correct while Seagate counts up all read errors and tells you how many of those it was able to fix. I had a Seagate drive where the ECC Recovered count was less than the Read error count and I noticed that many of my files were becoming corrupt. This is how I came up with my hypothesis. The millions of seek errors that Seagate produces are still a mystery to me. Please confirm or correct my hypothesis if you have additional information. Here is the smart status of my western digital drive just so you can see what I'm talking about: james@ubuntu:~$ sudo smartctl -a /dev/sda smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF INFORMATION SECTION === Device Model: WDC WD1001FALS-00E3A0 Serial Number: WD-WCATR0258512 Firmware Version: 05.01D05 User Capacity: 1,000,204,886,016 bytes Device is: Not in smartctl database [for details use: -P showall] ATA Version is: 8 ATA Standard is: Exact ATA specification draft version not indicated Local Time is: Thu Jun 10 19:52:28 2010 PDT SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 179 175 021 Pre-fail Always - 4033 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 270 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 098 098 000 Old_age Always - 1468 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 262 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 46 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 223 194 Temperature_Celsius 0x0022 105 102 000 Old_age Always - 42 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 0

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• Mac OS X 10.8 VPN Server: Bypass VPN for LAN traffic (routing LAN traffic to secondary connection)

  - by Dan Robson

  I have somewhat of an odd setup for a VPN server with OS X Mountain Lion. It's essentially being used as a bridge to bypass my company's firewall to our extranet connection - certain things our team needs to do require unfettered access to the outside, and changing IT policies to allow traffic through the main firewall is just not an option. The extranet connection is provided through a Wireless-N router (let's call it Wi-Fi X). My Mac Mini server is configured with the connection to this router as the primary connection, thus unfettered access to the internet via the router. Connections to this device on the immediate subnet are possible through the LAN port, but outside the subnet things are less reliable. I was able to configure the VPN server to provide IP addresses to clients in the 192.168.11.150-192.168.11.200 range using both PPTP and L2TP, and I'm able to connect to the extranet through the VPN using the standard Mac OS X VPN client in System Preferences, however unsurprisingly, a local address (let's call it internal.company.com) returns nothing. I tried to bypass the limitation of the VPN Server by setting up Routes in the VPN settings. Our company uses 13.x.x.x for all internal traffic, instead of 10.x.x.x, so the routing table looked something like this: IP Address ---------- Subnet Mask ---------- Configuration 0.0.0.0 248.0.0.0 Private 8.0.0.0 252.0.0.0 Private 12.0.0.0 255.0.0.0 Private 13.0.0.0 255.0.0.0 Public 14.0.0.0 254.0.0.0 Private 16.0.0.0 240.0.0.0 Private 32.0.0.0 224.0.0.0 Private 64.0.0.0 192.0.0.0 Private 128.0.0.0 128.0.0.0 Private I was under the impression that if nothing was entered here, all traffic was routed through the VPN. With something entered, only traffic specifically marked to go through the VPN would go through the VPN, and all other traffic would be up to the client to access using its own default connection. This is why I had to specifically mark every subnet except 13.x.x.x as Private. My suspicion is that since I can't reach the VPN server from outside the local subnet, it's not making a connection to the main DNS server and thus can't be reached on the larger network. I'm thinking that entering hostnames like internal.company.com aren't kicked back to the client to resolve, because the server has no idea that the IP address falls in the public range, since I suspect (probably should ping test it but don't have access to it right now) that it can't reach the DNS server to find out anything about that hostname. It seems to me that all my options for resolving this all boil down to the same type of solution: Figure out how to reach the DNS with the secondary connection on the server. I'm thinking that if I'm able to do [something] to get my server to recognize that it should also check my local gateway (let's say Server IP == 13.100.100.50 and Gateway IP == 13.100.100.1). From there Gateway IP can tell me to go find DNS Server at 13.1.1.1 and give me information about my internal network. I'm very confused about this path -- really not sure if I'm even making sense. I thought about trying to do this client side, but that doesn't make sense either, since that would add time to each and every client side setup. Plus, it just seems more logical to solve it on the server - I could either get rid of my routing table altogether or keep it - I think the only difference would be that internal traffic would also go through the server - probably an unnecessary burden on it. Any help out there? Or am I in over my head? Forward proxy or transparent proxy is also an option for me, although I have no idea how to set either of those up. (I know, Google is my friend.)

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• Performance Tuning a High-Load Apache Server

  - by futureal

  I am looking to understand some server performance problems I am seeing with a (for us) heavily loaded web server. The environment is as follows: Debian Lenny (all stable packages + patched to security updates) Apache 2.2.9 PHP 5.2.6 Amazon EC2 large instance The behavior we're seeing is that the web typically feels responsive, but with a slight delay to begin handling a request -- sometimes a fraction of a second, sometimes 2-3 seconds in our peak usage times. The actual load on the server is being reported as very high -- often 10.xx or 20.xx as reported by top. Further, running other things on the server during these times (even vi) is very slow, so the load is definitely up there. Oddly enough Apache remains very responsive, other than that initial delay. We have Apache configured as follows, using prefork: StartServers 5 MinSpareServers 5 MaxSpareServers 10 MaxClients 150 MaxRequestsPerChild 0 And KeepAlive as: KeepAlive On MaxKeepAliveRequests 100 KeepAliveTimeout 5 Looking at the server-status page, even at these times of heavy load we are rarely hitting the client cap, usually serving between 80-100 requests and many of those in the keepalive state. That tells me to rule out the initial request slowness as "waiting for a handler" but I may be wrong. Amazon's CloudWatch monitoring tells me that even when our OS is reporting a load of 15, our instance CPU utilization is between 75-80%. Example output from top: top - 15:47:06 up 31 days, 1:38, 8 users, load average: 11.46, 7.10, 6.56 Tasks: 221 total, 28 running, 193 sleeping, 0 stopped, 0 zombie Cpu(s): 66.9%us, 22.1%sy, 0.0%ni, 2.6%id, 3.1%wa, 0.0%hi, 0.7%si, 4.5%st Mem: 7871900k total, 7850624k used, 21276k free, 68728k buffers Swap: 0k total, 0k used, 0k free, 3750664k cached The majority of the processes look like: 24720 www-data 15 0 202m 26m 4412 S 9 0.3 0:02.97 apache2 24530 www-data 15 0 212m 35m 4544 S 7 0.5 0:03.05 apache2 24846 www-data 15 0 209m 33m 4420 S 7 0.4 0:01.03 apache2 24083 www-data 15 0 211m 35m 4484 S 7 0.5 0:07.14 apache2 24615 www-data 15 0 212m 35m 4404 S 7 0.5 0:02.89 apache2 Example output from vmstat at the same time as the above: procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 8 0 0 215084 68908 3774864 0 0 154 228 5 7 32 12 42 9 6 21 0 198948 68936 3775740 0 0 676 2363 4022 1047 56 16 9 15 23 0 0 169460 68936 3776356 0 0 432 1372 3762 835 76 21 0 0 23 1 0 140412 68936 3776648 0 0 280 0 3157 827 70 25 0 0 20 1 0 115892 68936 3776792 0 0 188 8 2802 532 68 24 0 0 6 1 0 133368 68936 3777780 0 0 752 71 3501 878 67 29 0 1 0 1 0 146656 68944 3778064 0 0 308 2052 3312 850 38 17 19 24 2 0 0 202104 68952 3778140 0 0 28 90 2617 700 44 13 33 5 9 0 0 188960 68956 3778200 0 0 8 0 2226 475 59 17 6 2 3 0 0 166364 68956 3778252 0 0 0 21 2288 386 65 19 1 0 And finally, output from Apache's server-status: Server uptime: 31 days 2 hours 18 minutes 31 seconds Total accesses: 60102946 - Total Traffic: 974.5 GB CPU Usage: u209.62 s75.19 cu0 cs0 - .0106% CPU load 22.4 requests/sec - 380.3 kB/second - 17.0 kB/request 107 requests currently being processed, 6 idle workers C.KKKW..KWWKKWKW.KKKCKK..KKK.KKKK.KK._WK.K.K.KKKKK.K.R.KK..C.C.K K.C.K..WK_K..KKW_CK.WK..W.KKKWKCKCKW.W_KKKKK.KKWKKKW._KKK.CKK... KK_KWKKKWKCKCWKK.KKKCK.......................................... ................................................................ From my limited experience I draw the following conclusions/questions: We may be allowing far too many KeepAlive requests I do see some time spent waiting for IO in the vmstat although not consistently and not a lot (I think?) so I am not sure this is a big concern or not, I am less experienced with vmstat Also in vmstat, I see in some iterations a number of processes waiting to be served, which is what I am attributing the initial page load delay on our web server to, possibly erroneously We serve a mixture of static content (75% or higher) and script content, and the script content is often fairly processor intensive, so finding the right balance between the two is important; long term we want to move statics elsewhere to optimize both servers but our software is not ready for that today I am happy to provide additional information if anybody has any ideas, the other note is that this is a high-availability production installation so I am wary of making tweak after tweak, and is why I haven't played with things like the KeepAlive value myself yet.

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• bind9 DNS Ubuntu names pingible on server, but not on Windows Machines?

