office 97 - Page 112 - Developer IT

A Bridge to Open Source

Next week, several members of the Open Source Programs office will be in Portland, OR for the second Open Source Bridge conference which takes place over four days...

Android at Google I/O 2010

The Android intensity at Google I/O 2010 was definitely palpable. The Android presence included all of Day 2’s keynote along with a full session track, office hours, an...

SEO and Increasing Website Traffic

In today's modern world, a website is the equivalent of a huge billboard outside your office. It is your advertising window to all your customers and you want people to see it. There is not much point in having an all singing, all dancing website that nobody visits!

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OpenSwan IPSec phase #2 complications

- by XXL

Phase #1 (IKE) succeeds without any problems (verified at the target host). Phase #2 (IPSec), however, is erroneous at some point (apparently due to misconfiguration on localhost). This should be an IPSec-only connection. I am using OpenSwan on Debian. The error log reads the following (the actual IP-addr. of the remote endpoint has been modified): pluto[30868]: "x" #2: initiating Quick Mode PSK+ENCRYPT+PFS+UP+IKEv2ALLOW+SAREFTRACK {using isakmp#1 msgid:5ece82ee proposal=AES(12)_256-SHA1(2)_160 pfsgroup=OAKLEY_GROUP_DH22} pluto[30868]: "x" #1: ignoring informational payload, type NO_PROPOSAL_CHOSEN msgid=00000000 pluto[30868]: "x" #1: received and ignored informational message pluto[30868]: "x" #1: the peer proposed: 0.0.0.0/0:0/0 - 0.0.0.0/0:0/0 pluto[30868]: "x" #3: responding to Quick Mode proposal {msgid:a4f5a81c} pluto[30868]: "x" #3: us: 192.168.1.76<192.168.1.76[+S=C] pluto[30868]: "x" #3: them: 222.222.222.222<222.222.222.222[+S=C]===10.196.0.0/17 pluto[30868]: "x" #3: transition from state STATE_QUICK_R0 to state STATE_QUICK_R1 pluto[30868]: "x" #3: STATE_QUICK_R1: sent QR1, inbound IPsec SA installed, expecting QI2 pluto[30868]: "x" #1: ignoring informational payload, type NO_PROPOSAL_CHOSEN msgid=00000000 pluto[30868]: "x" #1: received and ignored informational message pluto[30868]: "x" #3: next payload type of ISAKMP Hash Payload has an unknown value: 97 X pluto[30868]: "x" #3: malformed payload in packet pluto[30868]: | payload malformed after IV I am behind NAT and this is all coming from wlan2. Here are the details: default via 192.168.1.254 dev wlan2 proto static 169.254.0.0/16 dev wlan2 scope link metric 1000 192.168.1.0/24 dev wlan2 proto kernel scope link src 192.168.1.76 metric 2 Output of ipsec verify: Checking your system to see if IPsec got installed and started correctly: Version check and ipsec on-path [OK] Linux Openswan U2.6.37/K3.2.0-24-generic (netkey) Checking for IPsec support in kernel [OK] SAref kernel support [N/A] NETKEY: Testing XFRM related proc values [OK] [OK] [OK] Checking that pluto is running [OK] Pluto listening for IKE on udp 500 [OK] Pluto listening for NAT-T on udp 4500 [OK] Two or more interfaces found, checking IP forwarding [OK] Checking NAT and MASQUERADEing [OK] Checking for 'ip' command [OK] Checking /bin/sh is not /bin/dash [WARNING] Checking for 'iptables' command [OK] Opportunistic Encryption Support [DISABLED] This is what happens when I run ipsec auto --up x: 104 "x" #1: STATE_MAIN_I1: initiate 003 "x" #1: received Vendor ID payload [RFC 3947] method set to=109 106 "x" #1: STATE_MAIN_I2: sent MI2, expecting MR2 003 "x" #1: received Vendor ID payload [Cisco-Unity] 003 "x" #1: received Vendor ID payload [Dead Peer Detection] 003 "x" #1: ignoring unknown Vendor ID payload [502099ff84bd4373039074cf56649aad] 003 "x" #1: received Vendor ID payload [XAUTH] 003 "x" #1: NAT-Traversal: Result using RFC 3947 (NAT-Traversal): i am NATed 108 "x" #1: STATE_MAIN_I3: sent MI3, expecting MR3 004 "x" #1: STATE_MAIN_I4: ISAKMP SA established {auth=OAKLEY_PRESHARED_KEY cipher=aes_128 prf=oakley_sha group=modp1024} 117 "x" #2: STATE_QUICK_I1: initiate 010 "x" #2: STATE_QUICK_I1: retransmission; will wait 20s for response 010 "x" #2: STATE_QUICK_I1: retransmission; will wait 40s for response 031 "x" #2: max number of retransmissions (2) reached STATE_QUICK_I1. No acceptable response to our first Quick Mode message: perhaps peer likes no proposal 000 "x" #2: starting keying attempt 2 of at most 3, but releasing whack I have enabled NAT traversal in ipsec.conf accordingly. Here are the settings relative to the connection in question: version 2.0 config setup plutoopts="--perpeerlog" plutoopts="--interface=wlan2" dumpdir=/var/run/pluto/ nat_traversal=yes virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12 oe=off protostack=netkey conn x authby=secret pfs=yes auto=add phase2alg=aes256-sha1;dh22 keyingtries=3 ikelifetime=8h type=transport left=192.168.1.76 leftsubnet=192.168.1.0/24 leftprotoport=0/0 right=222.222.222.222 rightsubnet=10.196.0.0/17 rightprotoport=0/0 Here are the specs provided by the other end that must be met for Phase #2: encryption algorithm: AES (128 or 256 bit) hash algorithm: SHA local ident1 (addr/mask/prot/port): (10.196.0.0/255.255.128.0/0/0) local ident2 (addr/mask/prot/port): (10.241.0.0/255.255.0.0/0/0) remote ident (addr/mask/prot/port): (x.x.x.x/x.x.x.x/0/0) (internal network or localhost) Security association lifetime: 4608000 kilobytes/3600 seconds PFS: DH group2 So, finally, what might be the cause of the issue that I am experiencing? Thank you.

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Need help merging 2 AHK scripts

- by Mikey

i have two functioning scripts that i want to merge into a single AHK File. My problem is that when i combine both scripts, the second script doesnt function or causes an error on script 1. Either way, script 2 ist not functioning at all. Here are some facts: Script 1 = a simple menu script where i want to assign hotkeys to. Script 2 = A small launcher script from a user named Tertius in autohotkey forum. Can someone please look at both codes and help me merge this? The INI File for script 2 looks like this: Keywords.ini npff|Firefox|Firefox gm|Gmail|http://gmail.google.com ;;;;;;;;;;;; BEGIN SCRIPT 2 DetectHiddenWindows, On SetWinDelay, -1 SetKeyDelay, -1 SetBatchLines, -1 GoSub Remin SetTimer, Remin, % 1000 * 60 Loop, read, %A_ScriptDir%\keywords.ini { LineNumber = %A_Index% Loop, parse, A_LoopReadLine, | { if (A_Index == 1) abbrevs%LineNumber% := A_LoopField else if (A_Index == 2) tips%LineNumber% := A_LoopField else if (A_Index == 3) programs%LineNumber% := A_LoopField else if (A_Index == 4) params%LineNumber% := A_LoopField } tosay := abbrevs%LineNumber% } cnt = %LineNumber% Loop { Input, Key, L1 V, % "{LControl}{RControl}{LAlt}{RAlt}{LShift}{RShift}{LWin}{RWin}" . "{AppsKey}{F1}{F2}{F3}{F4}{F5}{F6}{F7}{F8}{F9}{F10}{F11}{F12}{Left}{Right}{Up}{Down}" . "{Home}{End}{PgUp}{PgDn}{Del}{Ins}{BS}{Capslock}{Numlock}{PrintScreen}{Pause}{Escape}" If( ( Asc(Key) = 65 && Asc(Key) <= 90 ) || ( Asc(Key) = 97 && Asc(Key) <= 122 ) ) Word .= Key Else { Word := "" Continue } tipup := false Loop %cnt% { if (Word == abbrevs%A_index%) { tip := tips%A_index% ToolTip %tip% tipup := true } else { if (tipup == false) ToolTip } } } $Tab:: Loop %cnt% { if (Word != "" && Word == abbrevs%A_index%) { Word := "" StringLen, len, abbrevs%A_index% Loop %len% Send {Shift Down}{Left} Send {Shift Up}{BS} ToolTip program := programs%A_index% param := params%A_index% run, %program% %param% return } } Word := "" Send {Tab} Return ~LButton:: ~MButton:: ~RButton:: ~XButton1:: ~XButton2:: Word := "" Tooltip Return Remin: WinMinimize, %A_ScriptFullPath% - AutoHotkey v WinHide, %A_ScriptFullPath% - AutoHotkey v Return ;;;;;;;;;; END SCRIPT 2 ;;;;;;;;;;;;;; BEGIN SCRIPT 1 ;This is a working script that creates a popup menu. ; Create the popup menu by adding some items to it. Menu, MyMenu, Add, FIS 201, MenuHandler Menu, MyMenu, Add ; Add a separator line. Menu, MyMenu, Color, Lime, Single ;Define the Menu Color ; Create another menu destined to become a submenu of the above menu. Menu, Submenu1, Add, Item2, MenuHandler Menu, Submenu1, Add, Item3, MenuHandler Menu, Submenu1, Color, Yellow ;Define the Menu Color ; Create another menu destined to become a submenu of the above menu. Menu, Submenu2, Add, Item1a, MenuHandler Menu, Submenu2, Add, Item2a, MenuHandler Menu, Submenu2, Add, Item3a, MenuHandler Menu, Submenu2, Add, Item4a, MenuHandler Menu, Submenu2, Add, Item5a, MenuHandler Menu, Submenu2, Add, Item6a, MenuHandler Menu, Submenu2, Color, Aqua ;Define the Menu Color ; Create a submenu in the first menu (a right-arrow indicator). When the user selects it, the second menu is displayed. Menu, MyMenu, Add, BKRS 119, :Submenu1 Menu, MyMenu, Add ; Add a separator line below the submenu. Menu, MyMenu, Add, BKRS 201, :Submenu2 Menu, MyMenu, Add ; Add a separator line below the submenu. Menu, MyMenu, Add ; Add a separator line below the submenu. Menu, MyMenu, Add, Google Search, Google ; Add another menu item beneath the submenu. return ; End of script's auto-execute section. Capslock & LButton::Menu, MyMenu, Show ; i.e. press the Win-Z hotkey to show the menu. MenuHandler: MsgBox You selected %A_ThisMenuItem% from the menu %A_ThisMenu%. return ;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;; Google Search ;;; FORMAT InputBox, OutputVar [, Title, Prompt, HIDE, Width, Height, X, Y, Font, Timeout, Default] Google: InputBox, SearchTerm, Google Search,,,350, 120 if SearchTerm < "" Run http://www.google.de/search?sclient=psy-ab&hl=de&site=&source=hp&q=%SearchTerm%&btnG=Suche return ; Make Window Transparent Space::WinSet, Transparent, 125, A ^!Space UP::WinSet, Transparent, OFF, A return ;;;;;;;;;;; END SCRIPT 1 Help is appreciated. Kind Regards, Mikey

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What is consuming so much memory?

