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  • Diagnostic high load sys cpu - low io

    - by incous
    A Linux server running Ubuntu 12.04 LTS with LAMP has a strange behaviour since last week: - cpu %sys higher than before, nearly equal %usr (before that, %sys just little compare with %usr) - IO reduce by half or 1/3 compare with the week before I try to diagnostic the process/cpu by some command (top/vmstat/mpstat/sar), and see that maybe it's a bit high on interrupt timer/resched. I don't know what that means, now open to any suggestion.

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  • In CPanel, cron job is not being executing and not sending any mail

    - by Abhishek
    though many of us has asked many question related to cron jobs, let me ask my one... I want to execute a PHP script periodically. As a cron command I'm using: php -q http://www.example.com/cron.php?action=getA I also tried this one: php -q /home/myuser/www.example.com/cron.php?action=getA It is not getting executed and not sending any mail. I set the mail ID to my gMail ID. What am I doing wrong?

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  • rdate for Windows 2008

    - by Lars D
    I need a command line tool that adjusts the time of a Windows 2008 server, using an internet clock. The purpose is to adjust the time in a script, when other apps from that script are not running. It is not an option to use the built-in NTP service because that makes some apps on this server fail - note, that this server is used in an industrial environment with no PCs on the network and no Windows update or similar applied. Any idea, anyone?

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  • Completely remove MySQL from macbook pro

    - by mike
    Im prety sure i completely removed mysql from my system, except for one thing. When i type mysql in the command line i get this bash: /opt/local/bin/mysql5: No such file or directory How is it still recognizing where it thinks mysql should be? I'm trying to build it myself in /usr/local, and when i do install it there, i still get that error message for it looking for it in opt/local.

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  • Bash child proccess PID - how do you get it?

    - by Jason Tan
    Can any one tell me how to get the PID of a command executed in bash. E.g. I have a bash script that runs imapsync. When the script is killed the imapsync process does not always get killed, so I'd like to be able to identify the PID of imapsync programatically from my script, so that I can kill the imapsync process myself in a signal handler. So how do I programatically get the PID of a child process from a parent bash script? Thanks Folks

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  • strange behaviour of grep in UNIX

    - by Happy Mittal
    When I type a command $ grep \h junk then shell should interpret \h as \h as two pairs of \ become \ each, and grep in turn, should interpret \h as \h as \ becomes \, so grep should search for a pattern \h in junk, which it is doing successfully. But it's not working for \$. Please explain why ?

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  • strange behaviour of grep in UNIX

    - by Happy Mittal
    When I type a command $ grep \\h junk then shell should interpret \\h as \h as two pairs of \ become \ each, and grep in turn, should interpret \h as \h as \ becomes \, so grep should search for a pattern \h in junk, which it is doing successfully. But it's not working for \\$. Please explain why ?

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  • Not able to install Win Xp on Lenovo Ideapad z570

    - by gary
    I want to install Win Xp on my Ideapad Z 570 laptop but i always get blue screen with message with some drive related problem which asks me to run CHKDSK command. I tried with that but no luck. Is there any way i can install Win Xp with SP 2 ? Edit: i searched across the sites and came to know there could be some Compatibility problems, and i could fix it by setting HDD mode to IDE; will it solve the problem?

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  • Iptables rule creation error: No chain/target/match by that name

    - by MikO
    I'm trying to create my first VPN on a VPS with CentOS 6, following this tutorial. When I have to create an iptables rule to allow proper routing of VPN subnet, with this command: iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE It throws this error: iptables: No chain/target/match by that name I was searching and I've found that this error is usually thrown when you misspell something, but as far as I understand, the rule is correct...

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  • Can I use TCP as DNS query protocol on Mac OS?

    - by Brian
    Hi, I'm using Mac OS, Snow Leopard 10.6.2, and I'm suffering from UDP packet loss during DNS query. So I tried DNS query as TCP using dig command, it worked very well. However, I can't find some control switch to change to use TCP during DNS query. Is there a way to change it in Mac OS? Thank you.