  - by leeand00

  I setup a DNS server today on Ubuntu, following this tutorial. My intent was to setup my network for dns-name resolving on the private LAN within a single zone (nothing fancy I just want name resolution). I've tested the setup on the DNS server machine itself, and I can ping all the machines listed in the configuration file. I've also configured the Windows Machines on my network, and for some reason they are incapable of pinging by names as was possible on the DNS Server itself. I've tried running nslookup on the Windows DNS clients and I receive and error mentioning the address of the DNS server. DNS forwarding works fine, I'm not having any trouble accessing the internet, the problem only lies within accessing names within the private LAN. Here are my configuration files: options { directory "/var/cache/bind"; // If there is a firewall between you and nameservers you want // to talk to, you may need to fix the firewall to allow multiple // ports to talk. See http://www.kb.cert.org/vuls/id/800113 // If your ISP provided one or more IP addresses for stable // nameservers, you probably want to use them as forwarders. // Uncomment the following block, and insert the addresses replacing // the all-0's placeholder. // forwarders { // 0.0.0.0; // }; forwarders { 8.8.8.8; 8.8.8.4; 74.242.0.12; //68.87.76.178; }; auth-nxdomain no; # conform to RFC1035 listen-on-v6 { any; }; }; /etc/bind/named.conf.options zone "leerdomain.local" { type master; file "/etc/bind/zones/leerdomain.local.db"; notify no; }; zone "2.168.192.in-addr.arpa" { type master; file "/etc/bind/zones/rev.2.168.192.in-addr.arpa"; notify no; }; /etc/bind/named.conf.local Lookup: $TTL 3D @ IN SOA ns.leerdomain.local. admin.leerdomain.local. ( 2010011001 28800 3600 604800 38400 ); leerdomain.local. IN NS ns.leerdomain.local. ns IN A 192.168.2.9 asus IN A 192.168.2.254 www IN CNAME asus vaio IN A 192.168.2.253 iptouch IN A 192.168.2.252 toshiba IN A 192.168.2.251 gw IN A 192.168.2.1 TXT "Network Gateway" /etc/bind/zones/leerdomain.local.db (Validates fine with named-checkzone when validating zone leerdomain.local) Reverse Lookup: $TTL 3D @ IN SOA ns.leerdomain.local. admin.leerdomain.local. ( 201001101 28800 604800 604800 86400 ) IN NS ns.leerdomain.local. 1 IN PTR gw.leerdomain.local. 254 IN PTR asus.leerdomain.local. 253 IN PTR vaio.leerdomain.local. 252 IN PTR iptouch.leerdomain.local. 251 IN PTR toshiba.leerdomain.local. /etc/bind/zones/rev.2.168.192.in-addr.arpa *(Does not validate with named-checkzone when validating zone leerdomain.local gives an error of: zone leerdomain.local/IN: NS 'ns.leerdomain.local' has no address records (A or AAAA) zone leerdomain.local/IN: not loaded due to errors. * Despite not validating bind9 starts without errors in /var/log/syslog I've also configured a few of the windows machines on my network to have the static ip as specified in the lookup and reverse lookup config files. i.e. Using nslookup yields the following results: C:\Users\leeand00>nslookup ns Server: UnKnown Address: 192.168.2.9 *** UnKnown can't find ns: Non-existent domain C:\Users\leeand00>nslookup gw Server: UnKnown Address: 192.168.2.9 Name: gw. Additionally trying to ping by name also fails on machines that are not the DNS Server. Is there something wrong with my configuration of either the nameserver or the Windows Boxes that is keeping me from accessing other machines using names?

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• VPN in Ubuntu fails every time

  - by fazpas

  I am trying to setup a vpn connection in Ubuntu 10.04 to use the service from relakks.com I used the network manager to add the vpn connection and the settings are: Gateway: pptp.relakks.com Username: user Password: pwd IPv4 Settings: Automatic (VPN) Advanced: MSCHAP & MSCHAPv2 checked Use point-to-point encryption (security:default) Allow BSD data compression checked Allow deflate data compression checked Use TCP header compression checked The connection always fail, here is the syslog: Jun 27 20:11:56 desktop NetworkManager: <info> Starting VPN service 'org.freedesktop.NetworkManager.pptp'... Jun 27 20:11:56 desktop NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.pptp' started (org.freedesktop.NetworkManager.pptp), PID 2064 Jun 27 20:11:56 desktop NetworkManager: <info> VPN service 'org.freedesktop.NetworkManager.pptp' just appeared, activating connections Jun 27 20:11:56 desktop NetworkManager: <info> VPN plugin state changed: 3 Jun 27 20:11:56 desktop NetworkManager: <info> VPN connection 'Relakks' (Connect) reply received. Jun 27 20:11:56 desktop pppd[2067]: Plugin /usr/lib/pppd/2.4.5//nm-pptp-pppd-plugin.so loaded. Jun 27 20:11:56 desktop pppd[2067]: pppd 2.4.5 started by root, uid 0 Jun 27 20:11:56 desktop NetworkManager: SCPlugin-Ifupdown: devices added (path: /sys/devices/virtual/net/ppp1, iface: ppp1) Jun 27 20:11:56 desktop NetworkManager: SCPlugin-Ifupdown: device added (path: /sys/devices/virtual/net/ppp1, iface: ppp1): no ifupdown configuration found. Jun 27 20:11:56 desktop pppd[2067]: Using interface ppp1 Jun 27 20:11:56 desktop pppd[2067]: Connect: ppp1 <--> /dev/pts/0 Jun 27 20:11:56 desktop pptp[2071]: nm-pptp-service-2064 log[main:pptp.c:314]: The synchronous pptp option is NOT activated Jun 27 20:11:57 desktop pptp[2079]: nm-pptp-service-2064 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 1 'Start-Control-Connection-Request' Jun 27 20:11:58 desktop pptp[2079]: nm-pptp-service-2064 log[ctrlp_disp:pptp_ctrl.c:739]: Received Start Control Connection Reply Jun 27 20:11:58 desktop pptp[2079]: nm-pptp-service-2064 log[ctrlp_disp:pptp_ctrl.c:773]: Client connection established. Jun 27 20:11:58 desktop pptp[2079]: nm-pptp-service-2064 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 7 'Outgoing-Call-Request' Jun 27 20:11:59 desktop pptp[2079]: nm-pptp-service-2064 log[ctrlp_disp:pptp_ctrl.c:858]: Received Outgoing Call Reply. Jun 27 20:11:59 desktop pptp[2079]: nm-pptp-service-2064 log[ctrlp_disp:pptp_ctrl.c:897]: Outgoing call established (call ID 0, peer's call ID 1024). Jun 27 20:11:59 desktop kernel: [ 56.564074] Inbound IN=ppp0 OUT= MAC= SRC=93.182.139.2 DST=186.110.76.26 LEN=61 TOS=0x00 PREC=0x00 TTL=52 ID=40460 DF PROTO=47 Jun 27 20:11:59 desktop kernel: [ 56.944054] Inbound IN=ppp0 OUT= MAC= SRC=93.182.139.2 DST=186.110.76.26 LEN=60 TOS=0x00 PREC=0x00 TTL=52 ID=40461 DF PROTO=47 Jun 27 20:11:59 desktop pptp[2079]: nm-pptp-service-2064 log[pptp_read_some:pptp_ctrl.c:544]: read returned zero, peer has closed Jun 27 20:11:59 desktop pptp[2079]: nm-pptp-service-2064 log[callmgr_main:pptp_callmgr.c:258]: Closing connection (shutdown) Jun 27 20:11:59 desktop pptp[2079]: nm-pptp-service-2064 log[ctrlp_rep:pptp_ctrl.c:251]: Sent control packet type is 12 'Call-Clear-Request' Jun 27 20:11:59 desktop pptp[2079]: nm-pptp-service-2064 log[pptp_read_some:pptp_ctrl.c:544]: read returned zero, peer has closed Jun 27 20:11:59 desktop pptp[2079]: nm-pptp-service-2064 log[call_callback:pptp_callmgr.c:79]: Closing connection (call state) Jun 27 20:11:59 desktop pppd[2067]: Modem hangup Jun 27 20:11:59 desktop pppd[2067]: Connection terminated. Jun 27 20:11:59 desktop NetworkManager: <info> VPN plugin failed: 1 Jun 27 20:11:59 desktop NetworkManager: SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/ppp1, iface: ppp1) Jun 27 20:11:59 desktop pppd[2067]: Exit. Does someone can identify something in the syslog? I've been googling and reading about pptp but couldn't find anything about the error "read returned zero, peer has closed"

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• How should I config Apache2.2?