- by Christopher

Hi, I am having a few problems with my server. It is throwing up intermittant errors and running quite slow. Here is the output from top: top - 07:33:33 up 18:57, 1 user, load average: 0.00, 0.00, 0.00 Tasks: 90 total, 1 running, 82 sleeping, 7 stopped, 0 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 1048576k total, 1048576k used, 0k free, 0k buffers Swap: 0k total, 0k used, 0k free, 0k cached Ordered by %MEM: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 9597 root 16 0 276m 91m 15m S 0.0 8.9 0:29.38 java 9564 tomcat 15 0 249m 34m 11m S 0.0 3.4 0:11.79 java 9636 root 18 0 54804 24m 9784 S 0.0 2.4 0:02.58 httpd 26139 apache 15 0 57520 23m 5996 S 0.0 2.3 0:00.15 httpd 16264 apache 18 0 56984 23m 6104 S 0.0 2.2 0:00.21 httpd 24294 apache 15 0 57512 22m 5864 S 0.0 2.2 0:00.17 httpd 30231 apache 15 0 57272 22m 5748 S 0.0 2.2 0:00.97 httpd 32257 apache 15 0 57512 22m 5416 S 0.0 2.2 0:00.46 httpd 19947 apache 15 0 57512 22m 5320 S 0.0 2.2 0:00.19 httpd 26148 apache 15 0 56688 22m 5992 S 0.0 2.2 0:00.40 httpd 14039 apache 18 0 57000 22m 5492 S 0.0 2.2 0:00.33 httpd 6051 apache 15 0 57736 22m 5128 S 0.0 2.2 0:00.07 httpd 19937 apache 15 0 56992 22m 5400 S 0.0 2.2 0:00.14 httpd 5200 apache 15 0 56984 22m 5376 S 0.0 2.2 0:00.23 httpd 10001 apache 15 0 55636 21m 5636 S 0.0 2.1 0:01.05 httpd 11734 apache 15 0 56712 21m 4548 S 0.0 2.1 0:00.46 httpd 18193 apache 15 0 55100 20m 5508 S 0.0 2.0 0:00.24 httpd 14036 apache 15 0 55128 20m 5412 S 0.0 2.0 0:00.10 httpd 3981 apache 15 0 55128 19m 4860 S 0.0 1.9 0:00.16 httpd 7588 apache 18 0 55112 19m 4848 S 0.0 1.9 0:00.04 httpd 19768 apache 16 0 55112 19m 4844 S 0.0 1.9 0:00.02 httpd 5827 apache 15 0 55112 19m 4828 S 0.0 1.9 0:00.05 httpd 29774 apache 15 0 55112 19m 4544 S 0.0 1.9 0:00.11 httpd 6064 apache 15 0 55112 19m 4536 S 0.0 1.9 0:00.02 httpd 16253 apache 17 0 55116 19m 4532 S 0.0 1.9 0:00.01 httpd 19922 apache 15 0 55112 19m 4540 S 0.0 1.9 0:00.02 httpd 10010 apache 15 0 55100 19m 4524 S 0.0 1.9 0:00.01 httpd 18195 apache 18 0 55104 18m 3872 S 0.0 1.8 0:00.02 httpd 7361 mysql 15 0 134m 18m 6400 S 0.0 1.8 0:10.18 mysqld 19921 apache 15 0 55088 18m 3588 S 0.0 1.8 0:00.02 httpd 11967 apache 15 0 55080 18m 3584 S 0.0 1.8 0:00.00 httpd 13813 apache 15 0 55088 18m 3576 S 0.0 1.8 0:00.14 httpd 23898 apache 18 0 54968 17m 3212 S 0.0 1.7 0:00.00 httpd 13792 apache 15 0 54968 17m 3088 S 0.0 1.7 0:00.00 httpd 14083 apache 15 0 54968 17m 3088 S 0.0 1.7 0:00.00 httpd 32547 apache 15 0 54944 17m 2924 S 0.0 1.7 0:00.00 httpd 13787 apache 15 0 54944 17m 2908 S 0.0 1.7 0:00.00 httpd 3623 apache 17 0 54944 17m 2908 S 0.0 1.7 0:00.00 httpd 16024 apache 19 0 54944 17m 2860 S 0.0 1.7 0:00.00 httpd 13791 apache 15 0 54944 17m 2864 S 0.0 1.7 0:00.00 httpd 20090 named 19 0 110m 4244 2056 S 0.0 0.4 0:01.55 named 9369 cyrus 15 0 15904 3048 1720 S 0.0 0.3 0:00.24 cyrus-master 32735 root 15 0 8852 2888 2116 T 0.0 0.3 0:00.00 mysql The intermittant error I get using Firefox is: Server not found Firefox can't find the server at XXXXXXX.co. * Check the address for typing errors such as ww.example.com instead of www.example.com * If you are unable to load any pages, check your computer's network connection. * If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web. And on other browsers, the page just loads for about 10 minutes but never appears. The only way to resolve it is to close the browser completely as the error appears to be saved in the cache. Has anyone got any ideas? Many Thanks.

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Low load average with plenty of cpu-intersive processes

- by sds

I see loadavg at about 1 with at least 3 processes running at full tile. How can that be? top - 11:48:32 up 147 days, 5:38, 8 users, load average: 1.08, 1.11, 1.05 Tasks: 416 total, 4 running, 410 sleeping, 2 stopped, 0 zombie Cpu0 : 43.3%us, 13.7%sy, 0.0%ni, 43.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu1 : 48.8%us, 12.4%sy, 0.0%ni, 38.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu2 : 0.7%us, 0.7%sy, 0.0%ni, 98.3%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st Cpu3 : 99.3%us, 0.7%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu4 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu5 : 5.7%us, 0.7%sy, 0.0%ni, 93.6%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu6 : 2.3%us, 0.3%sy, 0.0%ni, 97.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu7 : 0.3%us, 0.3%sy, 0.0%ni, 99.0%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st Cpu8 : 38.4%us, 17.4%sy, 0.0%ni, 44.2%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu9 : 43.4%us, 13.5%sy, 0.0%ni, 43.1%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu10 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu11 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu12 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu13 : 0.3%us, 0.3%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu14 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Cpu15 : 1.0%us, 0.7%sy, 0.0%ni, 98.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 132145404k total, 88125080k used, 44020324k free, 516476k buffers Swap: 8388600k total, 620232k used, 7768368k free, 55729064k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 25424 jonathan 20 0 4404m 4.1g 3268 R 99.7 3.3 212:58.17 python2.7 20939 sam 20 0 908m 733m 3376 R 81.2 0.6 603:08.07 python2.7 20987 sam 20 0 908m 732m 3376 R 79.8 0.6 598:49.18 python2.7 25428 jonathan 20 0 774m 164m 15m S 14.2 0.1 24:22.60 java 20996 sam 20 0 98.4m 7780 1880 S 4.3 0.0 17:48.15 vw 20941 sam 20 0 161m 70m 1880 S 3.0 0.1 18:10.03 vw 20940 sam 20 0 98.4m 8068 1880 S 2.6 0.0 18:06.28 vw 20942 sam 20 0 98.4m 8080 1880 S 2.6 0.0 17:39.45 vw 20944 sam 20 0 161m 71m 1880 S 2.6 0.1 17:29.29 vw 20947 sam 20 0 161m 71m 1880 S 2.6 0.1 17:25.58 vw 20959 sam 20 0 161m 70m 1880 S 2.6 0.1 17:28.00 vw 20962 sam 20 0 161m 70m 1880 S 2.6 0.1 17:26.96 vw 20963 sam 20 0 98.4m 8076 1880 S 2.6 0.0 18:07.19 vw 20965 sam 20 0 161m 71m 1880 S 2.6 0.1 18:08.13 vw 20995 sam 20 0 161m 71m 1880 S 2.6 0.1 17:38.67 vw 6399 root 20 0 558m 19m 5028 S 2.3 0.0 4329:56 BESClient 20945 sam 20 0 98.4m 8068 1880 S 2.3 0.0 17:35.38 vw 20948 sam 20 0 98.4m 8068 1880 S 2.3 0.0 17:26.01 vw 20950 sam 20 0 161m 70m 1880 S 2.3 0.1 17:25.79 vw 20952 sam 20 0 98.4m 8076 1880 S 2.3 0.0 17:32.94 vw 20955 sam 20 0 161m 70m 1880 S 2.3 0.1 17:26.61 vw 20956 sam 20 0 98.4m 8072 1880 S 2.3 0.0 17:34.76 vw 20960 sam 20 0 98.4m 8072 1880 S 2.3 0.0 17:34.04 vw Adding up CPU loads gives about 300%. The top process list also adds up to about 300%. Why is load average about 1?

