Discuss June 2009

discuss@lists.centos.org

286 participants
328 discussions

Re: [CentOS] nvidia dual monitor setup centos howto
by Dave 16 Jun '09

16 Jun '09

On Mon, Jun 15, 2009 at 8:38 PM, Sorin Srbu<sorin.srbu(a)orgfarm.uu.se> wrote: > >>Which versions of RH or FC correspond reasonably well to >>my version of centos? >>uname -a >>Linux 2.6.18-128.1.10.el5 #1 SMP Thu May 7 10:35:59 EDT 2009 x86_64 >>x86_64 x86_64 GNU/Linux > > > I use CentOS 5.3 i386/x86_64 flavours A typo erased part of the question (and more googling erased some of the need for it). I was originally asking what howtos to look at, since I couldn't find centos howtos. then I found wiki.centos.org. Is it really of no interest to anyone else which rev of RH corresponds to which rev of fedora and centos? > If I were you I'd look more into dkms and the dkms-nvidia-packages. Those > are more current, than the driver package in nvidia-x11*. Useful suggestion. The wiki page I was looking at made no helpful distinction between them, so I picked the one that sounded simpler. > Or if all else fails, why not get the proprietary Nvidia drivers? Well, all else did not fail. And they want me to run a script that does I don't know what, outside the record-keeping that goes with yum/rpm. Also, nvidia's web page made it sound like I was in for an editing session on xorg.conf, which is beyond me. Maybe I misunderstood. Dave

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Re: [CentOS] Welcome to the "CentOS" mailing list
by Sagar Koirala 16 Jun '09

16 Jun '09

My apologies for posting an already solved problem, but dont know if its my ignorance that is not getting me to my desired results.....trying to mount an external usb hard drive(ntfs) in my system. In my CentOS box, I tried to install dkms, dkms-fuse, fuse and fuse-ntfs-3g as follows(including what happened) [root@Production mnt]# yum install dkms dkms-fuse fuse fuse-ntfs-3g Setting up Install Process Setting up repositories Reading repository metadata in from local files Parsing package install arguments Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Package dkms.noarch 0:2.0.20.4-1.el4.rf set to be updated ---> Package fuse-ntfs-3g.x86_64 0:2009.4.4-2.el4.rf set to be updated ---> Package fuse.x86_64 0:2.7.4-1.el4.rf set to be updated ---> Package dkms-fuse.noarch 0:2.7.4-1.nodist.rf set to be updated --> Running transaction check Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: dkms noarch 2.0.20.4-1.el4.rf rpmforge 60 k dkms-fuse noarch 2.7.4-1.nodist.rf rpmforge 70 k fuse x86_64 2.7.4-1.el4.rf rpmforge 254 k fuse-ntfs-3g x86_64 2009.4.4-2.el4.rf rpmforge 368 k Transaction Summary ============================================================================= Install 4 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 752 k Is this ok [y/N]: y Downloading Packages: Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing: fuse ######################### [1/4] Installing: dkms ######################### [2/4] Installing: fuse-ntfs-3g ######################### [3/4] Installing: dkms-fuse ######################### [4/4] Installed: dkms.noarch 0:2.0.20.4-1.el4.rf dkms-fuse.noarch 0:2.7.4-1.nodist.rf fuse.x86_64 0:2.7.4-1.el4.rf fuse-ntfs-3g.x86_64 0:2009.4.4-2.el4.rf Complete! [root@Production mnt]# The hard drive shows in GUI, but doesn't open or mount as I expected. The output of uname -a and rpm -qa|grep kernel|sort kernel-2.6.9-34.0.1.EL are: [root@Production mnt]# uname -a Linux Production 2.6.9-34.0.1.ELsmp #1 SMP Wed May 24 05:28:30 CDT 2006 x86_64 x86_64 x86_64 GNU/Linux [root@Production mnt]# rpm -qa|grep kernel|sort kernel-2.6.9-34.0.1.EL kernel-2.6.9-34.EL kernel-devel-2.6.9-78.0.22.EL kernel-smp-2.6.9-34.0.1.EL kernel-smp-2.6.9-34.EL kernel-smp-devel-2.6.9-78.0.22.EL kernel-utils-2.4-13.1.80 [root@Production mnt]# I am guessing that I am using mismatched versions of kernels but just not getting there... Tried looking all over the place for a solution, haven't had any luck yet! Thanks.