  - by user1607641

  I tried to configure Apache 2.2.17 with PHP5.4 using this manual. But when I restarted my PC and went to http://localhost/phpinfo.php, I received this message: Not Found. The requested URL /phpinfo.php was not found on this server. Here is my httpd.conf - (full version with comments) and a copy with the comments stripped for brevity: ServerRoot "C:/Program Files/Apache2.2" #Listen 12.34.56.78:80 Listen 80 LoadModule actions_module modules/mod_actions.so LoadModule alias_module modules/mod_alias.so LoadModule asis_module modules/mod_asis.so LoadModule auth_basic_module modules/mod_auth_basic.so LoadModule authn_default_module modules/mod_authn_default.so LoadModule authn_file_module modules/mod_authn_file.so LoadModule authz_default_module modules/mod_authz_default.so LoadModule authz_groupfile_module modules/mod_authz_groupfile.so LoadModule authz_host_module modules/mod_authz_host.so LoadModule authz_user_module modules/mod_authz_user.so LoadModule autoindex_module modules/mod_autoindex.so LoadModule cgi_module modules/mod_cgi.so LoadModule dir_module modules/mod_dir.so LoadModule env_module modules/mod_env.so LoadModule include_module modules/mod_include.so LoadModule isapi_module modules/mod_isapi.so LoadModule log_config_module modules/mod_log_config.so LoadModule mime_module modules/mod_mime.so LoadModule negotiation_module modules/mod_negotiation.so LoadModule rewrite_module modules/mod_rewrite.so LoadModule setenvif_module modules/mod_setenvif.so LoadModule php5_module "C:/Languages/PHP/php5apache2_4.dll" # PHP AddHandler application/x-httpd-php .php PHPIniDir "C:/Languages/PHP" <IfModule !mpm_netware_module> <IfModule !mpm_winnt_module> User daemon Group daemon </IfModule> </IfModule> ServerAdmin [email protected] #ServerName localhost:80 DocumentRoot "C:/Sites" <Directory /> Options FollowSymLinks AllowOverride None Order deny,allow Deny from all </Directory> <Directory "C:/Sites"> Options Indexes FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> <IfModule dir_module> DirectoryIndex index.php index.html </IfModule> <FilesMatch "^\.ht"> Order allow,deny Deny from all Satisfy All </FilesMatch> ErrorLog "logs/error.log" LogLevel warn <IfModule log_config_module> LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined LogFormat "%h %l %u %t \"%r\" %>s %b" common <IfModule logio_module> # You need to enable mod_logio.c to use %I and %O LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio </IfModule> CustomLog "logs/access.log" common </IfModule> <IfModule alias_module> ScriptAlias /cgi-bin/ "C:/Program Files/Apache2.2/cgi-bin/" </IfModule> <IfModule cgid_module> #Scriptsock logs/cgisock </IfModule> <Directory "C:/Program Files/Apache2.2/cgi-bin"> AllowOverride None Options None Order allow,deny Allow from all </Directory> DefaultType text/plain <IfModule mime_module> TypesConfig conf/mime.types #AddType application/x-gzip .tgz #AddEncoding x-compress .Z #AddEncoding x-gzip .gz .tgz AddType application/x-compress .Z AddType application/x-gzip .gz .tgz #AddHandler cgi-script .cgi #AddHandler type-map var #AddType text/html .shtml #AddOutputFilter INCLUDES .shtml </IfModule> #MIMEMagicFile conf/magic # Some examples: #ErrorDocument 500 "The server made a boo boo." #ErrorDocument 404 /missing.html #ErrorDocument 404 "/cgi-bin/missing_handler.pl" #ErrorDocument 402 http://localhost/subscription_info.html #MaxRanges unlimited #EnableMMAP off #EnableSendfile off # Server-pool management (MPM specific) #Include conf/extra/httpd-mpm.conf # Multi-language error messages #Include conf/extra/httpd-multilang-errordoc.conf # Fancy directory listings #Include conf/extra/httpd-autoindex.conf # Language settings #Include conf/extra/httpd-languages.conf # User home directories #Include conf/extra/httpd-userdir.conf # Real-time info on requests and configuration #Include conf/extra/httpd-info.conf # Virtual hosts Include conf/extra/httpd-vhosts.conf # Local access to the Apache HTTP Server Manual #Include conf/extra/httpd-manual.conf # Distributed authoring and versioning (WebDAV) #Include conf/extra/httpd-dav.conf # Various default settings #Include conf/extra/httpd-default.conf <IfModule ssl_module> SSLRandomSeed startup builtin SSLRandomSeed connect builtin </IfModule> Directory with sites is C:/Sites and PHP is located at C:/Languages/PHP.

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• Cisco VPNClient from Mac won't connect using iPhone Tethering

  - by Dan Short

  I just set up iPhone tethering from my Snow Leopard Macbook Pro to my iPhone 3GS with the Datapro 4GB plan from AT&T. When attempting to connect to my corporate VPN from the MacBook Pro with Cisco VPNClient 4.9.01 (0100) I get the following log information: Cisco Systems VPN Client Version 4.9.01 (0100) Copyright (C) 1998-2006 Cisco Systems, Inc. All Rights Reserved. Client Type(s): Mac OS X Running on: Darwin 10.6.0 Darwin Kernel Version 10.6.0: Wed Nov 10 18:13:17 PST 2010; root:xnu-1504.9.26~3/RELEASE_I386 i386 Config file directory: /etc/opt/cisco-vpnclient 1 13:02:50.791 02/22/2011 Sev=Info/4 CM/0x43100002 Begin connection process 2 13:02:50.791 02/22/2011 Sev=Warning/2 CVPND/0x83400011 Error -28 sending packet. Dst Addr: 0x0AD337FF, Src Addr: 0x0AD33702 (DRVIFACE:1158). 3 13:02:50.791 02/22/2011 Sev=Warning/2 CVPND/0x83400011 Error -28 sending packet. Dst Addr: 0x0A2581FF, Src Addr: 0x0A258102 (DRVIFACE:1158). 4 13:02:50.792 02/22/2011 Sev=Info/4 CM/0x43100004 Establish secure connection using Ethernet 5 13:02:50.792 02/22/2011 Sev=Info/4 CM/0x43100024 Attempt connection with server "209.235.253.115" 6 13:02:50.792 02/22/2011 Sev=Info/4 CVPND/0x43400019 Privilege Separation: binding to port: (500). 7 13:02:50.793 02/22/2011 Sev=Info/4 CVPND/0x43400019 Privilege Separation: binding to port: (4500). 8 13:02:50.793 02/22/2011 Sev=Info/6 IKE/0x4300003B Attempting to establish a connection with 209.235.253.115. 9 13:02:51.293 02/22/2011 Sev=Warning/2 CVPND/0x83400018 Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1319) 10 13:02:51.894 02/22/2011 Sev=Warning/2 CVPND/0x83400018 Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1319) 11 13:02:52.495 02/22/2011 Sev=Warning/2 CVPND/0x83400018 Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1319) 12 13:02:53.096 02/22/2011 Sev=Warning/2 CVPND/0x83400018 Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1319) 13 13:02:53.698 02/22/2011 Sev=Warning/2 CVPND/0x83400018 Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1319) 14 13:02:54.299 02/22/2011 Sev=Warning/2 CVPND/0x83400018 Output size mismatch. Actual: 0, Expected: 237. (DRVIFACE:1319) 15 13:02:54.299 02/22/2011 Sev=Info/4 IKE/0x43000075 Unable to acquire local IP address after 5 attempts (over 5 seconds), probably due to network socket failure. 16 13:02:54.299 02/22/2011 Sev=Warning/2 IKE/0xC300009A Failed to set up connection data 17 13:02:54.299 02/22/2011 Sev=Info/4 CM/0x4310001C Unable to contact server "209.235.253.115" 18 13:02:54.299 02/22/2011 Sev=Info/5 CM/0x43100025 Initializing CVPNDrv 19 13:02:54.300 02/22/2011 Sev=Info/4 CVPND/0x4340001F Privilege Separation: restoring MTU on primary interface. 20 13:02:54.300 02/22/2011 Sev=Info/4 IKE/0x43000001 IKE received signal to terminate VPN connection 21 13:02:54.300 02/22/2011 Sev=Info/4 IPSEC/0x43700008 IPSec driver successfully started 22 13:02:54.300 02/22/2011 Sev=Info/4 IPSEC/0x43700014 Deleted all keys 23 13:02:54.300 02/22/2011 Sev=Info/4 IPSEC/0x4370000D Key(s) deleted by Interface (192.168.0.171) 24 13:02:54.300 02/22/2011 Sev=Info/4 IPSEC/0x43700014 Deleted all keys 25 13:02:54.300 02/22/2011 Sev=Info/4 IPSEC/0x43700014 Deleted all keys 26 13:02:54.300 02/22/2011 Sev=Info/4 IPSEC/0x43700014 Deleted all keys 27 13:02:54.300 02/22/2011 Sev=Info/4 IPSEC/0x4370000A IPSec driver successfully stopped The key line is 15: 15 13:02:54.299 02/22/2011 Sev=Info/4 IKE/0x43000075 Unable to acquire local IP address after 5 attempts (over 5 seconds), probably due to network socket failure. I can't find anything online about this. I found a single entry for the error message in Google, and it was a swedish (or some other nordic language site) that didn't have an answer to the question. I've tried connecting through both USB and Bluetooth tethering to the iPhone, and they both return the exact same results. I don't have direct control over the firewall, but if changes are necessary to make it work, I may be able to get the powers-that-be to make adjustments. A solution that doesn't require reconfiguring the firewall would be far better of course... Does anyone know what I can do to make this behave? Thanks, Dan

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• How to install php-devel under CentOS 6.3 x64?