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Tomcat dying silently on regular basis

- by Hendrik

My tomcat (6.0.32, Java Sun 1.6.0_22-b04 on Ubuntu 10.04) keeps crashing multiple times daily without any specific output in catalina.out. This usually happens on high load (see top output). Update: The pid-file is properly removed when this happens. Update 2: No CATALINA_OPTS set, _JAVA_OPTS are: export _JAVA_OPTIONS="-Xms128m -Xmx1024m -XX:MaxPermSize=512m \ -XX:MinHeapFreeRatio=20 \ -XX:MaxHeapFreeRatio=40 \ -XX:NewSize=10m \ -XX:MaxNewSize=10m \ -XX:SurvivorRatio=6 \ -XX:TargetSurvivorRatio=80 \ -XX:+CMSClassUnloadingEnabled \ -Djava.awt.headless=true \ -Dcom.sun.management.jmxremote \ -Dcom.sun.management.jmxremote.port=37331 \ -Dcom.sun.management.jmxremote.ssl=false \ -Dcom.sun.management.jmxremote.authenticate=true \ -Djava.rmi.server.hostname=(myhostname) \ -Dcom.sun.management.jmxremote.password.file=/etc/java-6-sun/management/jmxremote.password \ -Dcom.sun.management.jmxremote.access.file=/etc/java-6-sun/management/jmxremote.access" Top: top - 12:40:03 up 9 days, 12:15, 3 users, load average: 30.00, 22.39, 21.91 Tasks: 89 total, 4 running, 85 sleeping, 0 stopped, 0 zombie Cpu(s): 53.2%us, 9.7%sy, 0.0%ni, 34.7%id, 1.5%wa, 0.0%hi, 0.8%si, 0.0%st Mem: 4194304k total, 3311304k used, 883000k free, 0k buffers Swap: 4194304k total, 0k used, 4194304k free, 0k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 25850 tomcat6 20 0 1981m 1.2g 11m S 161 29.6 11:41.56 java 12632 mysql 20 0 393m 97m 4452 S 141 2.4 1690:05 mysqld 14932 nobody 20 0 253m 44m 9152 R 56 1.1 3:26.57 php-cgi 7011 nobody 20 0 241m 31m 9124 S 30 0.8 1:35.96 php-cgi 10093 nobody 20 0 228m 18m 8520 S 25 0.5 2:29.97 php-cgi 27071 nobody 20 0 237m 28m 8640 S 11 0.7 3:13.72 php-cgi 3306 nobody 20 0 227m 16m 6736 R 7 0.4 2:29.83 php-cgi 7756 nobody 20 0 261m 58m 15m R 5 1.4 2:22.33 php-cgi 7129 www-data 20 0 3646m 7228 1896 S 2 0.2 0:36.65 nginx 2657 nobody 20 0 228m 18m 8540 S 1 0.5 1:59.51 php-cgi 7131 www-data 20 0 3645m 6464 1960 S 1 0.2 0:34.13 nginx 7140 www-data 20 0 3652m 12m 1896 S 1 0.3 0:35.80 nginx 619 nobody 20 0 231m 29m 15m S 0 0.7 2:33.46 php-cgi 16552 nobody 20 0 250m 41m 8784 S 0 1.0 2:48.12 php-cgi 17134 nobody 20 0 239m 37m 16m S 0 0.9 2:32.86 php-cgi 21004 nobody 20 0 243m 34m 8700 S 0 0.8 1:19.85 php-cgi 26105 root 20 0 19220 1392 1060 R 0 0.0 0:00.82 top 32430 nobody 20 0 256m 47m 9196 S 0 1.2 2:19.01 php-cgi 314 nobody 20 0 256m 47m 8804 S 0 1.1 1:46.00 php-cgi 2111 nobody 20 0 253m 44m 9196 S 0 1.1 3:01.14 php-cgi 2142 root 20 0 26452 2564 868 S 0 0.1 0:00.56 screen 2144 root 20 0 19484 2012 1368 S 0 0.0 0:00.00 bash 2333 nobody 20 0 249m 41m 9160 S 0 1.0 1:10.33 php-cgi 2552 root 20 0 19484 2260 1620 S 0 0.1 0:00.01 bash 2587 nobody 20 0 258m 49m 9192 S 0 1.2 2:04.50 php-cgi 2684 root 20 0 4092 652 540 S 0 0.0 0:00.00 xvfb-run 2696 root 20 0 60720 13m 2352 S 0 0.3 0:09.12 Xvfb 2759 root 20 0 617m 12m 4676 S 0 0.3 0:00.66 node 3514 nobody 20 0 270m 61m 9216 S 0 1.5 3:13.69 php-cgi 5270 root 20 0 25164 1324 1036 S 0 0.0 0:00.01 screen 5402 nobody 20 0 227m 16m 8032 S 0 0.4 1:33.61 php-cgi 5765 root 20 0 81180 3820 3028 S 0 0.1 0:00.31 sshd 5798 nobody 20 0 242m 32m 9124 S 0 0.8 1:52.08 php-cgi 5856 root 20 0 19496 2292 1636 S 0 0.1 0:00.03 bash 6442 root 20 0 62332 20m 1960 S 0 0.5 0:30.58 mrtg 7082 root 20 0 88992 1916 1636 S 0 0.0 0:00.00 PassengerWatchd I can't find any concrete reason for it, no Exceptions or messages of a shutdown in catalina.out (and no other logs in tomcat's log dir). I can start up the service and it will run for a few days or just minutes before dying again. Is there somewhere else i could look for output? Could the kernel start killing threads due to a lack of ressources and by that bring the VM down?

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Courier Maildrop error user unknown. Command output: Invalid user specified

- by cad

Hello I have a problem with maildrop. I have read dozens of webs/howto/emails but couldnt solve it. My objective is moving automatically spam messages to a spam folder. My email server is working perfectly. It marks spam in subject and headers using spamassasin. My box has: Ubuntu 9.04 Web: Apache2 + Php5 + MySQL MTA: Postfix 2.5.5 + SpamAssasin + virtual users using mysql IMAP: Courier 0.61.2 + Courier AuthLib WebMail: SquirrelMail I have read that I could use Squirrelmail directly (not a good idea), procmail or maildrop. As I already have maildrop in the box (from courier) I have configured the server to use maildrop (added an entry in transport table for a virtual domain). I found this error in email: This is the mail system at host foo.net I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You can delete your own text from the attached returned message. The mail system <[email protected]>: user unknown. Command output: Invalid user specified. Final-Recipient: rfc822; [email protected] Action: failed Status: 5.1.1 Diagnostic-Code: x-unix; Invalid user specified. ---------- Forwarded message ---------- From: test <[email protected]> To: [email protected] Date: Sat, 1 May 2010 19:49:57 +0100 Subject: fail fail An this in the logs May 1 18:50:18 foo.net postfix/smtpd[14638]: connect from mail-bw0-f212.google.com[209.85.218.212] May 1 18:50:19 foo.net postfix/smtpd[14638]: 8A9E9DC23F: client=mail-bw0-f212.google.com[209.85.218.212] May 1 18:50:19 foo.net postfix/cleanup[14643]: 8A9E9DC23F: message-id=<[email protected]> May 1 18:50:19 foo.net postfix/qmgr[14628]: 8A9E9DC23F: from=<[email protected]>, size=1858, nrcpt=1 (queue active) May 1 18:50:23 foo.net postfix/pickup[14627]: 1D4B4DC2AA: uid=5002 from=<[email protected]> May 1 18:50:23 foo.net postfix/cleanup[14643]: 1D4B4DC2AA: message-id=<[email protected]> May 1 18:50:23 foo.net postfix/pipe[14644]: 8A9E9DC23F: to=<[email protected]>, relay=spamassassin, delay=3.8, delays=0.55/0.02/0/3.2, dsn=2.0.0, status=sent (delivered via spamassassin service) May 1 18:50:23 foo.net postfix/qmgr[14628]: 8A9E9DC23F: removed May 1 18:50:23 foo.net postfix/qmgr[14628]: 1D4B4DC2AA: from=<[email protected]>, size=2173, nrcpt=1 (queue active) **May 1 18:50:23 foo.netpostfix/pipe[14648]: 1D4B4DC2AA: to=<[email protected]>, relay=maildrop, delay=0.22, delays=0.06/0.01/0/0.15, dsn=5.1.1, status=bounced (user unknown. Command output: Invalid user specified. )** May 1 18:50:23 foo.net postfix/cleanup[14643]: 4C2BFDC240: message-id=<[email protected]> May 1 18:50:23 foo.net postfix/qmgr[14628]: 4C2BFDC240: from=<>, size=3822, nrcpt=1 (queue active) May 1 18:50:23 foo.net postfix/bounce[14651]: 1D4B4DC2AA: sender non-delivery notification: 4C2BFDC240 May 1 18:50:23 foo.net postfix/qmgr[14628]: 1D4B4DC2AA: removed May 1 18:50:24 foo.net postfix/smtp[14653]: 4C2BFDC240: to=<[email protected]>, relay=gmail-smtp-in.l.google.com[209.85.211.97]:25, delay=0.91, delays=0.02/0.03/0.12/0.74, dsn=2.0.0, status=sent (250 2.0.0 OK 1272739824 37si5422420ywh.59) May 1 18:50:24 foo.net postfix/qmgr[14628]: 4C2BFDC240: removed My config files: http://lar3d.net/main.cf (/etc/postfix) http://lar3d.net/master.c (/etc/postfix) http://lar3d.net/local.cf (/etc/spamassasin) http://lar3d.net/maildroprc (maildroprc) If I change master.cf line (as suggested here) maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/lib/courier/bin/maildrop -d ${recipient} with maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/lib/courier/bin/maildrop -d vmail ${recipient} I get the email in /home/vmail/MailDir instead of the correct dir (/home/vmail/foo.net/info/.SPAM ) After reading a lot I have some guess but not sure. - Maybe I have to install userdb? - Maybe is something related with mysql, but everything is working ok - If I try with procmail I will face same problem... - What are flags DRhu for? Couldnt find doc about them - In some places I found maildrop line with more parameters flags=DRhu user=vmail argv=/usr/lib/courier/bin/maildrop -d $ ${recipient} ${extension} ${recipient} ${user} ${nexthop} ${sender} I am really lost. Dont know how to continue. If you have any idea or need another config file please let me know. Thanks!!!

