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kickstart ks.cfg file on USB devices
by Bill Campbell 11 Apr '08

11 Apr '08

Is there an easy way to specify the proper device location for the kickstart configuration file if it is on a USB flash or USB floppy drive? Depending on the hard disk configuration they might by /dev/sda, /dev/sdb, etc. On SuSE'autoyast instalattions, the system searches all available devices for an ``info'' configuration file. Does CentOS 5.x do something similar to find a ``ks.cfg'' file? Bill -- INTERNET: bill(a)celestial.com Bill Campbell; Celestial Software LLC URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way Voice: (206) 236-1676 Mercer Island, WA 98040-0820 Fax: (206) 232-9186 Scientists are explorers. Philosophers are tourists. -- Richard Feynman

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Mail problems? Need help finding this process!
by Glenn 11 Apr '08

11 Apr '08

Hello All, I can't get this one figured out. The few search hits I get on it suggest it is mail-related, but I don't even know how that was determined. Apr 11 12:18:17 mxt root: Process did not exit cleanly, returned 255 with signal 0 I get one of these per minute. I can't seem to tweak for more verbosity. Could someone tell me what is going on or point me to a place to start troubleshooting this? CentOS 5 final fully updated Sendmail 8.13.8 Dovecot 1.01 MailScanner 4.68.8 SpamAssassin 3.2.4 ClamAV 0.92.1 My milters have been turned off for troubleshooting. Thanks, Glenn

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[Rpm/Yum - Enabled Exception Qt]
by Ederson de Moura 11 Apr '08

11 Apr '08

Hi all, I am trying to install the packages of Qt/Trolltech by "yum", but the Qt comes without the support of exceptions, it possible enable that? I do not want to compile the Qt manually! Best regards, edm. -- Ederson de Moura "Your mind is like a parachute: it works better when open."

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LDAP global address book
by dnk 11 Apr '08

11 Apr '08

has anyone seen any sort of tutorial pertaining to centos 5? I have found some old ones on redhat 9, but was looking for something a little more modern. dnk

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ssl and NameVirtualHost
by Tony Schreiner 11 Apr '08

11 Apr '08

I recently aquired a Verisign SSL certificate for my web server on Centos 4, with apache 2.0.59 from centosplus. It however doesn't seem to be working the way I've set it up, browsers connect but are told the certiticate is not recognized. Showing more info, the information looks correct. I think it has probably to do with the fact that I'm using the certificate on a virtual named host, and I wonder If any body has experience doing this? A few places in the apache documentation suggest that SSL cannot be used with name based virtual hosting, but I don't if that means, not at all, or not with multiple named hosts. I have multiple NameVirtualHost on port 80, but will only plan to use one of the names on port 443. The start of the section in my ssl.conf goes like this: <VirtualHost _default_:443> ServerName nameprotected.domain.edu:443 ServerAdmin me(a)domain.edu DocumentRoot /var/www/docs/nameprotected nameprotected.domain.edu is a DNS CNAME to the actual host. How do folks do SSL and virtual hosts? multiple IP addresses is not an option for me. TIA Tony Schreiner

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Building a 64bit rpm
by Joseph L. Casale 11 Apr '08

11 Apr '08

I want to build the 64bit version of Xen 3.2, they only show one srpm available. I assume if its compiled on a x86_64 version of CentOS 5.1 it will be a 64bit rpm when its done? I am aware its not good to build as root but out of curiosity, if I used a vm that I would later destroy, is the only caveat to building as root potential damage to the build system, or can the actual rpm be built incorrectly? Thanks for any hints, jlc

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Re: [CentOS] Strange reboots
by David G. Miller 11 Apr '08

11 Apr '08

Kai Schaetzl <maillists(a)conactive.com> wrote: > Linux wrote on Fri, 11 Apr 2008 00:06:40 +0300: > > >> > Every 59 minutes (maybe every hour) it reboots without any logs, >> > without any traces and unfortunately with breaking software raid. >> > After reboot dmesg does not have any strange entries. >> > >> > I double-checked crons, any strange services, nothing suspicious. >> > > Disable cron and at completely for two hours or so and see what happens. > > >> > guess reboot is cold reboot. >> > > Guess? You would see that if you sit at the console. You do not see it > shut down, just suddenly the BIOS screen? Then it's cold ... > > For what do you need that mem line for the kernel? Doesn't it recognize > the RAM? > > Kai Some interesting information would be: as root: crontab -l and the output from: ls /etc/cron.hourly/ ls /var/spool/at/spool/ You might also try to keep top running when the system is due to reboot. If you're sshed in, the last update of top will be preserved at least until the system is back up. My old server led me on a wild goose chase when it rebooted whenever backups ran. Turned out that running amanda for backups was the heaviest load the system saw so it aggravated a hardware problem (bad capacitors). Not saying that that's specifically what's going on for your system but there are circumstances where software running causes a load change that then triggers a hardware fault. Cheers, Dave -- Politics, n. Strife of interests masquerading as a contest of principles. -- Ambrose Bierce

1 0

Is iptables -j CONNMARK not available in CentOS4??
by Eric B. 11 Apr '08

11 Apr '08

Hi, I'm running CentOS 4 with most of the latest updates, but am having trouble with iptables and the CONNMARK target. Is it available in the CentOS 4 kernel? Running on i386: kernel: 2.6.9-67.0.4.ELsmp iptables: v1.2.11 # iptables -t mangle -A PREROUTING -j CONNMARK --set-mark 1 iptables: No chain/target/match by that name I see I do have the CONNMARK lib in /lib/iptables/libipt_CONNMARK.so. Am I doing something wrong to have access to it? Thanks, Eric

1 0

question on RAID performance
by Jerry Geis 11 Apr '08

11 Apr '08

Hi all, I was wonder what experiences there are out there with using RAID-X for performance increases. I do use RAID-1 (2 disks) but am interested in attemtps to gain higher R/W performance. Do the RAID-5's etc give noticeable performace increases? A significant help for me was using ccache for compiling programs. That was a real performance increase. Thanks for any suggestions/opinions. jerry

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SugarCRM pro and PHP 5.2
by Chris Boyd 11 Apr '08

11 Apr '08

We're looking at SugarCRM 5, but they strongly recommend PHP 5.2.4. Looking around I see that a few individuals are maintaining repos for CentOS, but I'd prefer to get it from one of the larger repositories. Anyone out there using http://www.jasonlitka.com/yum-repository/ ? Any idea when PHP 5.2x will be available? --Chris

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