  - by Jeremy Dicaire

  I'm trying to install php-devel on my CentOS 6.3 VPS and get a failed dependencies test. From phpinfos(): SYSTEM Linux 2.6.32-279.5.2.el6.x86_64 #1 x86_64 NTS error: Failed dependencies: php(x86-64) = 5.4.6-1.el6.remi is needed by php-devel-5.4.6-1.el6.remi.x86_64 I've tried the following RPM packages: php54w-devel-5.4.6-1.w6.x86_64.rpm php-devel-5.4.6-1.el6.remi.i686.rpm php-devel-5.4.6-1.el6.remi.x86_64.rpm One of the above package gave me this: root@sv1 [/tmp]# rpm -Uvh php-devel-5.4.6-1.el6.remi.i686.rpm warning: php-devel-5.4.6-1.el6.remi.i686.rpm: Header V3 DSA/SHA1 Signature, key ID 00f97f56: NOKEY error: Failed dependencies: php(x86-32) = 5.4.6-1.el6.remi is needed by php-devel-5.4.6-1.el6.remi.i686 libbz2.so.1 is needed by php-devel-5.4.6-1.el6.remi.i686 libcom_err.so.2 is needed by php-devel-5.4.6-1.el6.remi.i686 libcrypto.so.10 is needed by php-devel-5.4.6-1.el6.remi.i686 libedit.so.0 is needed by php-devel-5.4.6-1.el6.remi.i686 libgmp.so.3 is needed by php-devel-5.4.6-1.el6.remi.i686 libgssapi_krb5.so.2 is needed by php-devel-5.4.6-1.el6.remi.i686 libk5crypto.so.3 is needed by php-devel-5.4.6-1.el6.remi.i686 libkrb5.so.3 is needed by php-devel-5.4.6-1.el6.remi.i686 libncurses.so.5 is needed by php-devel-5.4.6-1.el6.remi.i686 libssl.so.10 is needed by php-devel-5.4.6-1.el6.remi.i686 libstdc++.so.6 is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2 is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.4.30) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.5.2) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.6.0) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.6.11) is needed by php-devel-5.4.6-1.el6.remi.i686 libxml2.so.2(LIBXML2_2.6.5) is needed by php-devel-5.4.6-1.el6.remi.i686 libz.so.1 is needed by php-devel-5.4.6-1.el6.remi.i686 I don't know how to fix this error and download all the dependencies. Thank you. Edit 1 (for quanta): Here is "yum repolist": root@sv1 [/tmp]# yum repolist Loaded plugins: fastestmirror, presto Loading mirror speeds from cached hostfile * base: mirror.atlanticmetro.net * epel: mirror.cogentco.com * extras: mirror.atlanticmetro.net * rpmforge: mirror.us.leaseweb.net * updates: centos.mirror.choopa.net repo id repo name status base CentOS-6 - Base 5,980+366 epel Extra Packages for Enterprise Linux 6 - x86_64 6,493+1,272 extras CentOS-6 - Extras 4 rpmforge RHEL 6 - RPMforge.net - dag 2,123+2,310 updates CentOS-6 - Updates 499+29 repolist: 15,099 root@sv1 [/tmp]# rpm -qa | grep php didn't return any result. I forgot to mention I'm using cPanel/WHM Edit 2 after adding the Remi repo: >root@sv1 [/etc/yum.repos.d]# yum clean all Loaded plugins: fastestmirror, presto Cleaning repos: base epel extras remi remi-test rpmforge updates Cleaning up Everything Cleaning up list of fastest mirrors 1 delta-package files removed, by presto >root@sv1 [/etc/yum.repos.d]# yum repolist Loaded plugins: fastestmirror, presto Determining fastest mirrors epel/metalink | 12 kB 00:00 * base: centos.mirror.nac.net * epel: mirror.symnds.com * extras: centos.mirror.choopa.net * remi: remi-mirror.dedipower.com * remi-test: remi-mirror.dedipower.com * rpmforge: mirror.us.leaseweb.net * updates: centos.mirror.nac.net base | 3.7 kB 00:00 base/primary_db | 4.5 MB 00:00 epel | 4.3 kB 00:00 epel/primary_db | 4.7 MB 00:00 extras | 3.0 kB 00:00 extras/primary_db | 6.3 kB 00:00 remi | 2.9 kB 00:00 remi/primary_db | 330 kB 00:00 remi-test | 2.9 kB 00:00 remi-test/primary_db | 85 kB 00:00 rpmforge | 1.9 kB 00:00 rpmforge/primary_db | 2.5 MB 00:00 updates | 3.5 kB 00:00 updates/primary_db | 2.3 MB 00:00 repo id repo name status base CentOS-6 - Base 5,980+366 epel Extra Packages for Enterprise Linux 6 - x86_64 6,493+1,272 extras CentOS-6 - Extras 4 remi Les RPM de remi pour Enterprise Linux 6 - x86_64 96+564 remi-test Les RPM de remi en test pour Enterprise Linux 6 - x86_64 25+139 rpmforge RHEL 6 - RPMforge.net - dag 2,123+2,310 updates CentOS-6 - Updates 499+29 repolist: 15,220 >root@sv1 [/etc/yum.repos.d]# yum install php-devel Loaded plugins: fastestmirror, presto Loading mirror speeds from cached hostfile * base: centos.mirror.nac.net * epel: mirror.symnds.com * extras: centos.mirror.choopa.net * remi: remi-mirror.dedipower.com * remi-test: remi-mirror.dedipower.com * rpmforge: mirror.us.leaseweb.net * updates: centos.mirror.nac.net Setting up Install Process No package php-devel available. Error: Nothing to do >root@sv1 [/etc/yum.repos.d]#

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• Memcache on ubuntu server lucid and ruby 1.9.1

  - by Thiago

  Hi there, I'm trying to set up a memcache server on the above setup. I'm getting the following error: /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:443:in `load_missing_constant': uninitialized constant MemCache (NameError) from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:80:in `const_missing_with_dependencies' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:92:in `const_missing' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:18:in `<class:MemcacheQueueClient>' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:14:in `<module:Clients>' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:13:in `<module:Workling>' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:12:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /root/voicegateway/vendor/plugins/workling/lib/workling/remote/runners/client_runner.rb:2:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /root/voicegateway/vendor/plugins/workling/lib/workling/remote/runners/starling_runner.rb:1:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /root/voicegateway/vendor/plugins/workling/lib/workling/remote.rb:3:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:380:in `load' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:380:in `block in load_file' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:379:in `load_file' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:259:in `require_or_load' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:425:in `load_missing_constant' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:80:in `const_missing_with_dependencies' from /root/voicegateway/config/environments/development.rb:20:in `block in load_environment' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:386:in `eval' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:386:in `block in load_environment' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/core_ext/kernel/reporting.rb:11:in `silence_warnings' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:379:in `load_environment' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:137:in `process' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:113:in `run' from /root/voicegateway/config/environment.rb:9:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/commands/server.rb:84:in `<top (required)>' from ./server:3:in `require' from ./server:3:in `<main>' But memcache-client 1.8.3 is on the gem list. What's the problem?

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• Postfix sasl login failing no mechanism found