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Troubleshooting High Load on Plesk LAMP Dedicated Server

- by Callmeed

I have 2 nearly identical dedicated servers with the same provider. They also run a nearly identical software stack: RedHat 5 64-bit, Plesk, PHP, Apache, & MySQL. We use them for hosting custom sites we build. The problem is, while our 1st server has a load average (in top) of around 0.3, the 2nd server consistently has a load average of around 4.0 or higher. Basic functions in Plesk are delayed and there is a bit of latency when executing shell commands. Anyone have ideas why it would be so high? And why it would differ from our other server so much? Here is my current top output (sorted by %MEM) ... Any help is much appreciated ... top - 21:48:04 up 100 days, 4:28, 1 user, load average: 3.74, 4.20, 4.23 Tasks: 336 total, 1 running, 335 sleeping, 0 stopped, 0 zombie Cpu(s): 0.8%us, 0.4%sy, 0.0%ni, 91.3%id, 7.5%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 12290884k total, 11886452k used, 404432k free, 2920212k buffers Swap: 2096472k total, 244k used, 2096228k free, 6560692k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 22536 apache 15 0 860m 547m 6484 S 0.0 4.6 0:10.96 httpd 26467 apache 15 0 859m 546m 6408 S 0.0 4.5 0:07.67 httpd 3620 apache 15 0 859m 545m 5552 S 0.0 4.5 0:06.15 httpd 1895 apache 15 0 858m 544m 6356 S 0.0 4.5 0:08.25 httpd 16933 apache 15 0 858m 544m 5488 S 0.0 4.5 0:01.57 httpd 6431 apache 15 0 856m 542m 6076 S 10.6 4.5 0:05.32 httpd 14417 apache 15 0 856m 542m 5568 S 0.0 4.5 0:03.88 httpd 15403 apache 15 0 855m 541m 5616 S 0.0 4.5 0:03.73 httpd 19165 apache 15 0 853m 539m 6252 S 0.0 4.5 0:12.40 httpd 15898 apache 15 0 852m 539m 5376 S 0.0 4.5 0:02.68 httpd 14401 apache 15 0 851m 538m 5460 S 0.0 4.5 0:02.97 httpd 15393 apache 15 0 851m 538m 5404 S 0.0 4.5 0:03.12 httpd 15427 apache 15 0 851m 538m 5496 S 0.0 4.5 0:02.44 httpd 14412 apache 15 0 851m 538m 5324 S 0.0 4.5 0:02.15 httpd 18330 apache 15 0 851m 537m 5136 S 0.0 4.5 0:01.30 httpd 18303 apache 15 0 848m 535m 5140 S 0.0 4.5 0:00.47 httpd 21190 apache 15 0 845m 533m 3988 S 0.0 4.4 0:00.33 httpd 15923 root 18 0 822m 521m 9928 S 0.0 4.3 10:04.81 httpd 22021 apache 15 0 828m 520m 4964 S 0.0 4.3 0:00.16 httpd 22146 apache 15 0 823m 515m 3016 S 0.0 4.3 0:00.02 httpd 22345 apache 15 0 822m 514m 2408 S 0.0 4.3 0:00.00 httpd 14721 apache 15 0 733m 510m 488 S 0.0 4.3 0:00.00 httpd 5094 root 15 0 1452m 122m 15m S 1.0 1.0 852:24.24 java 4636 mysql 15 0 532m 57m 6440 S 1.0 0.5 488:05.84 mysqld 4799 popuser 15 0 166m 53m 2368 S 0.0 0.4 0:36.64 spamd 16761 popuser 15 0 159m 46m 2312 S 0.0 0.4 0:00.38 spamd 4797 root 15 0 158m 45m 2448 S 0.0 0.4 0:01.27 spamd 5074 root 34 19 255m 20m 2144 S 0.0 0.2 1:37.53 yum-updatesd 9917 named 15 0 366m 9804 1980 S 0.0 0.1 0:10.26 named 4332 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.06 sw-engine-cgi 4341 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.07 sw-engine-cgi 4350 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.09 sw-engine-cgi 4352 sso 18 0 119m 8028 5212 S 0.0 0.1 0:00.11 sw-engine-cgi 4376 ntp 15 0 23388 5020 3896 S 0.0 0.0 0:00.58 ntpd 4331 sw-cp-se 15 0 61336 4572 1480 S 0.0 0.0 5:53.22 sw-cp-serverd 4213 haldaemo 15 0 31252 4460 1684 S 0.0 0.0 0:01.52 hald 4778 postgres 18 0 117m 4164 3484 S 0.0 0.0 0:00.11 postmaster 18555 root 16 0 98.3m 3716 2852 S 0.0 0.0 0:00.01 sshd 4488 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4489 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4492 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4493 sso 18 0 119m 3044 224 S 0.0 0.0 0:00.00 sw-engine-cgi 4490 sso 18 0 119m 3040 220 S 0.0 0.0 0:00.00 sw-engine-cgi

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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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linux routing bug?

- by Balázs Pozsár

I have been struggling with this not easily reproducible issue since a while. I am using linux kernel v3.1.0, and sometimes routing to a few IP addresses does not work. What seems to happen is that instead of sending the packet to the gateway, the kernel treats the destination address as local, and tries to gets its MAC address via ARP. For example, now my current IP address is 172.16.1.104/24, the gateway is 172.16.1.254: # ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:1B:63:97:FC:DC inet addr:172.16.1.104 Bcast:172.16.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:230772 errors:0 dropped:0 overruns:0 frame:0 TX packets:171013 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:191879370 (182.9 Mb) TX bytes:47173253 (44.9 Mb) Interrupt:17 # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 172.16.1.254 0.0.0.0 UG 0 0 0 eth0 172.16.1.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0 I can ping a few addresses, but not 172.16.0.59: # ping -c1 172.16.1.254 PING 172.16.1.254 (172.16.1.254) 56(84) bytes of data. 64 bytes from 172.16.1.254: icmp_seq=1 ttl=64 time=0.383 ms --- 172.16.1.254 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.383/0.383/0.383/0.000 ms root@pozsybook:~# ping -c1 172.16.0.1 PING 172.16.0.1 (172.16.0.1) 56(84) bytes of data. 64 bytes from 172.16.0.1: icmp_seq=1 ttl=63 time=5.54 ms --- 172.16.0.1 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 5.545/5.545/5.545/0.000 ms root@pozsybook:~# ping -c1 172.16.0.2 PING 172.16.0.2 (172.16.0.2) 56(84) bytes of data. 64 bytes from 172.16.0.2: icmp_seq=1 ttl=62 time=7.92 ms --- 172.16.0.2 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 7.925/7.925/7.925/0.000 ms root@pozsybook:~# ping -c1 172.16.0.59 PING 172.16.0.59 (172.16.0.59) 56(84) bytes of data. From 172.16.1.104 icmp_seq=1 Destination Host Unreachable --- 172.16.0.59 ping statistics --- 1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms When trying to ping 172.16.0.59, I can see in tcpdump that an ARP req was sent: # tcpdump -n -i eth0|grep ARP tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes 15:25:16.671217 ARP, Request who-has 172.16.0.59 tell 172.16.1.104, length 28 and /proc/net/arp has an incomplete entry for 172.16.0.59: # grep 172.16.0.59 /proc/net/arp 172.16.0.59 0x1 0x0 00:00:00:00:00:00 * eth0 Please note, that 172.16.0.59 is accessible from this LAN from other computers. Does anyone have any idea of what's going on? Thanks. update: replies to the comments below: there are no interfaces besides eth0 and lo the ARP req cannot be seen on the other end, but that's how it should work. the main problem is that an ARP req should not even be sent at the first place the problem persist even if I add an explicit route with the command "route add -host 172.16.0.59 gw 172.16.1.254 dev eth0"

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Server overloaded: DBCP issue on Mysql.

- by taras

Hi, I have 2 setups tomcat5.5.20 on Redhat and mysql 4.1.22 on another Redhat server. Recently i started getting the repeating error(each seconds) in catalina.out: DBCP object created 2010-12-22 13:33:12 by the following code was never closed: java.lang.Exception at org.apache.tomcat.dbcp.dbcp.AbandonedTrace.init(AbandonedTrace.java:96) at org.apache.tomcat.dbcp.dbcp.AbandonedTrace.(AbandonedTrace.java:79) at org.apache.tomcat.dbcp.dbcp.DelegatingResultSet.(DelegatingResultSet.java:71) at org.apache.tomcat.dbcp.dbcp.DelegatingResultSet.wrapResultSet(DelegatingResultSet.java:80) at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:92) at org.apache.jsp.external_005fpage.signup_jsp._jspService(signup_jsp.java:1185) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595) i have to restart tomcat once a day when server load reaches 80-90%. Also catalina.out file is growing too fast which every few hours need to clear the logs. My datasource config: <bean id="myDataSource" class="org.apache.tomcat.dbcp.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName"> <value>com.mysql.jdbc.Driver</value> </property> jdbc:mysql://XXX/XXX?autoReconnect=true 20 20 <property name="maxIdle"> <value>50</value> </property> <property name="maxActive"> <value>50</value> </property> <property name="removeAbandoned"> <value>false</value> </property> <property name="removeAbandonedTimeout"> <value>2400</value> </property> <property name="username"> <value>XXX</value> </property> <property name="password"> <value>XXX</value> </property> </bean> Any idea what can be the issue ? Thanks for any direction.