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OT: need advice on drive controller
by Robert Arkiletian 16 Jun '09

16 Jun '09

I am thinking of getting an Areca ARC-1222 connected to 6 sata drives in raid 10. http://www.areca.com.tw/products/pcietosas01.htm I have read good things about the ARC-1220 (iop333) sata only. The ARC-1222 (iop348) is the newer generation (sata or sas). Does anyone have advice/experience on this drive controller? -- Robert Arkiletian

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nvidia dual monitor setup centos howto
by Dave 16 Jun '09

16 Jun '09

I had some trouble setting up dual monitors on centos with an nvidia card. I managed to track stuff down, so I thought I'd make it public on the list. I have an nvidia quadro nvs 290 in a Dell, recently installed centos5. Same stuff should apply for other nvidia cards. I needed nvidia-x11-drv.x86_64. It is available from rpmforge. Installing rpmforge is described on this page(http://wiki.centos.org/AdditionalResources/Repositories/RPMForge). If you just open the display panel and choose dual monitor settings and restart X, X can't get started and gives error messages. When I restore the old /etc/X112/xorg.conf, it comes back to life, without dual monitors of course. Here are the actual commands I entered as root: yum install yum-priorities echo 'priority=1' >> /etc/yum.repos.d/CentOS-Base.repo echo 'priority=1' >> /etc/yum.repos.d/CentOS-Media.repo echo 'priority=2' >> /etc/yum.repos.d/epel.repo echo 'priority=2' >> /etc/yum.repos.d/epel-testing.repo echo 'priority=3' >> /etc/yum.repos.d/adobe-linux-i386.repo echo 'priority=3' >> /etc/yum.repos.d/rpmfusion-free-updates.repo echo 'priority=3' >> /etc/yum.repos.d/rpmfusion-free-updates-testing.repo echo 'priority=3' >> /etc/yum.repos.d/rpmfusion-nonfree-updates-testing.repo echo 'priority=3' >> /etc/yum.repos.d/rpmfusion-nonfree-updates.repo wget http://apt.sw.be/redhat/el5/en/x86_64/RPMS.dag/rpmforge-release-0.3.6-1.el5… rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt rpm -K rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm yum --localinstall rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm yum localinstall rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm yum check-update yum search nvidia yum install nvidia-x11-drv.x86_64 I originally googled around for a howto, it took me much more effort than it should to find http://wiki.centos.org. Wonder if there is a way to get google to give better results? Found someone with similar problems, someone suggested installing the right thing but neglected to point out where it comes from. So I was getting this: sudo yum search *nvidia* Loaded plugins: fastestmirror, security Loading mirror speeds from cached hostfile * rpmfusion-nonfree-updates-testing: mirrors.cat.pdx.edu * epel: mirror.its.uidaho.edu * rpmfusion-free-updates-testing: mirrors.cat.pdx.edu * rpmfusion-nonfree-updates: mirrors.cat.pdx.edu * extras: mirrors.cat.pdx.edu * rpmfusion-free-updates: mirrors.cat.pdx.edu * updates: repos.lax-noc.com * base: mirrors.xmission.com * addons: repos.lax-noc.com Warning: No matches found for: *nvidia* No Matches found Which versions of RH or FC correspond reasonably well to my version of centos? uname -a Linux 2.6.18-128.1.10.el5 #1 SMP Thu May 7 10:35:59 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux thanks, Dave

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Re: [CentOS] which programming language for server-side admin tasks
by lincohn john 16 Jun '09

16 Jun '09

Just curious, why not just use C/C++? thanks in advance ! Lincong --- On Mon, 6/15/09, David G. Mackay <mackay_d(a)bellsouth.net> wrote: > From: David G. Mackay <mackay_d(a)bellsouth.net> > Subject: Re: [CentOS] which programming language for server-side admin tasks > To: "CentOS mailing list" <centos(a)centos.org> > Date: Monday, June 15, 2009, 3:16 PM > > On Mon, 2009-06-15 at 10:04 -0500, Les Mikesell wrote: > > > Also, there are several engineers at Red Hat that > are very unhappy with > > > the impact that the 3.0 release is going to have > on them. > > > > Yes but it has been obvious for a long time that > python does not > > consider backwards compatibility to be > important. This shouldn't have > > come as a surprise. By comparison, perl has been > around longer and > > Judging by some of the comments on the fedora-devel list, > it did anyway. > > > through more changes and yet about the only thing you > might have to > > check on a program written for perl 1.x to run under > 5.x would be > > whether you have @ in double-quoted strings that you > wanted to remain > > literal. > > I used to do a lot of coding in perl, but I found that I > liked python > better. I still like python for quick and dirty > one-offs, but I'm not > going to use it for large and persistent projects. > > > One other consideration is that perl probably has the > current advantage > > in terms of available code library modules. > Pretty much anything you > > can imagine doing has already been done and > contributed to CPAN so often > > the code you have to write yourself is trivial with > the modules doing > > the bulk of the work. Java may be catching up in > this regard but I > > don't think there is a central place to find available > code. > > Google? ;) > > I guess the real question is how well java is going to > prosper under > Oracle's ownership. Then again, with openjdk, it > might not matter too > much. > > Dave > > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos >

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Re: [CentOS] problem mounting ntfs device in centos
by Sagar Koirala 16 Jun '09

16 Jun '09

I don't believe there are people like me :), doing things first and then reading "pre-requirements" later..... Sincere thanks for your help that came through all the top-posted replies !! :) Cheers!

