Discuss February 2008

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286 participants
340 discussions

strange situation with dev sr0
by David Hláčik 29 Feb '08

29 Feb '08

Hi I have absolutely no idea what does it means : --------------------- Kernel Begin ------------------------ WARNING: Kernel Errors Present Buffer I/O error on device sr0, l ...: 16932 Time(s) end_request: I/O error, dev sr0, sector ...: 16962 Time(s) ---------------------- Kernel End ------------------------- I am getting this all the time a lot of times as you can see. Machine is running on Centos 5.1 x64 running vmware server , with 2 serial ata devices sda sdb connected into raid md0 md1 level 1. I have no device sr0 and I do not know what it is. I have DVDRW on /dev/hda I believe it all started once when I used cdrecord to burn image on cd and I've got error messages that device is not ready. Since I was not able to kill cdrecord propertly I did restarted system. Since then I am allways receiving this messages. Thanks a lot David

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erroneous and irritating messages
by Phil Savoie 29 Feb '08

29 Feb '08

HI All, Keep getting the following in the messages file: Feb 28 21:24:43 hp kernel: ACPI: Unable to turn cooling device [f7d82dec] 'on' Feb 28 21:25:13 hp last message repeated 5 times Have hordes of these. All fans are working fine afaikt. Any idea how to make the beast stop reporting these messages? I am running kernel 2.6.18-53.1.13.el5 #1 SMP. Thanks in advance, Phil

3 3

MRTG question on CentOS
by Rogelio 29 Feb '08

29 Feb '08

I'm trying to get MRTG up and running on CentOS, but the displayed http page says that I don't have permission to access /mrtg/ on the server. Here are my commands yum install mrtg vim /etc/httpd/conf.d/mrtg.conf /etc/init.d/httpd restart cfgmaker --global 'WorkDir: /var/www/mrtg' --global 'Options[_]: bits,growright' --output /etc/mrtg/mrtg.cfg public(a)10.200.200.1 mrtg /etc/mrtg/mrtg.cfg env LANG=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg env LANG=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg (type again, per the MRTG instructions) For what it's worth, when I 'tail /etc/httpd/logs/error_logs", I get the following [Wed Feb 27 15:41:13 2008] [error] [client 10.200.200.58] Directory index forbidden by Options directive: /var/www/mrtg/ Any suggestions?

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smtp mailer or SMART_HOST in sendmail.mc
by Jerry Geis 28 Feb '08

28 Feb '08

Is there a EASY way to change the SMART_HOST in sendmail.mc. Some command line that does it? Trying to explain to customers editor commands, etc... to edit this file, change the name, make and service sendmail restart is BIG for someone that doesnt know linux... Just wondering if something exists already before I make something. Dont wish to redo anything. Thanks, Jerry

7 8

installkernel
by Artie Ziff 28 Feb '08

28 Feb '08

Hi, I have a question about: /sbin/installkernel I believe this line: LINK_PATH=/boot and usage of this variable... is a bug. What do others say? Using this script, as-is, I would need to chroot to make it work properly for a alternative INSTALL_PATH, right? who the heck is tyson? why did he re-write this? # # /sbin/installkernel - written by tyson(a)rwii.com # Cheers, AZ

1 0

perl error on CentOS
by Rogelio 28 Feb '08

28 Feb '08

when i type 'perl perlscript.pl, I get the following error Can't locate version.pm in @INC (@INC contains: /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.7/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.6/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl/5.8.7 /usr/lib/perl5/site_perl/5.8.6 /usr/lib/perl5/site_perl/5.8.5 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.7/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.6/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl/5.8.7 /usr/lib/perl5/vendor_perl/5.8.6 /usr/lib/perl5/vendor_perl/5.8.5 /usr/lib/perl5/vendor_perl /usr/lib/perl5/5.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8 .) at perlscript.pl line 29. What do I need to do to configure my perl environment? I typed in CPAN and "install Bundles::CPAN" and it seemed to install everything, but on line 29 of the perl script, it has a problem with the line use version; our $VERSION = '2.1.0';

3 4

Seelinux : Allow postfix to connect to MysQL
by Sudheer 28 Feb '08

28 Feb '08

Hello, I just configured postfix so that it uses MySQL database to store virtual domain and user info. When SELinux is enalbed, postfix fails to connect to MySQL. Below is an example error from the mailog file. postfix/trivial-rewrite[4753]: fatal: mysql:/etc/postfix/mysql_virtual_alias_maps.cf(0,lock|fold_fix): table lookup problem When I turn off Selinux, the problem does not appear. How can I configure Selinux to allow postfix to connect to MySQL? I am using CentOS release 5 (Final). I have installed the postfix and mysql-server packages from CentOSplus repository. The server is located in a remote location and GUI is not installed on it. I appreciate any help, Regards, Sudheer

1 0

xen domU shutdown and save
by gen2 28 Feb '08

28 Feb '08

Hi There, Having some trouble discovering how to shutdown domU's without saving them. I have some awful power from the grid causing the backup battery system to initiate shutdown's on dom0, which is the desired result, however domU's are saving (which I don't want) and this takes a very long time (for whatever reason). As they shutdown, console does this .................................on and on while it tries to save the domU's, past the point where the battery can sustain the dom0. So I need a way to consistently, gracefully deal with dom0 shutdowns (in a timely manner). I have the domU's in /etc/xen/auto. Thanks for any pointers! W

2 1

how to uninstall
by scaglietti amore 28 Feb '08

28 Feb '08

hello guys i have centos5.1, and my subject is : when i install a package without the rpm tool cause its not rpm package like configure , make , make install how can i uninstall it later ? thank u all for ur time _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

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proliant ml370
by Hiep Nguyen 28 Feb '08

28 Feb '08

hi all, i just inherit a server: Compaq ProLiant ML370 Generation 2 Server with Smart Array 5300 Controller with 6x18.2GB hard drives. i want to install centos 5 on it with hardware raid 1. any idea how? it also has a build-in and add-on ethernet cards. how do i know which one is which to assign ip? thanks. t. hiep

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Discuss February 2008