Discuss August 2006

discuss@lists.centos.org

269 participants
332 discussions

Building a live CD and live PXE
by John Newbigin 15 Aug '06

15 Aug '06

I have updated my instructions on how to roll your own CentOS-4 Live CD. I also made a script which does it all for you. I have also got instructions on how to turn the Live CD into a PXE bootable Live version. All the details can be found here: http://www.byteclub.net/wiki/CentOS_Live John. -- John Newbigin Computer Systems Officer Faculty of Information and Communication Technologies Swinburne University of Technology Melbourne, Australia http://www.ict.swin.edu.au/staff/jnewbigin

5 13

RE: [CentOS] XFS and CentOS 4.3
by Kemal Bozdağ 15 Aug '06

15 Aug '06

Hi all, I'm looking turkish knowledge for centos... anybody help me please thank you very much Kemal Bozdağ Devri Alem Turizm Yatırım Danışmanlık A.Ş. Cumhuriyet Cad. No 217 Harbiye 34373 İSTANBUL T 0212 444 83 83 D 0212 368 17 03 F 0212 368 17 19 www.devrialem.com -----Original Message----- From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Johnny Hughes Sent: Tuesday, August 15, 2006 12:18 PM To: CentOS ML Subject: Re: [CentOS] XFS and CentOS 4.3 On Tue, 2006-08-15 at 14:13 +1000, Mark Strong wrote: > Hi All, after looking around for info on XFS(the filesystem) and its use > on CentOS and/or RHEL 4. There seems to be a lot of noise about 4K > Stacks (especially on linux-xfs(a)oss.sgi.com). > > So what is the best way to get XFS working with CentOS 4.3 ? And not > have something like this happening. > > A quote from the xfs list at sgi > >On Tue, 18 Jul 2006 at 10:29am, Andrew Elwell wrote > > > >using the 2.6.9-34 centosplus SMP kernel (3GHz P4 with > >hyperthreading enabled) > > > >what we normally (~once a day) is simply > > > >do_IRQ: stack overflow: 416 > >[<c0107a27>] > > >You don't want to use the XFS in the centosplus kernel. It has major > >known issues with 4K stacks (leading to overflows). Use the > >kernel-module-xfs (or somesuch) RPM instead, and you should have better > >luck. > > Do I need a kernel with 8K stacks? > > and is this > > http://dev.centos.org/centos/4/testing/i386/RPMS/kernel-module-xfs-2.6.9-34… > > the "kernel-module-xfs" RPM he was talking about (or equivalent for > `uname -r` equals 2.6.9-34.ELsmp). > > > Regards > Mark Strong > Personally, I would not use xfs on Linux ... maybe take a look here: http://distrowatch.com/weekly.php?issue=20060814 And see what several debain devel's say about XFS. RedHat says it is not stable enough to use in RHEL. I don't think everyone can be wrong. If you really want to use it, you can use the module you referenced above and our kernel. The standard RHEL kernel will not compile w/ anything except 4k stacks (that is how the CentOS kernel is released too) ... so if you want to do that, you'll need to figure it out.

1 0

Subversion: 400 Bad request error
by Jean Figarella 15 Aug '06

15 Aug '06

Here is my problem, On my network there is a subversion server to which everybody connects to and checks in/out code and documents. The workstations on the network are all based on Fedora core 3. And everybody's home directory is on a nfs share. This nfs share is mounted via the fstab. So no matter to which box a user logs in, his/her home dir is gonna be the same. Again, /home is a nfs mounted dir. Now, if I am on Fedora and I cd into /home/jean/dev/ for exmaple, and then I do svn update everything works fine. But if I do the same on centos 4.3; cd /home/jean/dev and then svn update, it gives me this error: bash-3.00$ cd ~/dev/sysadmin/ bash-3.00$ svn update svn: REPORT request failed on '/svn/code/!svn/vcc/default' svn: REPORT of '/svn/code/!svn/vcc/default': 400 Bad Request (https://subversion) bash-3.00$ bash-3.00$ cd /local/new_dev/sysadmin/ bash-3.00$ svn update At revision 30009. bash-3.00$ As you can see if I am still on centos and I create a /local on the *local drive*, then I can check out code or documents there and do everything else. Again, while I am on the nfs mounted dir it does not works, once I get out of the nfs dir then it works. Authentication is done via NIS, so uid and gid is the same under both distributions and computers. I also checked nfs access permision on the /etc/exports files and both computers or hosts have the same set of permissions. The subversion version on Fedora is 1.2.1 and in centos 4.3 it is 1.1.4. I have already tried upgrading to the same subversion version and to more recent ones, and that did not work. I am thinking that maybe this is not a subversion error because I can sucessfully use it from fedora 3 anf 5, and debian. I think it has to do with CentOS. I was looking to upgrade all of the FC3 boxes in my network to CentOS (about 30 of them), but with this problem Ill have to stick with Fedora. Any ideas? Thanks, Jean