  - by Nat45928

  following the link here: http://flurdy.com/docs/postfix/ with posfix, courier, MySql, and sasl gave me a web server that has imap functionality working fine but when i go to log into the server to send a message using the same user id and password for connecting the the imap server it rejects my login to the smtp server. If i do not specify a login for the outgoing mail server then it will send the message just fine. the error in postfix's log is: Jul 6 17:26:10 Sj-Linux postfix/smtpd[19139]: connect from unknown[10.0.0.50] Jul 6 17:26:10 Sj-Linux postfix/smtpd[19139]: warning: SASL authentication failure: unable to canonify user and get auxprops Jul 6 17:26:10 Sj-Linux postfix/smtpd[19139]: warning: unknown[10.0.0.50]: SASL DIGEST-MD5 authentication failed: no mechanism available Jul 6 17:26:10 Sj-Linux postfix/smtpd[19139]: warning: unknown[10.0.0.50]: SASL LOGIN authentication failed: no mechanism available Ive checked all usernames and passwords for mysql. what could be going wrong? edit: here is some other information: installed libraires for postfix, courier and sasl: aptitude install postfix postfix-mysql aptitude install libsasl2-modules libsasl2-modules-sql libgsasl7 libauthen-sasl-cyrus-perl sasl2-bin libpam-mysql aptitude install courier-base courier-authdaemon courier-authlib-mysql courier-imap courier-imap-ssl courier-ssl and here is my /etc/postfix/main.cf myorigin = domain.com smtpd_banner = $myhostname ESMTP $mail_name biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. #myhostname = my hostname alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname local_recipient_maps = mydestination = relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all mynetworks_style = host # how long if undelivered before sending warning update to sender delay_warning_time = 4h # will it be a permanent error or temporary unknown_local_recipient_reject_code = 450 # how long to keep message on queue before return as failed. # some have 3 days, I have 16 days as I am backup server for some people # whom go on holiday with their server switched off. maximal_queue_lifetime = 7d # max and min time in seconds between retries if connection failed minimal_backoff_time = 1000s maximal_backoff_time = 8000s # how long to wait when servers connect before receiving rest of data smtp_helo_timeout = 60s # how many address can be used in one message. # effective stopper to mass spammers, accidental copy in whole address list # but may restrict intentional mail shots. # but may restrict intentional mail shots. smtpd_recipient_limit = 16 # how many error before back off. smtpd_soft_error_limit = 3 # how many max errors before blocking it. smtpd_hard_error_limit = 12 # Requirements for the HELO statement smtpd_helo_restrictions = permit_mynetworks, permit # Requirements for the sender details smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, warn_if_reject reject_non_fqdn_sender, reject_unknown_sender_domain, reject_unauth_pipelining, permit # Requirements for the connecting server smtpd_client_restrictions = reject_rbl_client sbl.spamhaus.org, reject_rbl_client blackholes.easynet.nl, reject_rbl_client dnsbl.njabl.org # Requirement for the recipient address smtpd_recipient_restrictions = reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, permit smtpd_data_restrictions = reject_unauth_pipelining # require proper helo at connections smtpd_helo_required = yes # waste spammers time before rejecting them smtpd_delay_reject = yes disable_vrfy_command = yes # not sure of the difference of the next two # but they are needed for local aliasing alias_maps = hash:/etc/postfix/aliases alias_database = hash:/etc/postfix/aliases # this specifies where the virtual mailbox folders will be located virtual_mailbox_base = /var/spool/mail/virtual # this is for the mailbox location for each user virtual_mailbox_maps = mysql:/etc/postfix/mysql_mailbox.cf # and this is for aliases virtual_alias_maps = mysql:/etc/postfix/mysql_alias.cf # and this is for domain lookups virtual_mailbox_domains = mysql:/etc/postfix/mysql_domains.cf # this is how to connect to the domains (all virtual, but the option is there) # not used yet # transport_maps = mysql:/etc/postfix/mysql_transport.cf virtual_uid_maps = static:5000 virtual_gid_maps = static:5000 # SASL smtpd_sasl_auth_enable = yes # If your potential clients use Outlook Express or other older clients # this needs to be set to yes broken_sasl_auth_clients = yes smtpd_sasl_security_options = noanonymous smtpd_sasl_local_domain =

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• why nginx rewrite post request from /login to //login?

  - by jiangchengwu

  There is a if statement, which will rewrite url when the client is Android. Everything ok. But, something got strange. Nginx will write post request /login to //login, even if the block of if statement is bank. So I got a 404 page. As the jetty server only accept /login request. Server conf: location / { proxy_pass http://localhost:8785/; proxy_set_header Host $http_host; proxy_set_header Remote-Addr $http_remote_addr; proxy_set_header X-Real-IP $remote_addr; if ( $http_user_agent ~ Android ){ # rewrite something, been commented } } Debug info, origin log https://gist.github.com/3799021 ... 2012/09/28 16:29:49 [debug] 26416#0: *1 http script regex: "Android" 2012/09/28 16:29:49 [notice] 26416#0: *1 "Android" matches "Android/1.0", client: 106.187.97.22, server: ireedr.com, request: "POST /login HTTP/1.1", host: "ireedr.com" ... 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "POST //login HTTP/1.0 Host: ireedr.com X-Real-IP: 106.187.97.22 Connection: close Accept-Encoding: identity, deflate, compress, gzip Accept: */* User-Agent: Android/1.0 " ... 2012/09/28 16:29:49 [debug] 26416#0: *1 HTTP/1.1 404 Not Found Server: nginx/1.2.1 Date: Fri, 28 Sep 2012 08:29:49 GMT Content-Type: text/html;charset=ISO-8859-1 Transfer-Encoding: chunked Connection: keep-alive Cache-Control: must-revalidate,no-cache,no-store Content-Encoding: gzip ... Only when I commented the block in the configration file: location / { proxy_pass http://localhost:8785/; proxy_set_header Host $http_host; proxy_set_header Remote-Addr $http_remote_addr; proxy_set_header X-Real-IP $remote_addr; #if ( $http_user_agent ~ Android ){ # #} } The client can get an 200 response. Debug info, origin log https://gist.github.com/3799023 ... "POST /login HTTP/1.0 Host: ireedr.com X-Real-IP: 106.187.97.22 Connection: close Accept-Encoding: identity, deflate, compress, gzip Accept: */* User-Agent: Android/1.0 " ... 2012/09/28 16:27:19 [debug] 26319#0: *1 HTTP/1.1 200 OK Server: nginx/1.2.1 Date: Fri, 28 Sep 2012 08:27:19 GMT Content-Type: application/json;charset=UTF-8 Content-Length: 17 Connection: keep-alive ... As the log: 2012/09/28 16:29:49 [notice] 26416#0: *1 "Android" matches "Android/1.0", client: 106.187.97.22, server: ireedr.com, request: "POST /login HTTP/1.1", host: "ireedr.com" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script if 2012/09/28 16:29:49 [debug] 26416#0: *1 post rewrite phase: 4 2012/09/28 16:29:49 [debug] 26416#0: *1 generic phase: 5 2012/09/28 16:29:49 [debug] 26416#0: *1 generic phase: 6 2012/09/28 16:29:49 [debug] 26416#0: *1 generic phase: 7 2012/09/28 16:29:49 [debug] 26416#0: *1 access phase: 8 2012/09/28 16:29:49 [debug] 26416#0: *1 access phase: 9 2012/09/28 16:29:49 [debug] 26416#0: *1 access phase: 10 2012/09/28 16:29:49 [debug] 26416#0: *1 post access phase: 11 2012/09/28 16:29:49 [debug] 26416#0: *1 try files phase: 12 2012/09/28 16:29:49 [debug] 26416#0: *1 posix_memalign: 0000000001E798F0:4096 @16 2012/09/28 16:29:49 [debug] 26416#0: *1 http init upstream, client timer: 0 2012/09/28 16:29:49 [debug] 26416#0: *1 epoll add event: fd:13 op:3 ev:80000005 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "Host: " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script var: "ireedr.com" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: " " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "X-Real-IP: " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script var: "106.187.97.22" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: " " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "Connection: close " 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "Accept-Encoding: identity, deflate, compress, gzip" 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "Accept: */*" 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "User-Agent: Android/1.0" 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "POST //login HTTP/1.0 Host: ireedr.com X-Real-IP: 106.187.97.22 Connection: close Accept-Encoding: identity, deflate, compress, gzip Accept: */* User-Agent: Android/1.0 " ... Maybe post rewrite phase had rewrite the request. Anybody can help me to solve this problem or know why nginx do that ? Much appreciated.

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• Neighbour table overflow on Linux hosts related to bridging and ipv6

  - by tim

  Note: I already have a workaround for this problem (as described below) so this is only a "want-to-know" question. I have a productive setup with around 50 hosts including blades running xen 4 and equallogics providing iscsi. All xen dom0s are almost plain Debian 5. The setup includes several bridges on every dom0 to support xen bridged networking. In total there are between 5 and 12 bridges on each dom0 servicing one vlan each. None of the hosts has routing enabled. At one point in time we moved one of the machines to a new hardware including a raid controller and so we installed an upstream 3.0.22/x86_64 kernel with xen patches. All other machines run debian xen-dom0-kernel. Since then we noticed on all hosts in the setup the following errors every ~2 minutes: [55888.881994] __ratelimit: 908 callbacks suppressed [55888.882221] Neighbour table overflow. [55888.882476] Neighbour table overflow. [55888.882732] Neighbour table overflow. [55888.883050] Neighbour table overflow. [55888.883307] Neighbour table overflow. [55888.883562] Neighbour table overflow. [55888.883859] Neighbour table overflow. [55888.884118] Neighbour table overflow. [55888.884373] Neighbour table overflow. [55888.884666] Neighbour table overflow. The arp table (arp -n) never showed more than around 20 entries on every machine. We tried the obvious tweaks and raised the /proc/sys/net/ipv4/neigh/default/gc_thresh* values. FInally to 16384 entries but no effect. Not even the interval of ~2 minutes changed which lead me to the conclusion that this is totally unrelated. tcpdump showed no uncommon ipv4 traffic on any interface. The only interesting finding from tcpdump were ipv6 packets bursting in like: 14:33:13.137668 IP6 fe80::216:3eff:fe1d:9d01 > ff02::1:ff1d:9d01: HBH ICMP6, multicast listener reportmax resp delay: 0 addr: ff02::1:ff1d:9d01, length 24 14:33:13.138061 IP6 fe80::216:3eff:fe1d:a8c1 > ff02::1:ff1d:a8c1: HBH ICMP6, multicast listener reportmax resp delay: 0 addr: ff02::1:ff1d:a8c1, length 24 14:33:13.138619 IP6 fe80::216:3eff:fe1d:bf81 > ff02::1:ff1d:bf81: HBH ICMP6, multicast listener reportmax resp delay: 0 addr: ff02::1:ff1d:bf81, length 24 14:33:13.138974 IP6 fe80::216:3eff:fe1d:eb41 > ff02::1:ff1d:eb41: HBH ICMP6, multicast listener reportmax resp delay: 0 addr: ff02::1:ff1d:eb41, length 24 which placed the idea in my mind that the problem maybe related to ipv6, since we have no ipv6 services in this setup. The only other hint was the coincidence of the host upgrade with the beginning of the problems. I powered down the host in question and the errors were gone. Then I subsequently took down the bridges on the host and when i took down (ifconfig down) one particularly bridge: br-vlan2159 Link encap:Ethernet HWaddr 00:26:b9:fb:16:2c inet6 addr: fe80::226:b9ff:fefb:162c/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:120 errors:0 dropped:0 overruns:0 frame:0 TX packets:9 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:5286 (5.1 KiB) TX bytes:726 (726.0 B) eth0.2159 Link encap:Ethernet HWaddr 00:26:b9:fb:16:2c inet6 addr: fe80::226:b9ff:fefb:162c/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1801 errors:0 dropped:0 overruns:0 frame:0 TX packets:20 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:126228 (123.2 KiB) TX bytes:1464 (1.4 KiB) bridge name bridge id STP enabled interfaces ... br-vlan2158 8000.0026b9fb162c no eth0.2158 br-vlan2159 8000.0026b9fb162c no eth0.2159 The errors went away again. As you can see the bridge holds no ipv4 address and it's only member is eth0.2159 so no traffic should cross it. Bridge and interface .2159 / .2157 / .2158 which are in all aspects identical apart from the vlan they are connected to had no effect when taken down. Now I disabled ipv6 on the entire host via sysctl net.ipv6.conf.all.disable_ipv6 and rebooted. After this even with bridge br-vlan2159 enabled no errors occur. Any ideas are welcome.

