Discuss February 2011

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267 participants
208 discussions

if the file changes send email about diff
by kellyremo 06 Feb '11

06 Feb '11

I have 2 script. Script "A", Script "B". Script "A" is regulary watching the "dhcpacks" [dhcp release is configured to 2mins] in the logs, for the past 2 minutes. it writes the MAC addresses to a file [/dev/shm/dhcpacks-in-last-2min.txt] every 2 minutes. Ok, this is working, active clients are in this file. Super! Script "B": http://pastebin.com/raw.php?i=wvhwhPWu I'm trying to create a script, that watches the changes in "/dev/shm/dhcpacks-in-last-2min.txt" file [in every 1 sec]. Ok. But: my "watcher" script [the pastebined] is not working fine...sometime it works, sometime it send that someone "XY logged out", but it's not true! nothing happened, and the problem is not in the Script "A". Can someone help me point out, what am i missing? How can i watch a file [in every sec], that contains only MAC addresses, and if someone doesn't get dhcpack in 2 minutes, the file "/dev/shm/dhcpacks-in-last-2min.txt" changes, and that clients MAC address will be gone from it, and i need to know, who was it [pastebined my script..but somethings wrong with it]. Thank you for any help..i've been pathing my script for days now.. :\

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future version of bind for el5
by fakessh ＠ 06 Feb '11

06 Feb '11

hello all the people I'd call http://people.redhat.com/ atkac ~ / official member of the team redhat for news of future versions of bind 9.7 for el5 sincerely -- gpg --keyserver pgp.mit.edu --recv-key 092164A7 http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x092164A7

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Fan speed control on Supermicro X8DAL board with CentOS
by Chuck Munro 06 Feb '11

06 Feb '11

Hello folks, I'm having a difficult time trying to figure out why the CPU cooling fans run at full speed on my Supermicro X8DAL-3 motherboard. There doesn't seem to be any variable speed (the fans are PWM compatible) ... they either idle at almost nothing, or suddenly burst into a high-pitched scream that gets my ears bleeding after a few seconds. Once they jump to warp-10, they remain there. The "Super-I/O" chip on this board is a Winbond W83627DHG which does the temperature and voltage monitoring. Is anyone aware of which driver or kernel module I need for that chip in order to get control of the fans? The Supermicro web site and the board's manual aren't any help. Fresh installs of CentOS-5.5 and RHEL-6 don't exert any control by default. Installing the lm_sensors package and probing with the 'sensors' command didn't help either. Slowly going deaf ....... Chuck

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Significant speedup of package building with mock from EPEL for RHEL 6, should definitely go in CentOS 5
by Nico Kadel-Garcia 05 Feb '11

05 Feb '11

The speedups in building RPM's with "mock" from the EPEL packages for RHEL 6 are *profound*, especially if your environment is like mine and you have thousands of user id's. The issue seems to be the handling of "/var/log/lastlog" and similar files, which are otherwise quite large and take significant time to compress and uncompress when laying out new mock environments. Karabhir, what are the odds of encouragng a switch to http://mirrors.kernel.org/fedora-epel/6/mock-1.1.8-1.el6.src.rpm, and backporting it to centos/5/5/extras ? It's working very well for me, and I think it would be a helpful improvement in RPM building for both the CentOs 5.6 and CentOS 6 efforts.

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x25 line xterm
by Hal Davison 05 Feb '11

05 Feb '11

Noted that xterm by default uses 24 lines per window. I have reviewed /etc/termcap looking for a specific entry for xterm that I can edit to change the ln#24 to ln#25 for our application. When I used RedHat there was an editable option to change the number of displayable lines as is done in putty. Any suggestions? --Hal. -- Hal Davison Observe Goal, Set the course, Burn the map Davison Consulting This correspondence was composed using Dragon Speaking Version 10 Peg#: 2007011701

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CentOS 6.0 alpha testers
by valent.turkovic＠gmail.com 05 Feb '11

05 Feb '11

Hi guys, who do I need to contact to become CentOS tester? When is first alpha due for release and testing? Cheers, Valent. -- follow me - www.twitter.com/valentt & http://kernelreloaded.blog385.com linux, anime, spirituality, wireless, scuba, linuxmce smart home, zwave ICQ: 2125241, Skype: valent.turkovic, MSN: valent.turkovic(a)hotmail.com

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LiveCD System recovery - Mounting LVM?
by Johan Martinez 05 Feb '11

05 Feb '11

Hi, I am trying to recover data from my old system which had LVM. The disk had two partitions - /dev/sda1 (boot, Linux) and /dev/sda2 (Linux LVM). I had taken a backup of both partitions using dd. Now I am booting of CentOS live cd for system restore. I recreated partitions like previous system using fdisk and then used dd to dump all the data onto it. I would like to mount sda2 as LVM, but I don't know how to do that. Any steps or howto mount LVM manually would be really helpful. I think I can recover the system once I am able to access sda1 and sda2. Any help? jM.

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Unable to connect to wireless network
by Jatin 05 Feb '11

05 Feb '11

Hi CentOS users I just installed the CentOS 5.5 version on my toshiba laptop. I did the configuration that i had for the wireless settings but still i could not connect to my home wireless network. So someone please guide me on how i can connect my laptop to my wireless home network. Thanks Jatin

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compiz install on centos 5.2
by sylvan.dcunha＠gmail.com 04 Feb '11

04 Feb '11

Dear All, I know this not the right place but guess someone out in this forum will defuinately be kind enogh to advise and help me and would highly apprecite that I am new to compiz and have installed compiz but its does not work .. as it gives the following error when i run it Installed compiz as per this document http://azlan.anilezfa.com/install-compi ... nux-centos but get the following error when i run fusion-icon ------------------- * Detected Session: unknown * Searching for installed applications... Backend : ini Integration : true Profile : default Adding plugin decoration (decoration) Initializing decoration options...done * No GLX_EXT_texture_from_pixmap with direct rendering context ... nor with indirect rendering, this isn't going to work! * Using the GTK Interface * Starting Compiz ... executing: compiz --replace --sm-disable --ignore-desktop-hints ccp compiz (core) - Fatal: No composite extension ------------------------- I am using the following Centos 5.2 final vga vard is VGA compatible controller: nVidia Corporation NV6 [Vanta/Vanta LT] (rev 15) my xorg.conf is as below Section "ServerLayout" Identifier "Default Layout" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "XkbModel" "pc105" Option "XkbLayout" "us" EndSection Section "Device" Identifier "Videocard0" Driver "nv" EndSection Section "Screen" Identifier "Screen0" Device "Videocard0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Start x works fine and am able to use the GUI perfectly Really would apprecite your kind help and advice.. the computer has a on board display card thanks and regards sylvan

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Re: [CentOS] Unable to connect to wireless network
by leeodraper＠googlemail.com 04 Feb '11

04 Feb '11

Hello Jatin This might mean that you don't have the drivers for the wireless card installed. My laptop has a button that when press switches the wireless card on and a LED turns blue. If I don't have the drivers installed then the light does not turn blue. Lee ------Original Message------ From: Jatin Sender: centos-bounces(a)centos.org To: centos(a)centos.org ReplyTo: CentOS mailing list Subject: [CentOS] Unable to connect to wireless network Sent: 4 Feb 2011 16:15 Hi CentOS users I just installed the CentOS 5.5 version on my toshiba laptop. I did the configuration that i had for the wireless settings but still i could not connect to my home wireless network. So someone please guide me on how i can connect my laptop to my wireless home network. Thanks Jatin _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos Sent from my BlackBerry® wireless device

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Discuss February 2011