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CPU Utilization LAMP stack

- by Max

We've got an ec2 m2.4xlarge running Magento (centos 5.6, httpd 2.2, php 5.2.17 with eaccelerator 0.9.5.3, mysql 5.1.52). Right now we're getting a large traffic spike, and our top looks like this: top - 09:41:29 up 31 days, 1:12, 1 user, load average: 120.01, 129.03, 113.23 Tasks: 1190 total, 18 running, 1172 sleeping, 0 stopped, 0 zombie Cpu(s): 97.3%us, 1.8%sy, 0.0%ni, 0.5%id, 0.0%wa, 0.0%hi, 0.0%si, 0.4%st Mem: 71687720k total, 36898928k used, 34788792k free, 49692k buffers Swap: 880737784k total, 0k used, 880737784k free, 1586524k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2433 mysql 15 0 23.6g 4.5g 7112 S 564.7 6.6 33607:34 mysqld 24046 apache 16 0 411m 65m 28m S 26.4 0.1 0:09.05 httpd 24360 apache 15 0 410m 60m 25m S 26.4 0.1 0:03.65 httpd 24993 apache 16 0 410m 57m 21m S 26.1 0.1 0:01.41 httpd 24838 apache 16 0 428m 74m 20m S 24.8 0.1 0:02.37 httpd 24359 apache 16 0 411m 62m 26m R 22.3 0.1 0:08.12 httpd 23850 apache 15 0 411m 64m 27m S 16.8 0.1 0:14.54 httpd 25229 apache 16 0 404m 46m 17m R 10.2 0.1 0:00.71 httpd 14594 apache 15 0 404m 63m 34m S 8.4 0.1 1:10.26 httpd 24955 apache 16 0 404m 50m 21m R 8.4 0.1 0:01.66 httpd 24313 apache 16 0 399m 46m 22m R 8.1 0.1 0:02.30 httpd 25119 apache 16 0 411m 59m 23m S 6.8 0.1 0:01.45 httpd Questions: Would giving msyqld more memory help it cache queries and react faster? If so, how? Other than splitting mysql and php to separate servers (which we're about to do) is there anything else we could/should be doing? Thanks! UPDATE: Here's our my.cnf along with the output of mysqltuner. It looks like a cache problem. Thanks again! # cat /etc/my.cnf [client] port = **** socket = /var/lib/mysql/mysql.sock [mysqld] datadir=/mnt/persistent/mysql port=**** socket=/var/lib/mysql/mysql.sock key_buffer = 512M max_allowed_packet = 64M table_cache = 1024 sort_buffer_size = 8M read_buffer_size = 4M read_rnd_buffer_size = 2M myisam_sort_buffer_size = 64M thread_cache_size = 128M tmp_table_size = 128M join_buffer_size = 1M query_cache_limit = 2M query_cache_size= 64M query_cache_type = 1 max_connections = 1000 thread_stack = 128K thread_concurrency = 48 log-bin=mysql-bin server-id = 1 wait_timeout = 300 innodb_data_home_dir = /mnt/persistent/mysql/ innodb_data_file_path = ibdata1:10M:autoextend innodb_buffer_pool_size = 20G innodb_additional_mem_pool_size = 20M innodb_log_file_size = 64M innodb_log_buffer_size = 8M innodb_flush_log_at_trx_commit = 1 innodb_lock_wait_timeout = 50 innodb_thread_concurrency = 48 ft_min_word_len=3 [myisamchk] ft_min_word_len=3 key_buffer = 128M sort_buffer_size = 128M read_buffer = 2M write_buffer = 2M # ./mysqltuner.pl >> MySQLTuner 1.2.0 - Major Hayden <[email protected]> >> Bug reports, feature requests, and downloads at http://mysqltuner.com/ >> Run with '--help' for additional options and output filtering -------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.1.52-log [OK] Operating on 64-bit architecture -------- Storage Engine Statistics ------------------------------------------- [--] Status: +Archive -BDB +Federated +InnoDB -ISAM -NDBCluster [--] Data in MyISAM tables: 2G (Tables: 26) [--] Data in InnoDB tables: 749M (Tables: 250) [!!] Total fragmented tables: 262 -------- Security Recommendations ------------------------------------------- -------- Performance Metrics ------------------------------------------------- [--] Up for: 31d 2h 30m 38s (680M q [253.371 qps], 2M conn, TX: 4825B, RX: 236B) [--] Reads / Writes: 89% / 11% [--] Total buffers: 20.6G global + 15.1M per thread (1000 max threads) [OK] Maximum possible memory usage: 35.4G (51% of installed RAM) [OK] Slow queries: 0% (35K/680M) [OK] Highest usage of available connections: 53% (537/1000) [OK] Key buffer size / total MyISAM indexes: 512.0M/457.2M [OK] Key buffer hit rate: 100.0% (9B cached / 264K reads) [OK] Query cache efficiency: 42.3% (260M cached / 615M selects) [!!] Query cache prunes per day: 4384652 [OK] Sorts requiring temporary tables: 0% (1K temp sorts / 38M sorts) [!!] Joins performed without indexes: 100404 [OK] Temporary tables created on disk: 17% (7M on disk / 45M total) [OK] Thread cache hit rate: 99% (537 created / 2M connections) [!!] Table cache hit rate: 0% (1K open / 946K opened) [OK] Open file limit used: 9% (453/5K) [OK] Table locks acquired immediately: 99% (758M immediate / 758M locks) [OK] InnoDB data size / buffer pool: 749.3M/20.0G -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance Enable the slow query log to troubleshoot bad queries Adjust your join queries to always utilize indexes Increase table_cache gradually to avoid file descriptor limits Variables to adjust: query_cache_size (> 64M) join_buffer_size (> 1.0M, or always use indexes with joins) table_cache (> 1024)

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Possible to give one connection to each IP?

- by Alice

I am having overloading problems. Too many connections, and some IP has more than 20 connection at once. I do this command. netstat -anp |grep 'tcp\|udp' | awk '{print $5}' | cut -d: -f1 | sort | uniq -c | sort -n To get total of connection and this is the output: 1 106.3.98.81 1 106.3.98.82 1 108.171.251.2 1 110.85.103.207 1 111.161.30.217 1 113.53.103.55 1 119.235.237.20 1 124.106.19.34 1 157.55.32.166 1 157.55.33.49 1 157.55.34.28 1 175.141.103.239 1 180.76.5.59 1 180.76.5.61 1 188.235.165.216 1 205.213.195.70 1 216.157.222.25 1 218.93.205.100 1 222.77.209.105 1 27.153.148.109 1 27.159.194.242 1 27.159.253.71 1 54.242.122.201 1 61.172.50.99 1 65.55.24.239 1 71.179.78.5 1 74.125.136.27 1 74.125.182.30 1 74.125.182.36 1 79.112.225.39 1 93.190.139.208 2 124.227.191.67 2 157.55.33.84 2 157.55.35.34 2 190.66.3.107 2 203.87.153.38 2 220.161.119.3 2 221.6.15.156 2 27.153.148.116 2 27.159.197.0 2 96.47.224.42 3 202.14.70.1 3 218.6.15.42 3 222.77.218.226 3 222.77.224.187 3 37.59.66.100 3 46.4.181.244 3 87.98.254.192 3 91.207.8.62 4 188.143.233.222 4 218.108.168.166 4 221.12.154.18 4 93.182.157.8 4 94.142.128.183 5 180.246.170.187 5 8.21.6.226 6 178.137.94.87 6 218.93.205.112 7 199.15.234.222 9 9 125.253.97.6 10 178.137.17.196 11 46.118.192.179 12 212.79.14.14 21 72.201.187.135 27 0.0.0.0 Can anyone give me some directions, my server crashed few times this week because of this. Thanks. EDIT: Alright, my error logs says: [Thu Oct 18 12:17:39 2012] [error] could not make child process 4842 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4843 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4855 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4856 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4861 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4869 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4872 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4873 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4874 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4875 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4876 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4880 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4882 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4885 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4897 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4900 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4901 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4906 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4907 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4925 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4926 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4927 exit, attempting to continue anyway [Thu Oct 18 12:17:39 2012] [error] could not make child process 4931 exit, attempting to continue anyway [Thu Oct 18 12:17:40 2012] [notice] caught SIGTERM, shutting down PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20060613+lfs/curl.iso' - /usr/lib/php5/20060613+lfs/curl.iso: cannot open shared object file: No such file or directory in Unknown on line 0 [Thu Oct 18 12:17:45 2012] [notice] Apache/2.2.9 (Debian) PHP/5.2.6-1+lenny10 with Suhosin-Patch configured -- resuming normal operations And I have over thousands of line saying:(each has different process id) [Thu Oct 18 12:17:38 2012] [error] child process 4906 still did not exit, sending a SIGKILL And I also have line saying: [Wed Oct 17 09:44:58 2012] [error] server reached MaxClients setting, consider raising the MaxClients setting <IfModule prefork.c> StartServers 8 MinSpareServers 5 MaxSpareServers 50 MaxClients 300 MaxRequestsPerChild 5000 </IfModule>

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How to free up space on RHEL6 /boot safely?