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• Strange Upload Problem on Hyper-V

  - by Ring0

  Hi, This one is driving me totally nuts. I have being trying to upload a file to www.virustotal.com (its a harmless exe I have since found out - DiskWipe.exe from diskwipe.org). Using IE8. From Win 7 and Win 2008 R2 Datacenter (which I select to boot from vhd's) onto my main machine hardware, and also on another Win 7 PC elsewhere on my network, when I upload the file to virustotal.com it works perfectly. So, using my native NIC's everything is fine. Using another machine also perfect. Right. OK, from my boot menu the default is my main development machine - the one I'm typing on now. This runs on the metal and has Hyper-V role and I have some guests. All guests are not running. Amazingly, from my console (root partition to be exact) or any guest OS 2003 /XP / 2008 R2 etc. My upload to virustotal.com slows at 32% then HANGS at 38.something% & never finishes!! Here is the kicker. I have another box (my main server) running Hyper-V on the metal and three live guests. Identical H/W to my main dev machine in another room. (Except OS is Datacenter - Mine is Enterprise). If I try and upload from its bare metal console or any guest this file to virustotal.com using IE8 it stops exactly in the same place!! As for "steps I have tried etc." are kind-of blown out of the water as my server box is doing the precise same thing as the machine in my room here. OK, comonalities: Mobo: Gigabyte GA-X58-UD5, 12GB Kingston RAM, Corei7 920 4 cores hyperthreading = 8 & Realtek RTL8168D/8111D Family PCI-E Gigabit Ethernet NIC's. All 3 machines have this same motherboard - revision F11 Bios, all have 12GB RAM, all have the Realtek Nic's. All x64 by the way as I mentioned before I have a Win 7 box also with the UD5 m/Board, 12 GB RAM - bit of an overkill. :-) All these machines when NOT running Hyper-V can upload this file. Perhaps you may like to try it on a Hyepr-v (2008 R2) yourselves with IE8 and the desktop experience is on. See if it works or fails for you. Root OS or any guest. So, looking like its the NIC + Hyper-V = Cannot upload this file (any file I must add.) Realtek Nic is Ver 7.002.1125.2008. Using IE8 I see in the nic settings there are the usual parameters for Jumbo frames / Checksum offloading etc. several others. Should I fiddle with these? I ran Netmon 3.3 in a guest and the TCP session halted as the upload failed. I suppose I could study that further. I dont have Netmon on the root partition machine (yet)! All OS's fully patched - including todays defender files. My box running Office 2007 - but identical server in another room is not. Also, if I fire up a VPN to a distant client and do the upload it works! Of course its a different network path. Suggestions welcome please. If I left out anything important - please yell at me. Many Thanks,

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• Memcache on ubuntu server lucid and ruby 1.9.1

  - by Thiago

  I'm trying to set up a memcache server on the above setup. I'm getting the following error: /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:443:in `load_missing_constant': uninitialized constant MemCache (NameError) from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:80:in `const_missing_with_dependencies' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:92:in `const_missing' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:18:in `<class:MemcacheQueueClient>' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:14:in `<module:Clients>' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:13:in `<module:Workling>' from /root/voicegateway/vendor/plugins/workling/lib/workling/clients/memcache_queue_client.rb:12:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /root/voicegateway/vendor/plugins/workling/lib/workling/remote/runners/client_runner.rb:2:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /root/voicegateway/vendor/plugins/workling/lib/workling/remote/runners/starling_runner.rb:1:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /root/voicegateway/vendor/plugins/workling/lib/workling/remote.rb:3:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:380:in `load' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:380:in `block in load_file' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:379:in `load_file' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:259:in `require_or_load' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:425:in `load_missing_constant' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:80:in `const_missing_with_dependencies' from /root/voicegateway/config/environments/development.rb:20:in `block in load_environment' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:386:in `eval' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:386:in `block in load_environment' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/core_ext/kernel/reporting.rb:11:in `silence_warnings' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:379:in `load_environment' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:137:in `process' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/initializer.rb:113:in `run' from /root/voicegateway/config/environment.rb:9:in `<top (required)>' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `block in require' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.9.1/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.9.1/gems/rails-2.3.8/lib/commands/server.rb:84:in `<top (required)>' from ./server:3:in `require' from ./server:3:in `<main>' But memcache-client 1.8.3 is on the gem list. What's the problem?

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• Call to daemon in a /etc/init.d script is blocking, not running in background

  - by tony

  I have a Perl script that I want to daemonize. Basically this perl script will read a directory every 30 seconds, read the files that it finds and then process the data. To keep it simple here consider the following Perl script (called synpipe_server, there is a symbolic link of this script in /usr/sbin/) : #!/usr/bin/perl use strict; use warnings; my $continue = 1; $SIG{'TERM'} = sub { $continue = 0; print "Caught TERM signal\n"; }; $SIG{'INT'} = sub { $continue = 0; print "Caught INT signal\n"; }; my $i = 0; while ($continue) { #do stuff print "Hello, I am running " . ++$i . "\n"; sleep 3; } So this script basically prints something every 3 seconds. Then, as I want to daemonize this script, I've also put this bash script (also called synpipe_server) in /etc/init.d/ : #!/bin/bash # synpipe_server : This starts and stops synpipe_server # # chkconfig: 12345 12 88 # description: Monitors all production pipelines # processname: synpipe_server # pidfile: /var/run/synpipe_server.pid # Source function library. . /etc/rc.d/init.d/functions pname="synpipe_server" exe="/usr/sbin/synpipe_server" pidfile="/var/run/${pname}.pid" lockfile="/var/lock/subsys/${pname}" [ -x $exe ] || exit 0 RETVAL=0 start() { echo -n "Starting $pname : " daemon ${exe} RETVAL=$? PID=$! echo [ $RETVAL -eq 0 ] && touch ${lockfile} echo $PID > ${pidfile} } stop() { echo -n "Shutting down $pname : " killproc ${exe} RETVAL=$? echo if [ $RETVAL -eq 0 ]; then rm -f ${lockfile} rm -f ${pidfile} fi } restart() { echo -n "Restarting $pname : " stop sleep 2 start } case "$1" in start) start ;; stop) stop ;; status) status ${pname} ;; restart) restart ;; *) echo "Usage: $0 {start|stop|status|restart}" ;; esac exit 0 So, (if I have well understood the doc for daemon) the Perl script should run in the background and the output should be redirected to /dev/null if I execute : service synpipe_server start But here is what I get instead : [root@master init.d]# service synpipe_server start Starting synpipe_server : Hello, I am running 1 Hello, I am running 2 Hello, I am running 3 Hello, I am running 4 Caught INT signal [ OK ] [root@master init.d]# So it starts the Perl script but runs it without detaching it from the current terminal session, and I can see the output printed in my console ... which is not really what I was expecting. Moreover, the PID file is empty (or with a line feed only, no pid returned by daemon). Does anyone have any idea of what I am doing wrong ? EDIT : maybe I should say that I am on a Red Hat machine. Scientific Linux SL release 5.4 (Boron) Would it do the job if instead of using the daemon function, I use something like : nohup ${exe} >/dev/null 2>&1 & in the init script ?