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  • Can I use TCP as DNS query protocol on Mac OS?

    - by Brian
    Hi, I'm using Mac OS, Snow Leopard 10.6.2, and I'm suffering from UDP packet loss during DNS query. So my web browser is too slow to surf internet nicely. But it worked very well when I tried a DNS query on TCP using dig command. However, I can't find some control switch to change to use TCP during DNS query. Is there a way to change it in Mac OS? Thank you.

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  • Can you create ACLs with open vSwitch on XenServer 5.6FP1 without using the DVS appliance?

    - by bwizzy
    I have a pool of XenServer hosts running the Free version of XenServer 5.6 FP1. I was wondering if I change the network backend to use Open vSwitch if I can specify ACLs on individual network VIFs without needing to use the DVS appliance (distributed virtual switch) which requires an Advanced License or higher. Basically I'm looking for a way to isolate VMs on my network so that if a user had root access on the command line they couldn't access other servers they should not be able to (without using a VLAN).

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  • How do I crop an image in the Mac version of Microsoft Word?

    - by Bec
    I know how to do it in the Windows version of Word but I can't work out how in the Mac version. In Windows there's a crop tool where you can just drag to move the edges in to crop the image, how do I do that on the Mac? Also on the old version of Windows there was a command to delete the cropped sections of all images in a document to save file space, I can't find that in Word 2007 or Word for Mac.

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  • Thinkpad Edge e320 thermal sensors description

    - by koressak
    I have a quite specific question concerning description of thermal sensors of my notebbok Thinkpad Edge E320. I have a debian linux installed with lm_sensors package and running command sensors show eight different values without any description of course (temp1 through temp6). I would like to know which one is which (cpu, gpu, hdd, etc.) Using google I didn't find any specific material concerning this exact model. Coult someone point me in the right direction? Thank you in advance.

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  • How do I install Netatalk in Ubuntu 9.10 (tutorial)?

    - by Phobis
    I have never installed Netatalk before. I have to help someone get this up and running on a Ubuntu 9.10 server and I don't know if there is any special configuration or install steps I need to follow in Ubuntu 9.10 to get it up and running. I am doing this remotely through ssh, so I prefer instruction via command-line. Thanks!

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  • How to run linux bash script from web browser?

    - by sahil007
    Hi I have web server on it also. I had made simple bash script using vi editor..which will open file and then add some lines into it at last it will save automatically...and after that 2-3 linux command will be run as a specific user. Now I want to do the same from web browser...so what I need to do for this? html?perl?python?cgi?....?which is easy way to do the same?

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  • Manually closing a port from commandline

    - by codingfreak
    Hi I want to close an open port which is in listening mode between my client and server application. Is there any manual command line option in Linux to close a port ?? NOTE: I came to know that "only the application which owns the connected socket should close it, which will happen when the application terminates." I dont understand why it is only possible by the application which opens it ... But still eager to know if there is any another way to do it ??

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  • Openbox fails on login

    - by Sam
    X throws this error: Xsession: unable to launch "/usr/share/xsessions/openbox.xsession" Xsession --- "/usr/share/xsessions/openbox.xsession" not found; Falling back to default session. But a trip to the Command line reveals: sam@Aristotle:/usr/share/xsessions$ ls ... -rw-r--r-- 1 root root 164 2011-05-22 12:27 openbox.xsession ... I am using Ubuntu 12.04, openbox 3.5.0, and X.Org X Server 1.10.4

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  • Ubuntu (9.1) behind a ISA proxy

    - by Dan
    I have set up a Ubuntu PC on a next work that is behind a ISA Proxy. When I run the command sudo apt-get update I get several messages with this message: 502 Proxy Error (The ISA Sever denied the specified Uniform Resource Locator) The computer can see the internet and adding the proxy settings in the Network Preferences does not help. When I do a ifconfig Im on a 192 address which is not the usual subnet our PCs are on. Any ideas?

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