- by ams

I am trying to do yum update on RHEL 6 box and I am getting this error message Transaction Check Error: installing package kernel-2.6.32-279.9.1.el6.x86_64 needs 10MB on the /boot filesystem installing package grub-1:0.97-77.el6.x86_64 needs 10MB on the /boot filesystem Error Summary ------------- Disk Requirements: At least 10MB more space needed on the /boot filesystem. My /boot has the following # ls -lah /boot total 74M dr-xr-xr-x. 5 root root 2.0K Jun 10 08:05 . drwxr-xr-x. 23 root root 4.0K Aug 27 03:08 .. -rw-r--r-- 1 root root 99K Apr 26 12:53 config-2.6.32-220.17.1.el6.x86_64 -rw-r--r-- 1 root root 99K Feb 10 2012 config-2.6.32-220.7.1.el6.x86_64 -rw-r--r--. 1 root root 99K Nov 9 2011 config-2.6.32-220.el6.x86_64 drwxr-xr-x. 3 root root 1.0K Mar 29 2012 efi drwxr-xr-x. 2 root root 1.0K Jun 10 07:53 grub -rw-r--r-- 1 root root 15M Jun 10 07:53 initramfs-2.6.32-220.17.1.el6.x86_64.img -rw-r--r-- 1 root root 15M Mar 29 2012 initramfs-2.6.32-220.7.1.el6.x86_64.img -rw-r--r--. 1 root root 15M Mar 29 2012 initramfs-2.6.32-220.el6.x86_64.img -rw------- 1 root root 3.4M Jun 10 08:06 initrd-2.6.32-220.17.1.el6.x86_64kdump.img -rw------- 1 root root 3.5M Jun 10 07:53 initrd-2.6.32-220.7.1.el6.x86_64kdump.img -rw------- 1 root root 3.4M Mar 29 2012 initrd-2.6.32-220.el6.x86_64kdump.img drwx------. 2 root root 12K Mar 29 2012 lost+found -rw-r--r-- 1 root root 168K Apr 26 12:55 symvers-2.6.32-220.17.1.el6.x86_64.gz -rw-r--r-- 1 root root 168K Feb 10 2012 symvers-2.6.32-220.7.1.el6.x86_64.gz -rw-r--r--. 1 root root 168K Nov 9 2011 symvers-2.6.32-220.el6.x86_64.gz -rw-r--r-- 1 root root 2.3M Apr 26 12:53 System.map-2.6.32-220.17.1.el6.x86_64 -rw-r--r-- 1 root root 2.3M Feb 10 2012 System.map-2.6.32-220.7.1.el6.x86_64 -rw-r--r--. 1 root root 2.3M Nov 9 2011 System.map-2.6.32-220.el6.x86_64 -rwxr-xr-x 1 root root 3.8M Apr 26 12:53 vmlinuz-2.6.32-220.17.1.el6.x86_64 -rw-r--r-- 1 root root 171 Apr 26 12:53 .vmlinuz-2.6.32-220.17.1.el6.x86_64.hmac -rwxr-xr-x 1 root root 3.8M Feb 10 2012 vmlinuz-2.6.32-220.7.1.el6.x86_64 -rw-r--r-- 1 root root 170 Feb 10 2012 .vmlinuz-2.6.32-220.7.1.el6.x86_64.hmac -rwxr-xr-x. 1 root root 3.8M Nov 9 2011 vmlinuz-2.6.32-220.el6.x86_64 -rw-r--r--. 1 root root 166 Nov 9 2011 .vmlinuz-2.6.32-220.el6.x86_64.hmac here is the disk usage on boot # du -h 13K ./lost+found 282K ./grub 247K ./efi/EFI/redhat 249K ./efi/EFI 251K ./efi 75M . Problem is that when I got this severer at my ISP I used their default image for RHEL 6 which only allocates 100MB for /boot clearly this is not enough. How can I get around this problem, is it safe to delete any of the above files some of them seem to be on the disk more than once? Is there some way of expand /boot without re-imaging the machine?

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IPv6 host route is deleted after PMTU expires

- by SAPikachu

I am experimenting my new IPv6 tunnel setup between my local Ubuntu box and a scratch Linode. I set up some docker containers, configured 6in4 tunnel server and IPv6 forwarding on the Linode: # uname -a Linux argo 3.15.4-x86_64-linode45 #1 SMP Mon Jul 7 08:42:36 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux # ip addr .. snipped .. 48: sit-sapikachu: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1472 qdisc noqueue state UNKNOWN group default link/sit 106.185.41.115 peer 1.2.3.4 inet6 fd00::1/64 scope global valid_lft forever preferred_lft forever inet6 fe80::6ab9:2973/64 scope link valid_lft forever preferred_lft forever 13: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default link/ether 56:84:7a:fe:97:99 brd ff:ff:ff:ff:ff:ff inet 172.17.42.1/16 scope global docker0 valid_lft forever preferred_lft forever inet6 fc00::1/64 scope global valid_lft forever preferred_lft forever inet6 fe80::5484:7aff:fefe:9799/64 scope link valid_lft forever preferred_lft forever // Docker containers are bridged to docker0 On my local box, I configured a 6in4 tunnel interface to connect to the Linode box, and added a host route to one of the docker container: # uname -a Linux sapikachu-netbox 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux # ip addr .. snipped .. 16: sit-argo: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1480 qdisc noqueue state UNKNOWN group default link/sit 0.0.0.0 peer 106.185.41.115 inet6 fd00::2/64 scope global valid_lft forever preferred_lft forever inet6 fe80::a97:302/64 scope link valid_lft forever preferred_lft forever inet6 fe80::ac19:1/64 scope link valid_lft forever preferred_lft forever inet6 fe80::c0a8:1f0/64 scope link valid_lft forever preferred_lft forever inet6 fe80::c0a8:1fa/64 scope link valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether *** brd ff:ff:ff:ff:ff:ff .. snipped .. inet6 fd00:0:1::1/64 scope global valid_lft forever preferred_lft forever inet6 fe80::2e0:6fff:fe0e:365e/64 scope link valid_lft forever preferred_lft forever # ip route replace fc00::1875:8606:d8c1:8a9d via fd00::1 # Add route to docker container # ip -6 route .. snipped unrelated routes fc00::1875:8606:d8c1:8a9d via fd00::1 dev sit-argo metric 1024 expires 590sec mtu 1472 fd00::/64 dev sit-argo proto kernel metric 256 fd00:0:1::/64 dev eth0 proto kernel metric 256 fe80::/64 dev sit-argo proto kernel metric 256 (Note that tunnel MTU on my local box is different from the server, this is intentional for testing) After adding the host route to the docker container (fc00::1875:8606:d8c1:8a9d), I can ping the container without problem until the route expires. After that I couldn't get reply any more. If I run ip -6 route in a few seconds after expiration, expiration time of the host route will be a negative number: fc00::1875:8606:d8c1:8a9d via fd00::1 dev sit-argo metric 1024 expires -1sec And output of ip route get fc00::1875:8606:d8c1:8a9d shows that it is routed to my default IPv6 gateway (which fails to route it correctly of course, since the address is not globally routable). After some time, the host route disappears without a trace. This problem won't happen if I do either one of the following things: Set MTU of tunnel on my local box to be the same as the server (1472). The route won't have expiration time in both ip -6 route and ip route get in this case. Instead of adding a host route, add a route with network mask (even /127 works). In this case ip -6 route shows the route without expiration time, ip route get shows expiration time but it will be correctly refreshed after expiration. Although this problem can be easily resolved, I am curious to know why this happens. Is there error in my configuration, or is this a kernel bug?

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RedHat 5.5 server does not show per processor memory utilization

- by Mike S

I have been searching all over internet but not finding any leads. I have a system with a memory leak that I am trying to troubleshoot. Unfortunately I am not able to see per processor memory utilization. Here are the outputs of TOP and PS commands. Linux SERVER_NAME 2.6.18-194.8.1.el5 #1 SMP Wed Jun 23 10:52:51 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux top - 09:17:13 up 18:43, 3 users, load average: 0.00, 0.00, 0.00 Tasks: 375 total, 1 running, 373 sleeping, 0 stopped, 1 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 32922828k total, 32776712k used, 146116k free, 267128k buffers Swap: 5245212k total, 0k used, 5245212k free, 32141044k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 15 0 10348 744 620 S 0.0 0.0 0:05.65 init 2 root RT -5 0 0 0 S 0.0 0.0 0:00.05 migration/0 3 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0 4 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/0 5 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/1 6 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/1 7 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/1 8 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/2 9 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/2 10 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/2 11 root RT -5 0 0 0 S 0.0 0.0 0:00.01 migration/3 12 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/3 13 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/3 14 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/4 15 root 34 19 0 0 0 S 0.0 0.0 0:00.01 ksoftirqd/4 16 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/4 17 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/5 18 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/5 19 root RT -5 0 0 0 S 0.0 0.0 0:00.00 watchdog/5 20 root RT -5 0 0 0 S 0.0 0.0 0:00.00 migration/6 % ps -auxf | sort -nr -k 4 | head -10 Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.7/FAQ xfs 6205 0.0 0.0 23316 3892 ? Ss Aug19 0:00 xfs -droppriv -daemon uuidd 6101 0.0 0.0 60976 224 ? Ss Aug19 0:00 /usr/sbin/uuidd USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND smmsp 6130 0.0 0.0 57900 1784 ? Ss Aug19 0:00 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue rpc 5126 0.0 0.0 8052 632 ? Ss Aug19 0:00 portmap root 99 0.0 0.0 0 0 ? S< Aug19 0:00 [events/1] root 98 0.0 0.0 0 0 ? S< Aug19 0:00 [events/0] root 97 0.0 0.0 0 0 ? S< Aug19 0:00 [watchdog/31] root 96 0.0 0.0 0 0 ? SN Aug19 0:00 [ksoftirqd/31] root 95 0.0 0.0 0 0 ? S< Aug19 0:00 [migration/31] Any help with this is appretiate.