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• Bonding: works only for download

  - by Crazy_Bash

  I would like to install bonding with 4 links with mode 4. but only "download/receiving" works with bondig. for transmitting the system chooses one link. ifconfig bond0 Link encap:Ethernet HWaddr 90:E2:BA:0F:76:B4 inet addr:ip Bcast:ip Mask:255.255.255.248 inet6 addr: fe80::92e2:baff:fe0f:76b4/64 Scope:Link UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1 RX packets:239187413 errors:0 dropped:10944 overruns:0 frame:0 TX packets:536902370 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:14688536197 (13.6 GiB) TX bytes:799521192901 (744.6 GiB) eth2 Link encap:Ethernet HWaddr 90:E2:BA:0F:76:B4 UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:54969488 errors:0 dropped:0 overruns:0 frame:0 TX packets:2537 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3374778591 (3.1 GiB) TX bytes:314290 (306.9 KiB) eth3 Link encap:Ethernet HWaddr 90:E2:BA:0F:76:B4 UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:64935805 errors:0 dropped:1 overruns:0 frame:0 TX packets:2532 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3993499746 (3.7 GiB) TX bytes:313968 (306.6 KiB) eth4 Link encap:Ethernet HWaddr 90:E2:BA:0F:76:B4 UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:57352105 errors:0 dropped:2 overruns:0 frame:0 TX packets:536894778 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3524236530 (3.2 GiB) TX bytes:799520265627 (744.6 GiB) eth5 Link encap:Ethernet HWaddr 90:E2:BA:0F:76:B4 UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:61930025 errors:0 dropped:3 overruns:0 frame:0 TX packets:2540 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:3796021948 (3.5 GiB) TX bytes:314274 (306.9 KiB) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:62 errors:0 dropped:0 overruns:0 frame:0 TX packets:62 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:5320 (5.1 KiB) TX bytes:5320 (5.1 KiB) those are my configs: DEVICE="eth2" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE="eth3" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE="eth4" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE="eth5" BOOTPROTO="none" MASTER=bond0 SLAVE=yes USERCTL=no NM_CONTROLLED="no" ONBOOT="yes" DEVICE=bond0 IPADDR=<ip> BROADCAST=<ip> NETWORK=<ip> GATEWAY=<ip> NETMASK=<ip> USERCTL=no BOOTPROTO=none ONBOOT=yes NM_CONTROLLED=no cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) Bonding Mode: IEEE 802.3ad Dynamic link aggregation Transmit Hash Policy: layer2 (0) MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 802.3ad info LACP rate: slow Aggregator selection policy (ad_select): stable Active Aggregator Info: Aggregator ID: 1 Number of ports: 4 Actor Key: 17 Partner Key: 11 Partner Mac Address: 00:24:51:12:63:00 Slave Interface: eth2 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 90:e2:ba:0f:76:b4 Aggregator ID: 1 Slave queue ID: 0 Slave Interface: eth3 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 90:e2:ba:0f:76:b5 Aggregator ID: 1 Slave queue ID: 0 Slave Interface: eth4 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 90:e2:ba:0f:76:b6 Aggregator ID: 1 Slave queue ID: 0 Slave Interface: eth5 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 90:e2:ba:0f:76:b7 Aggregator ID: 1 Slave queue ID: 0 /etc/modprobe.d/bonding.conf alias bond0 bonding options bond0 mode=4 miimon=100 updelay=200 #downdelay=200 xmit_hash_policy=layer3+4 lacp_rate=1 Linux: Linux 3.0.0+ #1 SMP Fri Oct 26 07:55:47 EEST 2012 x86_64 x86_64 x86_64 GNU/Linux what i've tried: downdelay=200 xmit_hash_policy=layer3+4 lacp_rate=1 mode 6

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• Unable to remove limit on memory usage for PHP script.

  - by Jess Telford

  The Situation I am having an issue with a PHP script getting the following error message: Fatal error: Out of memory (allocated 359923712) (tried to allocate 72 bytes) in /path/to/piwik/core/DataTable.php on line 969 The script I'm running is: /path/to/piwik/misc/cron/archive.sh I am assuming the numbers are Bytes, which means that total is approximately 360MB. For all intents and purposes, I have increased the memory limits on the server well above 360MB, yet this is the number (give or take a byte) it consistently errors out at. Please note: This question is not about fixing a memory leak in the script, nor about why the script itself is using so much memory. The script is part of the Piwik archiving process, so I cannot just fix any memory leaks, etc. For more info on this script and why I am increasing the memory limit, see "How to setup auto archiving" The question Given that the script is attempting to use over 360MB of memory, which I cannot change, why does it not seem possible for me to increase the amount of memory available to php on my server? What I've tried Increasing PHP's memory_limit Given the php.ini file: php -i | grep php.ini Configuration File (php.ini) Path => /usr/local/lib Loaded Configuration File => /usr/local/lib/php.ini I have edited that file, so the memory_limit directive reads; memory_limit = -1 Restart Apache, and check the new value has stuck; $ php -i | grep memory_limit memory_limit => -1 => -1 Run the script, and get the same error. I've also tried 1G, 768M, etc, all to the same result (ie; no change). Update 22nd June: Based on Vangel's help, I have attempted to set post_max_size to 20M in combination with setting memory_limit. Again, this has no effect. Removing the memory limit on child processes of Apache I have found and edited the httpd.conf file to make sure there is no RLimitMEM directive. I then used WHM's Apache Configuration Memory Usage Restrictions to generate a restriction, which it claimed was at 1000M (and confirmed by checking httpd.conf). Both of these resulted in no change to the script erroring at 360MB. Increasing the per process memory limits of Linux The current limits set on the system: $ ulimit -m 524288 $ ulimit -v 524288 I have attempted to set both of these to unlimited: $ ulimit -m unlimited $ ulimit -v unlimited $ ulimit -m unlimited $ ulimit -v unlimited Once again, this has resulted in absolutely no improvement in my problem. My setup $ cat /etc/redhat-release CentOS release 5.5 (Final) $ uname -a Linux example.com 2.6.18-164.15.1.el5 #1 SMP Wed Mar 17 11:30:06 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux $ php -i | grep "PHP Version" PHP Version => 5.2.9 $ httpd -V Server version: Apache/2.0.63 Server built: Feb 2 2011 01:25:12 Cpanel::Easy::Apache v3.2.0 rev5291 Server's Module Magic Number: 20020903:13 Server loaded: APR 0.9.17, APR-UTIL 0.9.15 Compiled using: APR 0.9.17, APR-UTIL 0.9.15 Architecture: 64-bit Server compiled with.... -D APACHE_MPM_DIR="server/mpm/prefork" -D APR_HAS_SENDFILE -D APR_HAS_MMAP -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled) -D APR_USE_SYSVSEM_SERIALIZE -D APR_USE_PTHREAD_SERIALIZE -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT -D APR_HAS_OTHER_CHILD -D AP_HAVE_RELIABLE_PIPED_LOGS -D HTTPD_ROOT="/usr/local/apache" -D SUEXEC_BIN="/usr/local/apache/bin/suexec" -D DEFAULT_PIDLOG="logs/httpd.pid" -D DEFAULT_SCOREBOARD="logs/apache_runtime_status" -D DEFAULT_LOCKFILE="logs/accept.lock" -D DEFAULT_ERRORLOG="logs/error_log" -D AP_TYPES_CONFIG_FILE="conf/mime.types" -D SERVER_CONFIG_FILE="conf/httpd.conf" Output of $ php -i: http://pastebin.com/EiRut6Nm

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• SELF-SOLVED AutoHotkey Function GetMouseTaskbutton need to adapt for 64-bit OS

  - by auntyEEK

  SOLVED VIA SELF-HELP, HAIR-PULLING, AND TEETH-GRINDING. THANKS ANYWAY....... I'm using the GetMouseTaskbutton function from this thread on AHK forum. [http://www.autohotkey.com/forum/topic22763.html&highlight=getmousetaskbutton][1] ; Gets the index+1 of the taskbar button which the mouse is hovering over. ; Returns an empty string if the mouse is not over the taskbar's task toolbar. ; ; Some code and inspiration from Sean's TaskButton.ahk GetMouseTaskButton(ByRef hwnd) { MouseGetPos, x, y, win, ctl, 2 ; Check if hovering over taskbar. WinGetClass, cl, ahk_id %win% if (cl != "Shell_TrayWnd") return ; Check if hovering over a Toolbar. WinGetClass, cl, ahk_id %ctl% if (cl != "ToolbarWindow32") return ; Check if hovering over task-switching buttons (specific toolbar). hParent := DllCall("GetParent", "Uint", ctl) WinGetClass, cl, ahk_id %hParent% if (cl != "MSTaskSwWClass") return WinGet, pidTaskbar, PID, ahk_class Shell_TrayWnd hProc := DllCall("OpenProcess", "Uint", 0x38, "int", 0, "Uint", pidTaskbar) pRB := DllCall("VirtualAllocEx", "Uint", hProc , "Uint", 0, "Uint", 20, "Uint", 0x1000, "Uint", 0x4) VarSetCapacity(pt, 8, 0) NumPut(x, pt, 0, "int") NumPut(y, pt, 4, "int") ; Convert screen coords to toolbar-client-area coords. DllCall("ScreenToClient", "uint", ctl, "uint", &pt) ; Write POINT into explorer.exe. DllCall("WriteProcessMemory", "uint", hProc, "uint", pRB+0, "uint", &pt, "uint", 8, "uint", 0) ; SendMessage, 0x447,,,, ahk_id %ctl% ; TB_GETHOTITEM SendMessage, 0x445, 0, pRB,, ahk_id %ctl% ; TB_HITTEST btn_index := ErrorLevel ; Convert btn_index to a signed int, since result may be -1 if no 'hot' item. if btn_index 0x7FFFFFFF btn_index := -(~btn_index) - 1 if (btn_index > -1) { ; Get button info. SendMessage, 0x417, btn_index, pRB,, ahk_id %ctl% ; TB_GETBUTTON VarSetCapacity(btn, 20) DllCall("ReadProcessMemory", "Uint", hProc , "Uint", pRB, "Uint", &btn, "Uint", 20, "Uint", 0) state := NumGet(btn, 8, "UChar") ; fsState pdata := NumGet(btn, 12, "UInt") ; dwData ret := DllCall("ReadProcessMemory", "Uint", hProc , "Uint", pdata, "UintP", hwnd, "Uint", 4, "Uint", 0) } else hwnd = 0 DllCall("VirtualFreeEx", "Uint", hProc, "Uint", pRB, "Uint", 0, "Uint", 0x8000) DllCall("CloseHandle", "Uint", hProc) ; Negative values indicate seperator items. (abs(btn_index) is the index) return btn_index > -1 ? btn_index+1 : 0 } It identifies the owner of the hovered taskbar button. I'm using it in a routine to auto-activate window by hovering its taskbar button, and also a routine to close inactive window by middle-click on its taskbar button. Works great on my XP machine. The author had stated that the function does work in Vista, but it refuses to work for me in Vista 64-bit, so apparently it is only valid in 32-bit. And I am very new to AHK, and don't know how to adapt it. Unfortunately, my queries at the site sank without a trace. Does anyone have advice for me? I will be most grateful. Thanks.

