Discuss September 2004

discuss@lists.centos.org

60 participants
113 discussions

nVIDIA on CentOS 3.3
by Rick Graves 22 Sep '04

22 Sep '04

Hey, I tried it. The short answer is that nVIDIA cards are OK for text, but may not work at all under X. I downloaded the 3.3 ISO's, and burned new CD's. I did an X desktop install on a test bench P3 600 MHz system with a 4.3 gig drive. I did the install with a known-to-work Voodoo Banshee card to get the system going. I used a Mag DX1495 monitor, which I know does not to work on Linux with nVIDIA cards (but which works just fine running Windows with nVIDIA cards). Everything installed OK with only a minor glitch toward the end (just when going into the reboot, after setting up the monitor and display card, there were some messages about cannot find some graphics files). After going into my regular user account and adjusting some preferences, I shut the system down, replaced the Voodoo Banshee card with an nVIDIA Riva TNT 2 card, and restarted the computer. During startup, kudzu detected the hardware change, and configured the machine for the new card following my confirmation. (Windows can do this automatically, why not Linux?) Sure enough, when X tried to load, the screen went blank. Not only did the screen go blank for the X console #7, but the screen was blank for the 6 other consoles as well. I knew this because I could change to my favorite with F2, then Ctl-Alt-del to reboot. The screen stayed blank until the computer began the new boot, when the screen came back. This was exactly the situation under CentOS 3.1. Moral of the nVIDIA story: if the monitor/display card/motherboard combination works for you, great. If not, using a display card from a different manufacturer may be the best solution. IMHO. Rick

3 2

Re: kernel question
by Bart Schaefer 21 Sep '04

21 Sep '04

William Warren wrote: > An interesting bug in RHEL 3(which affects CentOS 3) has been > bantered around for a while. There are some kernel > patches(beyond my scope right now) or some echo statements tht > are used(this helped my situation). > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=89226 I don't have any direct feedback on Warren's [not excerpted] question about using other kernels, but I have some feedback on the echo statements that he mentions. I had been noticing that memory-intensive apps such as Mozilla were taking a very long time to swap back in after having been idle overnight -- more than a couple of minutes, often, when I would switch desktops for the first time each day to the one where I keep Moz running, before the window would refresh. Scanning through the bugzilla report, I saw the kernel patch that changes the vm.pagecache defaults. So I executed echo "1 5 10" > /proc/sys/vm/pagecache My applications are now MUCH more responsive; there's never a delay before the Mozilla window refreshes, and VMware works noticeably better. If you are running CentOS 3.1 or RHEL3, you might want to try this, even if you aren't seeing serious problems with swapping. This brings me to two questions: (1) Is the aforementioned kernel patch already present in the CentOS-3.3 kernels? (2) (Somwhat OT) Is there an equivalent pagecache tweak for RedHat 9? The /proc/sys/vm/pagecache "device" is not present in RH9.

2 1

Centos-3.3 i386 CDs
by Petr "Qaxi" Klima 21 Sep '04

21 Sep '04

Hi Just wondering why there are two diferent version of file comps #ll iso/mnt-cd1/RedHat/RPMS/comps-3.0.0centos-0.20040916.i386.rpm -r--r--r-- 1 root root 6821992 Sep 16 19:11 iso/mnt-cd1/RedHat/RPMS/comps-3.0.0centos-0.20040916.i386.rpm #ll iso/mnt-cd3/RedHat/RPMS/comps-3.0.0centos-0.20040916.i386.rpm -r--r--r-- 2 root root 6809965 Sep 16 18:52 iso/mnt-cd3/RedHat/RPMS/comps-3.0.0centos-0.20040916.i386.rpm # Which is the right? Petr Klima

3 3

CentOS-3.3
by Bill Wichser 21 Sep '04

21 Sep '04

Thank you for the long awaited x86_64 port! Looking through the RedHat pages concerning their EL releases, I find that the ES and WS versions claim to support only 2 CPUs while the AS version supports, well, more. With the CentOS releases following the ES releases, can I assume that this too is limited to two CPUs? Is this a kernel issue or something else? Should I be thinking of loading a non-CentOS release on a quad Opteron box? Thanks, Bill

3 3

kernel update
by William Warren 21 Sep '04

21 Sep '04

My kernel was grabbed by the installer and properly isntalled..what threw me was tht only kernel utils was mentioned during the header download..:) William -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

1 0

yum configuration files lost while/after updating ?
by Martin Hamant 21 Sep '04

21 Sep '04

Hello centOS users, Today i've installed a fresh centos 3.1, and modified the [update] section of my/etc/yum.conf, to point on my own update repository. My update repository (3.1) contains exactly the same content that the official one. Update was successful but now /etc/yum.conf is missing :( Here it is what i've noticed during the update process: # cat /etc/redhat-release CentOS release 3.1 (final) #yum update [...] warning: /etc/yum.conf created as /etc/yum.conf.rpmnew yum 100 % done 96/191 [...] warning: /etc/centos-base-yum.conf saved as /etc/centos-base-yum.conf.rpmsave Completing update for yum - 110/191 [...] Transaction(s) Complete # cat /etc/redhat-release CentOS release 3.3 (final) => files /etc/yum.conf* /etc/yum.conf -> /etc/centos-base-yum.conf ( Broken link! read the rest) /etc/yum.conf.rpmnew /etc/yum.conf-SAVE => files /etc/centos* /etc/centos-base-yum.conf.rpmsave /etc/centos-yum.conf I don't understand what happened :-O An idea ? -- Martin

4 4

SATA RAID Card
by Harris 21 Sep '04

21 Sep '04

anyone have experiences installing SATA raid card with CentOS/RHEL? I am considering Promise FastTrak S150 Tx2 plus, FastTrack 2200 or FastTrack S150 Sx4 Which one of these ( or any othe brand) can ensure smooth install of CentOS without problems, thanks. :)Harris LIU

4 6

kernel update
by William Warren 21 Sep '04

21 Sep '04

an updated kernel was released in U#..however when i did yum update it did not grab the actual kernel only kernel utils..What do i need to do to make yum grab the kernel as well during the update process? -- My "Foundation" verse: Isa 54:17 No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the LORD, and their righteousness is of me, saith the LORD. -- carpe ductum -- "Grab the tape"

1 0

Hostname Question?
by Beth Curotto 20 Sep '04

20 Sep '04

Is there just one file that stores the Hostname globally? Or if I needed to change the Hostname would I need to update several different files? I am currently using 3.1 Thanks to all.

2 1

centos 3.3 and updates for 3.1
by seth vidal 20 Sep '04

20 Sep '04

5 7

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Discuss September 2004