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Mysqld not starting due to apparent db corruption

- by pitosalas

I am very new at admining mysql, and bad for me, something caused the db to get clobbered. There are many error messages in the log that I am not sure how to safely proceed. Can you give some tips? Here's the log: 110107 15:07:15 mysqld started 110107 15:07:15 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 110107 15:07:15 InnoDB: Starting log scan based on checkpoint at InnoDB: log sequence number 35 515914826. InnoDB: Doing recovery: scanned up to log sequence number 35 515915839 InnoDB: 1 transaction(s) which must be rolled back or cleaned up InnoDB: in total 1 row operations to undo InnoDB: Trx id counter is 0 1697553664 110107 15:07:15 InnoDB: Starting an apply batch of log records to the database... InnoDB: Progress in percents: 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 InnoDB: Apply batch completed InnoDB: Starting rollback of uncommitted transactions InnoDB: Rolling back trx with id 0 1697553198, 1 rows to undoInnoDB: Error: trying to access page number 3522914176 in space 0, InnoDB: space name ./ibdata1, InnoDB: which is outside the tablespace bounds. InnoDB: Byte offset 0, len 16384, i/o type 10 110107 15:07:15InnoDB: Assertion failure in thread 3086403264 in file fil0fil.c line 3922 InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/mysql/en/Forcing_recovery.html InnoDB: about forcing recovery. mysqld got signal 11; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=0 read_buffer_size=131072 max_used_connections=0 max_connections=100 threads_connected=0 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_connections = 217599 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. thd=(nil) Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... Cannot determine thread, fp=0xbffc55ac, backtrace may not be correct. Stack range sanity check OK, backtrace follows: 0x8139eec 0x83721d5 0x833d897 0x833db71 0x832aa38 0x835f025 0x835f7a3 0x830a77e 0x8326b57 0x831c825 0x8317b8d 0x82a9e66 0x8315732 0x834fc9a 0x828d7c3 0x81c29dd 0x81b5620 0x813d9fe 0x40fdf3 0x80d5ff1 New value of fp=(nil) failed sanity check, terminating stack trace! Please read http://dev.mysql.com/doc/mysql/en/Using_stack_trace.html and follow instructions on how to resolve the stack trace. Resolved stack trace is much more helpful in diagnosing the problem, so please do resolve it The manual page at http://www.mysql.com/doc/en/Crashing.html contains information that should help you find out what is causing the crash. 110107 15:07:15 mysqld ended

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need assistance with my.cnf - 1500% CPU usage

- by Alan Long

I'm running into a few issues with our new database server. It is a HP G8 with 2 INTEL XEON E5-2650 processors and 32GB of ram. This server is dedicated as a MySQL server (5.1.69) for our intranet portal. I have been having issues with this server staying alive - I notice high CPU usage during certain times of day (8% ~ 1500%+) and see very low memory usage (7 ~ 15%) based on using the 'top' command. When the CPU usage passes 1000%, that is when the app usually dies. I'm trying to see what I'm doing wrong with the config file, hopefully one of the experts can chime in and let me know what they think. See below for my.cnf file: [mysqld] default-storage-engine=InnoDB datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock #user=mysql large-pages # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 max_connections=275 tmp_table_size=1G key_buffer_size=384M key_buffer=384M thread_cache_size=1024 long_query_time=5 low_priority_updates=1 max_heap_table_size=1G myisam_sort_buffer_size=8M concurrent_insert=2 table_cache=1024 sort_buffer_size=8M read_buffer_size=5M read_rnd_buffer_size=6M join_buffer_size=16M table_definition_cache=6k open_files_limit=8k slow_query_log #skip-name-resolve # Innodb Settings innodb_buffer_pool_size=18G innodb_thread_concurrency=0 innodb_log_file_size=1G innodb_log_buffer_size=16M innodb_flush_log_at_trx_commit=2 innodb_lock_wait_timeout=50 innodb_file_per_table #innodb_buffer_pool_instances=4 #eliminating double buffering innodb_flush_method = O_DIRECT flush_time=86400 innodb_additional_mem_pool_size=40M #innodb_io_capacity = 5000 #innodb_read_io_threads = 64 #innodb_write_io_threads = 64 # increase until threads_created doesnt grow anymore thread_cache=1024 query_cache_type=1 query_cache_limit=4M query_cache_size=256M # Try number of CPU's*2 for thread_concurrency thread_concurrency = 0 wait_timeout = 1800 connect_timeout = 10 interactive_timeout = 60 [mysqldump] max_allowed_packet=32M [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid log-slow-queries=/var/log/mysql/slow-queries.log long_query_time = 1 log-queries-not-using-indexes we connect to one database with 75 tables, the largest table has 1,150,000 entries and the second largest has 128,036 entries. I have also verified that our PHP queries are optimized as best as possible. Reference - MySQLtuner: >> MySQLTuner 1.2.0 - Major Hayden <[email protected]> >> Bug reports, feature requests, and downloads at http://mysqltuner.com/ >> Run with '--help' for additional options and output filtering -------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.1.69-log [OK] Operating on 64-bit architecture -------- Storage Engine Statistics ------------------------------------------- [--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster [--] Data in InnoDB tables: 420M (Tables: 75) [!!] Total fragmented tables: 75 -------- Security Recommendations ------------------------------------------- [!!] User '[email protected]' has no password set. -------- Performance Metrics ------------------------------------------------- [--] Up for: 1h 14m 50s (8M q [1K qps], 705 conn, TX: 6B, RX: 892M) [--] Reads / Writes: 68% / 32% [--] Total buffers: 19.7G global + 35.2M per thread (275 max threads) [!!] Maximum possible memory usage: 29.1G (93% of installed RAM) [OK] Slow queries: 0% (472/8M) [OK] Highest usage of available connections: 66% (183/275) [OK] Key buffer size / total MyISAM indexes: 384.0M/91.0K [OK] Key buffer hit rate: 100.0% (173 cached / 0 reads) [OK] Query cache efficiency: 96.2% (7M cached / 7M selects) [!!] Query cache prunes per day: 553614 [OK] Sorts requiring temporary tables: 0% (3 temp sorts / 1K sorts) [!!] Temporary tables created on disk: 49% (3K on disk / 7K total) [OK] Thread cache hit rate: 74% (183 created / 705 connections) [OK] Table cache hit rate: 97% (231 open / 238 opened) [OK] Open file limit used: 0% (17/8K) [OK] Table locks acquired immediately: 100% (432K immediate / 432K locks) [OK] InnoDB data size / buffer pool: 420.9M/18.0G -------- Recommendations ----------------------------------------------------- General recommendations: Run OPTIMIZE TABLE to defragment tables for better performance MySQL started within last 24 hours - recommendations may be inaccurate Reduce your overall MySQL memory footprint for system stability Increasing the query_cache size over 128M may reduce performance Temporary table size is already large - reduce result set size Reduce your SELECT DISTINCT queries without LIMIT clauses Variables to adjust: *** MySQL's maximum memory usage is dangerously high *** *** Add RAM before increasing MySQL buffer variables *** query_cache_size (> 256M) [see warning above] Thanks in advanced for your help!

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Outlook 2007 unable to connect to exchange server

- by mattwarren

I came into the office a week ago and outlook has refused to connect ever since, it just says "Disconnected" in the bottom right-hand corner. I've tried restarting it, rebooting Windows etc. I'm the only one if our office who is having this problem, so it's not a general problem with the server. Things I've tried Pinging the server via IP address and host name, both work fine Connecting via OWA, this works using the same machine name Connecting to Exchange via HTTP ("Outlook Anywhere") doesn't work None of the suggestions in this question helped, http://serverfault.com/questions/21755/can-ping-exchange-server-cant-connect-outlook-to-it Disabling Windows firewall on my laptop also has no effect. There are no items in the event viewer that indicate that anything it up. Also no permissions have changed on the server since when it worked. Update: I've just tried logging onto a completely different PC, using my domain controller user-name/password. When I setup outlook on there it also fails, so the problem isn't specific to 1 pc/outlook it's something about my particular user name, but not when using OWA? What else can I do to diagnose this, any suggestions?

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Windows Start Menu Not Staying on Top