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• MacBook Pro 10.6 losing dns service, network connection still functional if you know the ip address.

  - by Vincent

  MacBook pro connected to a wireless network (not sure about wired) I lose DNS. I still have a functioning connection and as long as I know the ip address of the website, server... for example skype works, ssh name@ipaddress, .... Things can be working properly and then just quit, Once I was im via skype and lost dns skype continued to work. This has happened in multiple locations on private and public networks. What does not work/fix it: Resetting router changing dns server on computer or router connecting to another network removing the airport interface and adding it back flushing dns The only solution seems to be a restart. A solution to this would be great, but any ideas of this to try would be great. Even a sure way to reproduce this would be useful. Maybe related question: But this is most definitely not true for me. "if I refresh enough -- 3 to 4 times --, it will usually pull up the site. " Here are some tests from terminal. Basically this confirms dns in not functioning vmd17:~ vmd$ ping google.com ping: cannot resolve google.com: Unknown host Trace route to google dns, This works vmd17:~ vmd$ /usr/sbin/traceroute -n -w 2 -q 2 -m 30 8.8.8.8 traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 52 byte packets 1 192.168.1.1 5.195 ms 2.519 ms 2 67.172.136.1 31.881 ms 9.177 ms 3 68.85.107.121 12.168 ms 10.003 ms 4 68.86.103.41 12.021 ms 9.594 ms 5 68.86.91.1 16.712 ms 12.837 ms 6 68.86.86.210 29.951 ms 25.826 ms 7 68.86.87.218 29.554 ms 42.894 ms 8 75.149.231.70 68.271 ms 68.362 ms 9 72.14.233.77 141.178 ms 72.14.233.85 82.553 ms 10 72.14.238.243 83.381 ms 82.811 ms 11 72.14.232.213 194.387 ms 72.14.232.215 84.837 ms 12 209.85.253.145 100.294 ms * 13 8.8.8.8 101.689 ms 89.694 ms 208.67.222.22 is the ip address of opendns dns server vmd17:~ vmd$ dig @208.67.222.222 8.8.8.8 ; <<>> DiG 9.6.0-APPLE-P2 <<>> @208.67.222.222 8.8.8.8 ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached vmd17:~ vmd$ dig @208.67.222.222 gogle.com vmd17:~ vmd$ dig @208.67.222.222 google.com ; <<>> DiG 9.6.0-APPLE-P2 <<>> @208.67.222.222 google.com ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached vmd17:~ vmd$ dig @8.8.8.8 google.com ; <<>> DiG 9.6.0-APPLE-P2 <<>> @8.8.8.8 google.com ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached

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• Oracle Virtual Server OEL vm fails to start - kernel panic on cpu identify

  - by Towndrunk

  I am in the process of following a guide to setup various oracle vm templates, so far I have installed OVS 2. 2 and got the OVM Manager working, imported the template for OEL5U5 and created a vm from it.. the problem comes when starting that vm. The log in the OVMM console shows the following; Update VM Status - Running Configure CPU Cap Set CPU Cap: failed:<Exception: failed:<Exception: ['xm', 'sched-credit', '-d', '32_EM11g_OVM', '-c', '0'] => Error: Domain '32_EM11g_OVM' does not exist. StackTrace: File "/opt/ovs-agent-2.3/OVSXXenVMConfig.py", line 2531, in xen_set_cpu_cap run_cmd(args=['xm', File "/opt/ovs-agent-2.3/OVSCommons.py", line 92, in run_cmd raise Exception('%s => %s' % (args, err)) The xend.log shows; [2012-11-12 16:42:01 7581] DEBUG (DevController:139) Waiting for devices vtpm [2012-11-12 16:42:01 7581] INFO (XendDomain:1180) Domain 32_EM11g_OVM (3) unpaused. [2012-11-12 16:42:03 7581] WARNING (XendDomainInfo:1907) Domain has crashed: name=32_EM11g_OVM id=3. [2012-11-12 16:42:03 7581] ERROR (XendDomainInfo:2041) VM 32_EM11g_OVM restarting too fast (Elapsed time: 11.377262 seconds). Refusing to restart to avoid loops .> [2012-11-12 16:42:03 7581] DEBUG (XendDomainInfo:2757) XendDomainInfo.destroy: domid=3 [2012-11-12 16:42:12 7581] DEBUG (XendDomainInfo:2230) Destroying device model [2012-11-12 16:42:12 7581] INFO (image:553) 32_EM11g_OVM device model terminated I have set_on_crash="preserve" in the vm.cfg and have then run xm create -c to get the console screen while booting and this is the log of what happens.. Started domain 32_EM11g_OVM (id=4) Bootdata ok (command line is ro root=LABEL=/ ) Linux version 2.6.18-194.0.0.0.3.el5xen ([email protected]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Mon Mar 29 18:27:00 EDT 2010 BIOS-provided physical RAM map: Xen: 0000000000000000 - 0000000180800000 (usable)> No mptable found. Built 1 zonelists. Total pages: 1574912 Kernel command line: ro root=LABEL=/ Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Xen reported: 1600.008 MHz processor. Console: colour dummy device 80x25 Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) Software IO TLB disabled Memory: 6155256k/6299648k available (2514k kernel code, 135548k reserved, 1394k data, 184k init) Calibrating delay using timer specific routine.. 4006.42 BogoMIPS (lpj=8012858) Security Framework v1.0.0 initialized SELinux: Initializing. selinux_register_security: Registering secondary module capability Capability LSM initialized as secondary Mount-cache hash table entries: 256 CPU: L1 I Cache: 64K (64 bytes/line), D cache 16K (64 bytes/line) CPU: L2 Cache: 2048K (64 bytes/line) general protection fault: 0000 [1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 0, comm: swapper Not tainted 2.6.18-194.0.0.0.3.el5xen #1 RIP: e030:[ffffffff80271280] [ffffffff80271280] identify_cpu+0x210/0x494 RSP: e02b:ffffffff80643f70 EFLAGS: 00010212 RAX: 0040401000810008 RBX: 0000000000000000 RCX: 00000000c001001f RDX: 0000000000404010 RSI: 0000000000000001 RDI: 0000000000000005 RBP: ffffffff8063e980 R08: 0000000000000025 R09: ffff8800019d1000 R10: 0000000000000026 R11: ffff88000102c400 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff805d2000(0000) knlGS:0000000000000000 CS: e033 DS: 0000 ES: 0000 Process swapper (pid: 0, threadinfo ffffffff80642000, task ffffffff804f4b80) Stack: 0000000000000000 ffffffff802d09bb ffffffff804f4b80 0000000000000000 0000000021100800 0000000000000000 0000000000000000 ffffffff8064cb00 0000000000000000 0000000000000000 Call Trace: [ffffffff802d09bb] kmem_cache_zalloc+0x62/0x80 [ffffffff8064cb00] start_kernel+0x210/0x224 [ffffffff8064c1e5] _sinittext+0x1e5/0x1eb Code: 0f 30 b8 73 00 00 00 f0 0f ab 45 08 e9 f0 00 00 00 48 89 ef RIP [ffffffff80271280] identify_cpu+0x210/0x494 RSP ffffffff80643f70 0 Kernel panic - not syncing: Fatal exception clear as mud to me. are there any other logs that will help me? I have now deployed another vm from the same template and used the default vm settings rather than adding more memory etc - I get exactly the same error.

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