Discuss April 2007

discuss@lists.centos.org

368 participants
444 discussions

Cpuspeed
by Mark Hull-Richter 16 Apr '07

16 Apr '07

How necessary is it to run this gem on a desktop with a constant power supply? It doesn't seem to be all that useful, except if there's some significant power consumption advantage to lowering the cpu speed. Doesn't the CPU run at full speed unless throttled down by temperature, or is that what this thing does (for desktops)? Thanks. Mark Hull-Richter, Linux Kernel Engineer DATAllegro (www.datallegro.com) 85 Enterprise, Second Floor, Aliso Viejo, CA 92656 949-680-3082 - Office 949-330-7691 - fax

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new machine just turns off after some time.
by Jerry Geis 16 Apr '07

16 Apr '07

Hi all... I have a new machine for centos 5. amd 6000+, 2 gig and 750GIG drives. Price is quite reasonable... Anyway... centos 5 installs fine, I was running fine then the machine just turned off. I tried to run a video for the last 8 hours on it waiting to happen again and it worked just fine. I then did a continues compile with a batch file and after a few minutes it just turned off... I saw the length of time to do the compiles was increasing. At the end about 10 seconds extra than the time when I first started.... I immediately jumped into the hardware monitor for CPU temp and it is registering 45C. around 114 F. Seems OK at this point.. I have heard before RAM or power supply. Do these symptoms still point to that? Does the power supply seem more likely than RAM? The RAM is DD2 Corsair. I am doubtful that the kernel just died or something for froze as the machine TURNS OFF. THanks for any tips. Jerry

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Wow, virt-managerin Centos5 is very fussy!
by Stephen Harris 16 Apr '07

16 Apr '07

If I tell it to use an NFS source (eg nfs://server/mnt/cdrom) then itin Centos5 tries to do a CIFS mount instead (I can see it running mount.cifs and in the xterm I ran virt-manager from it then asks for a password). Wow. If I tell it to use an lvm2 volume (/dev/VolGroup00/xentest - already created at 1Gb) then it goes through, calculates the amount of space required etc etc and then barfs with no error message beyond "transaction error". The only way I can get it to work is by letting it create a file (eg /xen/test1) and installing via http (why doesn't it allow file:// type install sources? Hmmph!). (Note: I have selinux disabled, so that shouldn't be a problem). Fortunately that succeeded; I told it to install the guest without lvm, and so I could then losetup the file to get to the raw filesystem after the install completed and do a dump. In future I can make a file system from this template and build my own config file, avoiding virt-manager totally. virt-manager... guh! -- rgds Stephen

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Red Hat Directory Server
by Noah Gift 16 Apr '07

16 Apr '07

Anyone played with or know the status of Red Hat Directory Server on CentOS 5? I had some problems getting this to work on CentOS 4.4, but am very interested in using this instead of regular OpenLDAP as it supports two way synchronization to Active Directory. Noah

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Archiving mail
by Ugo Bellavance 16 Apr '07

16 Apr '07

Hi, Is anyone archiving e-mails? We use Sendmail+MailScanner on CentOS 3 and 4, and we'd appreciate any advice. Regards, Ugo

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Adding MP3 Support to Rhythmbox
by Juan C. Valido 16 Apr '07

16 Apr '07

Now that my CentOS 5 server is up and running and playing nicely with Windows, it's time for fun. What's the easiest way to add MP3 support to the Rhythmbox Music Player.

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How to create a virtual machine? (Centos-5-beta-xen)
by Matthew Berg 16 Apr '07

16 Apr '07

> I used the "virt-install" command, and every went fine until the moment to > create the partitions on the virtual disk (file "/var/xen/fc6.iso" with > 10GB). No matter with option I choose: remove all partitions, remove linux > partitions, use free space, etc, does not work. The message is: > "An error has occurred - no valid devices were found on wihich to create new > filesystems. Please check your hardware for the cause of the problem." The selinux policy restricts the location of image files. >From /etc/selinux/targeted/contexts/files/file_contexts: /var/lib/xen/images(/.*)? system_u:object_r:xen_image_t:s0 I ran into the same issue. :) Matt

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Centos5 NFS install from loop-back mounted DVD image fails
by Bernd Bartmann 16 Apr '07

16 Apr '07

NFS install from a loop-back mounted DVD image fails for me when it actually tries to start the RPM install process. I come to the point where anaconda checks the package dependencies, then it tells that the install process will be started in some minutes and the last thing I see is a message similar to: Preparing transaction from install media. Then this message box disappears and the install process is stalled. On text console #4 I see these two last lines: <5>SQUASHFS error: sb_bread failed reading block 0xb085 <5>SQUASHFS error: Unable to read page block 2c11bde, size fbb7 This happens on a x86_64 install, but I get a similar message when I try to install a i386 Centos5. Both DVD images were downloaded using Bittorrent and the sha1sums and md5sums are all correct. The NFS server is RHES4.4 i386. Any ideas how to fix this problem? Best regards, Bernd.

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DVD install via NFS asks for CD #1 ISO
by Marco Fais 16 Apr '07

16 Apr '07

Hi all, I'm installing Centos 5.0 (fresh install) x86_64 via NFS. I've downloaded just the DVD iso via bittorrent, but when it starts the graphical installation phase an error message appears telling me that anaconda can't find the CD iso in the remote server. Seems that's looking for Centos-5.0-x86_64-bin-1of7.iso, I'm downloading it right now to go ahead but... I think I'm doing something wrong or there is some problems in the NFS DVD install... Anyway, thanks for the great work folks! Let me know if you need more informations, bye!

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Problem installing CentOS 5.0
by Varian 16 Apr '07

16 Apr '07

I decided to replace Suse 10.1 with Centos 5.0 on my file server. Im getting stuck right after I select the keyboard layout. I get the following message on the console: /dev/sdb: "sil" and "pdc" formats discovered ( using pdc)! and it just hangs there. I think sil and pdc are referring to the onboard raid chips that the drive was attached to. This drive was used in a machine with a Silicon Image raid chip and a Promise raid chipset in the past, now its attached to onboard nvidia based controller but not in raid mode. I tried to low level format the drive and it sill did not work. Any ideas, I don't have this problem with Suse or Freebsd.

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Discuss April 2007