- by Jeff Rapp

Hey everyone. I've had this problem since Windows Vista. I did a clean install with Windows 7 and hoped it would fix the problem. Also swapped out the video card just to rule out a strange driver issue. Here's what's happening. After running for some period of time (usually a few hours), the Start button/orb will loose it's "Chrome" and turn into a plain button that just says "Start." It will work fine for a while, but then the start menu will just stop showing. Additionally, when I hit Win+D to show the desktop, the entire taskbar completely disappears. I can get it back usually by moving/minimizing windows that may be overlapping where the start menu should show. Otherwise, it requires either a full reboot or I'll end up killing & restarting the explorer.exe process. I realize that this is a strange issue - I took a video of it http://www.youtube.com/watch?v=0B3WwT0uyr4 Thanks! --Edit-- Here's my HijackThis log: Logfile of Trend Micro HijackThis v2.0.3 (BETA) Scan saved at 4:19:00 PM, on 12/16/2009 Platform: Unknown Windows (WinNT 6.01.3504) MSIE: Internet Explorer v8.00 (8.00.7600.16385) Boot mode: Normal Running processes: C:\Program Files (x86)\Pantone\hueyPRO\hueyPROTray.exe C:\Program Files (x86)\Adobe\Acrobat 9.0\Acrobat\acrotray.exe C:\Program Files (x86)\iTunes\iTunesHelper.exe C:\Program Files (x86)\Java\jre6\bin\jusched.exe C:\Program Files (x86)\MagicDisc\MagicDisc.exe C:\Program Files (x86)\Trillian\trillian.exe C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\Ssms.exe C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe C:\Program Files (x86)\Common Files\Microsoft Shared\DevServer\9.0\WebDev.WebServer.EXE C:\Program Files (x86)\Notepad++\notepad++.exe C:\Program Files (x86)\Fiddler2\Fiddler.exe C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\mspdbsrv.exe C:\Program Files (x86)\iTunes\iTunes.exe C:\Program Files (x86)\Adobe\Adobe Illustrator CS4\Support Files\Contents\Windows\Illustrator.exe C:\Program Files (x86)\ColorPic 4.1\ColorPic.exe C:\Program Files (x86)\Adobe\Acrobat 9.0\Acrobat\Acrobat.exe C:\Program Files (x86)\Common Files\Microsoft Shared\Help 9\dexplore.exe C:\Program Files (x86)\Common Files\Microsoft Shared\Help 9\dexplore.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE C:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe C:\Program Files (x86)\eBay\Blackthorne\bin\BT.exe C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE C:\Program Files (x86)\CamStudio\Recorder.exe C:\Program Files (x86)\CamStudio\Playplus.exe C:\Program Files (x86)\Mozilla Firefox 3.6 Beta 3\firefox.exe C:\Program Files (x86)\CamStudio\Playplus.exe C:\Program Files (x86)\PuTTY\putty.exe C:\Program Files (x86)\CamStudio\Playplus.exe C:\Program Files (x86)\CamStudio\Playplus.exe C:\Program Files (x86)\TrendMicro\HiJackThis\HiJackThis.exe R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896 R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896 R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157 R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = F2 - REG:system.ini: UserInit=userinit.exe O2 - BHO: ContributeBHO Class - {074C1DC5-9320-4A9A-947D-C042949C6216} - C:\Program Files (x86)\Adobe\/Adobe Contribute CS4/contributeieplugin.dll O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\PROGRA~2\MICROS~1\Office14\GROOVEEX.DLL O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll O2 - BHO: Adobe PDF Conversion Toolbar Helper - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll O2 - BHO: URLRedirectionBHO - {B4F3A835-0E21-4959-BA22-42B3008E02FF} - C:\PROGRA~2\MICROS~1\Office14\URLREDIR.DLL O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll O2 - BHO: SmartSelect - {F4971EE7-DAA0-4053-9964-665D8EE6A077} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll O3 - Toolbar: Contribute Toolbar - {517BDDE4-E3A7-4570-B21E-2B52B6139FC7} - C:\Program Files (x86)\Adobe\/Adobe Contribute CS4/contributeieplugin.dll O4 - HKLM\..\Run: [AdobeCS4ServiceManager] "C:\Program Files (x86)\Common Files\Adobe\CS4ServiceManager\CS4ServiceManager.exe" -launchedbylogin O4 - HKLM\..\Run: [Adobe Acrobat Speed Launcher] "C:\Program Files (x86)\Adobe\Acrobat 9.0\Acrobat\Acrobat_sl.exe" O4 - HKLM\..\Run: [Acrobat Assistant 8.0] "C:\Program Files (x86)\Adobe\Acrobat 9.0\Acrobat\Acrotray.exe" O4 - HKLM\..\Run: [Adobe_ID0ENQBO] C:\PROGRA~2\COMMON~1\Adobe\ADOBEV~1\Server\bin\VERSIO~2.EXE O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files (x86)\QuickTime\QTTask.exe" -atboottime O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files (x86)\iTunes\iTunesHelper.exe" O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Java\jre6\bin\jusched.exe" O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'LOCAL SERVICE') O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'LOCAL SERVICE') O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'NETWORK SERVICE') O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'NETWORK SERVICE') O4 - Startup: ChatNowDesktop.appref-ms O4 - Startup: MagicDisc.lnk = C:\Program Files (x86)\MagicDisc\MagicDisc.exe O4 - Startup: Trillian.lnk = C:\Program Files (x86)\Trillian\trillian.exe O4 - Global Startup: Digsby.lnk = C:\Program Files (x86)\Digsby\digsby.exe O4 - Global Startup: hueyPROTray.lnk = C:\Program Files (x86)\Pantone\hueyPRO\hueyPROTray.exe O4 - Global Startup: OfficeSAS.lnk = ? O8 - Extra context menu item: Append Link Target to Existing PDF - res://C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppendSelLinks.html O8 - Extra context menu item: Append to Existing PDF - res://C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppend.html O8 - Extra context menu item: Convert Link Target to Adobe PDF - res://C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECaptureSelLinks.html O8 - Extra context menu item: Convert to Adobe PDF - res://C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECapture.html O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office14\EXCEL.EXE/3000 O8 - Extra context menu item: S&end to OneNote - res://C:\PROGRA~1\MICROS~1\Office14\ONBttnIE.dll/105 O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIE.dll O9 - Extra 'Tools' menuitem: Se&nd to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIE.dll O9 - Extra button: OneNote Lin&ked Notes - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIELinkedNotes.dll O9 - Extra 'Tools' menuitem: OneNote Lin&ked Notes - {789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} - C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIELinkedNotes.dll O9 - Extra button: Fiddler2 - {CF819DA3-9882-4944-ADF5-6EF17ECF3C6E} - "C:\Program Files (x86)\Fiddler2\Fiddler.exe" (file missing) O9 - Extra 'Tools' menuitem: Fiddler2 - {CF819DA3-9882-4944-ADF5-6EF17ECF3C6E} - "C:\Program Files (x86)\Fiddler2\Fiddler.exe" (file missing) O13 - Gopher Prefix: O16 - DPF: {5554DCB0-700B-498D-9B58-4E40E5814405} (RSClientPrint 2008 Class) - http://reportserver/Reports/Reserved.ReportViewerWebControl.axd?ReportSession=oxadkhfvfvt1hzf2eh3y1ay2&ControlID=b89e27f15e734f3faee1308eebdfab2a&Culture=1033&UICulture=9&ReportStack=1&OpType=PrintCab&Arch=X86 O16 - DPF: {82774781-8F4E-11D1-AB1C-0000F8773BF0} (DLC Class) - https://transfers.ds.microsoft.com/FTM/TransferSource/grTransferCtrl.cab O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shockwave/cabs/flash/swflash.cab O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = LapkoSoft.local O17 - HKLM\System\CCS\Services\Tcpip\..\{5992B87A-643B-4385-A914-249B98BF7129}: NameServer = 192.168.1.10 O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = LapkoSoft.local O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = LapkoSoft.local O18 - Filter hijack: text/xml - {807573E5-5146-11D5-A672-00B0D022E945} - C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLMF.DLL O23 - Service: Adobe Version Cue CS4 - Adobe Systems Incorporated - C:\Program Files (x86)\Common Files\Adobe\Adobe Version Cue CS4\Server\bin\VersionCueCS4.exe O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing) O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files (x86)\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe O23 - Service: ASP.NET State Service (aspnet_state) - Unknown owner - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_state.exe (file missing) O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files (x86)\Bonjour\mDNSResponder.exe O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing) O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing) O23 - Service: FLEXnet Licensing Service - Acresso Software Inc. - C:\Program Files (x86)\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe O23 - Service: FLEXnet Licensing Service 64 - Acresso Software Inc. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService64.exe O23 - Service: @%windir%\system32\inetsrv\iisres.dll,-30007 (IISADMIN) - Unknown owner - C:\Windows\system32\inetsrv\inetinfo.exe (file missing) O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing) O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: NVIDIA Performance Driver Service - Unknown owner - C:\Program Files\NVIDIA Corporation\Performance Drivers\nvPDsvc.exe O23 - Service: NVIDIA Display Driver Service (nvsvc) - Unknown owner - C:\Windows\system32\nvvsvc.exe (file missing) O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing) O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing) O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - C:\Windows\System32\spoolsv.exe (file missing) O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing) O23 - Service: TeamViewer 5 (TeamViewer5) - TeamViewer GmbH - C:\Program Files (x86)\TeamViewer\Version5\TeamViewer_Service.exe O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing) O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing) O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing) O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing) O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing) O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing) O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing)

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Route specific HTTP requests through pfSense OpenVPN

- by DennisQ

Hi, to start, I have very little knowledge on routes, iptables, etc. That said, here's what I'm trying to accomplish and where I think I'm stumped: Problem: We have an external website which we recently firewalled so it only accepts traffic from our office IP addresses. This works well at the office, but doesn't work for remote access through VPN as we don't route all traffic through OpenVPN. I would rather avoid forcing everyone to route all traffic through just to accommodate this one site. Environment: Main router box is running pfSense. Em0 is internal IP, Em1 is external. Internal net is 10.23.x and VPN is 10.0.8.0/24 I believe what I need to do is add a route to the VPN server config to send all traffic to that IP over the VPN tunnel. I think that part's working, but I don't get a response back, so I'm assuming that I need some NAT config on the VPN server to route the response back over the tunnel? What I've found so far is to try the following, but since this is a pfSense box on FreeBSD, I can't run iptables, etc. Make sure ip forwarding is enabled: echo 1 /proc/sys/net/ipv4/ip_forward Setup NAT back out: iptables -t nat -A POSTROUTING -s 10.0.8.0/24 -o em0 -j MASQUERADE Am I on the right path, and if so how do I accomplish this through pfSense UI or FreeBSD CLI? Thanks!

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Skype performance in IPSEC VPN

- by dunxd

I've been challenged to "improve Skype performance" for calls within my organisation. Having read the Skype IT Administrators Guide I am wondering whether we might have a performance issue where the Skype Clients in a call are all on our WAN. The call is initiated by a Skype Client at our head office, and terminated on a Skype Client in a remote office connected via IPSEC VPN. Where this happens, I assume the trafficfrom Client A (encrypted by Skype) goes to our ASA 5510, where it is furtehr encrypted, sent to the remote ASA 5505 decrypted, then passed to Client B which decrypts the Skype encryption. Would the call quality benefit if the traffic didn't go over the VPN, but instead only relied on Skype's encryption? I imagine I could achieve this by setting up a SOCKS5 proxy in our HQ DMZ for Skype traffic. Then the traffic goes from Client A to Proxy, over the Skype relay network, then arrives at Cisco ASA 5505 as any other internet traffic, and then to Client B. Is there likely to be any performance benefit in doing this? If so, is there a way to do it that doesn't require a proxy? Has anyone else tackled this?

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Site to Site VPN with Fault Tolerence

- by Nordberg

Hello, I have a situation where I require an IPSEC tunnel between two sites. Site 2 is a small branch office with basic (ADSL) connectivity and Site 1 is the "main" office with SDSL and ADSL for redundancy should the SDSL fail. From Site 1, all traffic bound for the 172.0.0.0 network will then be sent down another IPSEC tunnel to a supplier's Remote Server. See this page for the basic premise (this is a rough idea and things can be moved about etc...) I am considering specifying Cisco ASA devices as the firewalls for both sites for all connections. Would it be possible to employ something like HSRC to provide a backup at Site 1 should the SDSL go down? I suppose the key aims here are that Site 2 can somehow failover to initiate a VPN to the ASA behind the ADSL at Site 1. I will have a 21 subnet mask on all internet connections so can play with Class C routing if need be... If I'm barking up the wrong tree with HSRC, is there another way I can acheive this without massive expenditure on Barracuda routers et al? Many Thanks.

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