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Re: [CentOS] problem mounting ntfs device in centos
by Sagar Koirala 16 Jun '09

16 Jun '09

I did yum update kernel-smp and rebooted the machine, and blops.....the drive opened! Thanks for your help! On Tue, Jun 16, 2009 at 1:24 PM, Filipe Brandenburger <filbranden(a)gmail.com>wrote: > Hi, > > On Mon, Jun 15, 2009 at 23:20, Sagar Koirala<sagar.koirala(a)gmail.com> > wrote: > > ntfs-3g-mount: fuse device is missing, try 'modprobe fuse' as root > > Well, did you try running that? What are the results? > > Please do not top post, and trim your replies to the list. See > "Guidelines for CentOS Mailing List posts" on this page: > http://www.centos.org/modules/tinycontent/index.php?id=16 > > HTH, > Filipe > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos >

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Re: [CentOS] FYI: solution Re: mock %post(pam) failure
by Alan Evans 16 Jun '09

16 Jun '09

Farkas' solution is exactly right. I have been banging my head against this problem for a while now and it wasn't until I finally paced myself and read carefully through the entire thread that I found this solution. Here is the procedure spelled out a bit more precisely. Get the CentOS 5.2 rpms of popt, rpm, rpm-libs, rpm-python and rpm-build. Obviously you can use most any mirror and if you are using i386 you should replace x86_64 with i386. I prefer to use RIT since its my Alma Mater and they seem to have good bandwidth and keep older versions. # wget http://mirrors.rit.edu/centos/5.2/os/x86_64/CentOS/popt-1.10.2-48.el5.x8 6_64.rpm # wget http://mirrors.rit.edu/centos/5.2/os/x86_64/CentOS/rpm-4.4.2-48.el5.x86_ 64.rpm # wget http://mirrors.rit.edu/centos/5.2/os/x86_64/CentOS/rpm-build-4.4.2-48.el 5.x86_64.rpm # wget http://mirrors.rit.edu/centos/5.2/os/x86_64/CentOS/rpm-libs-4.4.2-48.el5 .i386.rpm # wget http://mirrors.rit.edu/centos/5.2/os/x86_64/CentOS/rpm-python-4.4.2-48.e l5.x86_64.rpm It took some testing but because we are rolling back several packages RPM handled the dependencies a little weird but here's the rpm command that does all the magic. # rpm -Uvh --oldpackage --nodeps popt-1.10.2-48.el5.x86_64.rpm rpm-4.4.2-48.el5.x86_64.rpm rpm-libs-4.4.2-48.el5.i386.rpm rpm-python-4.4.2-48.el5.x86_64.rpm --nodeps is required because rpm complains about needing to fill some dependencies for 4.4.2-48 but we are in fact trying to install those very dependencies so we have to tell rpm not to bother. If you are concerned throw in a --test switch to make sure everything goes well. I never like using rpm to roll back rpm, just seems dangerous, like crossing the streams. After rolling back to the CentOS 5.2 versions of popt, rpm, rpm-libs and rpm-python I am able to successfully init the epel-5-i386 mock root. I tested several times and made sure to clear the build root and yum caches in my tests. Farkas' suggested this might be a bug in rpm or popt which seems to hold true. Clearly between point releases something changed that caused rpm to behave slightly differently when it comes to ordering transactions. I am comfortable now using the slightly outdated RPMs but I wonder what will happen in CentOS 5.4/5.5 and so on. Regards, -Alan KEYWORDS: mock 0.9.14, CentOS 5.3, coreutils 5.97, pam 0.99.6.2

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Re: [CentOS] re-install over internet
by Bob Puff 15 Jun '09

15 Jun '09

>> John: If the DC has KVM over IP, they can connect to his box, can he do it with that? Lanny Interesting idea. I don't think they do, but even if they did, I don't have the install CD in the drive. Is there a way to perhaps load a tiny distro on /boot, reconfigure grub to load that, and then use that to do the deed? I can copy the data to other nearby servers, so I'm not worried about that, but I don't have the install CDs handy. I could download something to a nearby server though, if that would help. Bob

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Re: [CentOS] re-install over internet
by Bob Puff 15 Jun '09

15 Jun '09

> you'd need a remote console of some sort on that box. many brand name > servers have these, HP calls it iLO, Dell calls it DRAC, etc. these > have their own ethernet port, which has to be connected to the network > and configured. you'd also need a PXE server on the same network > segment to do a jumpstart install from, or use a virtual CD with that > remote console (slow if you're not onsite) > Barring that, I think you are SOL. Thanks for the reply. I some more details: I have the following HD config: sda1 - 100 megs, /boot sda2 - 1gb, swap sda3 - 70gb, raid ------ sdb1 - 100 megs, empty sdb2 - 1gb swap sbb3 - 70gb raid Would it be possible to use /boot to hold something? or perhaps turning off the swap and using the two gigs there? I could probably trim down the OS to under 2gb total. Bob

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Discuss June 2009