3 4

Video Card Not Recognized Installing CentOS 3.7
by Corwin Burgess 14 Aug '06

14 Aug '06

I set up a new system that includes the following: ASUS AE8N-E Motherboard (NVIDIA nForce 4 Ultra Chipset) AMD Athlon 64 3800+ Processor OCZ PC3200 Gold Edition 1GB Memory EVGA GeForce 6600 PCI-Express x16 Video Card CentOS 3.7 The video card wasn't detected and I had to use the VESA driver (generic) when I installed CentOS 3.7. As this is the first time I've used a NVIDIA video card with Linux my knowledge is nil on this subject. After a quick review of the available video drivers that come with CentOS 3.7 I did a Google search and came up with this link: http://www.nvidia.com/object/linux_display_ia32_1.0-8762.html Linux Display Driver - IA32 Version: 1.0-8762 Operating System: Linux IA32 Release Date: May 22, 2006 I downloaded this driver and attempted to install it. When I run this # sh NVIDIA-Linux-x86-1.0-8762-pkg1.run to install the driver I'm told that I'm running an X server and that I need to exit X before installing the NVIDIA driver. After some experimenting I'm left with two questions: 1. How do I exit the X server to install this video driver? 2. How do I restart the X server when the driver is installed? Any other comments about this subject would be welcome. Thanks, Corwin Burgess

3 5

OT: Gigabit Rated Eth Cables - Cat 6 v. Gigatrue
by Karl Balsmeier 14 Aug '06

14 Aug '06

Hi, In populating our racks with several gigbit switches over the next few days, i'm wondering this: Is it over-engineering to seek out 550mhz rated cables over the typical Cat 6 250mhz rated cables? I've been advised (if you can a salesperson's words advice, heh.) that 250mhz is enough to handle traffic up to 10GB's. Should I just be happy with Cat6 for my GB switches or is is worth getting more into the details and seeking 550mhz-rated cable? Just curious what your experience is in migrating away from the typical 10/100 cables of yore to the spiffier world of gb rated traffic. -karlski __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

3 2

MadWiFi and WPA working only on base kernel, not plus kernel
by Robert Moskowitz 14 Aug '06

14 Aug '06

Interesting situation: First my system - HP NC4010, with Atheros pci mini card. Latest MadWiFi drivers from: http://atrpms.net/dist/el4/madwifi/ and wpa from: http://atrpms.net/dist/el4/wpa_supplicant/ I had just the madwifi working back in Jul at the IETF conference. But as open only. I had upgraded to the plus kernel, thinking it would get my internal SD card reader working (it hasn't but I have to follow up on that multi-drive usb drive thread). Once i upgraded to the plus kernel, kudzu could not see the Atheros card. I put everything on hold, but I had at it today. I discovered that if I boot with the standard kernel, it detects the Atheros card and I even got WPA-PSK working. But I boot with the plus kernel, and kudzu goes and removes the Atheros information from the /etc/sysconfig/hwconf file. So why doesn't the plus kernel, which is suppose to have all the drivers on that the upstream turned off not work with my Atheros card??????

1 0

RE: [CentOS] yum updates
by Bowie Bailey 14 Aug '06

14 Aug '06

Johnny Hughes wrote: > On Tue, 2006-08-08 at 14:42 -0400, Bowie Bailey wrote: > > Johnny Hughes wrote: > > > > > > Yum has no option to install an older file on top of a newer file > > > > > > An update probably installed the 34.0.2.EL-xxxx-devel file ... so 34.0.1 > > > will never install instead of the newer one. > > > > The installed package was older. I have already removed the package > > on the system I was working with, but here is an example from another > > one that is identical except for being x86_64 instead of i686. > > > > # yum info installed kernel-smp-devel > > Installed Packages > > Name : kernel-smp-devel > > Arch : x86_64 > > Version: 2.6.9 > > Release: 34.EL > > Size : 11 M > > Repo : installed > > > > # yum update kernel-smp-devel-2.6.9-34.0.1.EL > > Setting up Update Process > > Setting up repositories > > Reading repository metadata in from local files > > Could not find update match for kernel-smp-devel-2.6.9-34.0.1.EL > > No Packages marked for Update/Obsoletion > > > > I have verified that the package does exist in the repo: > > > > kernel-smp-devel-2.6.9-34.0.1.EL.x86_64.rpm > > > > It looks like a "yum update" will only update to the newest package > > version. > > yum install should install a newer ... but not necessarily the newest > package (I think) :) Based on the example I gave and other testing I have done, I believe that I am correct. I was unable to find any syntax that would let me select a newer-but-not-newest version for an update. -- Bowie

1 0

Several files's checksum change without reason
by kadafax 14 Aug '06

14 Aug '06

Hi list, I'm a bit worried here. On a server, Centos 4.3 fully-patched SELinux activated, Osiris (a decentralized scanner for files changes on distant servers) signaled me several changes on files who were not (at first sight) affected by a recent update (the list is below). Is there a logic explanation for those changes to happen ? The "rpm -Va" command does not output md5sum change for those files. compare time: Sat Aug 12 05:35:14 2006 host: server scan config: server (abcdefg) log file: no log file generated, see system log. base database: 56 compare database: 57 [211][server][cmp][/usr/bin][mtime][Sun Aug 6 04:02:20 2006][Sat Aug 12 04:02:22 2006] [213][server][cmp][/usr/bin][ctime][Sun Aug 6 04:02:20 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/bin/afs5log][checksum][b838bb6106250fdfd95ae8a7dc7fa95b8f762df4][a4c817dd8ca12449dc1a8bdf7f972c19aa3ffd7b] [206][server][cmp][/usr/bin/afs5log][inode][22423][22422] [213][server][cmp][/usr/bin/afs5log][ctime][Thu Jun 29 21:43:54 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/bin/dig][checksum][9d34eb65d61c9f43efc9b6141f727e7fdbb618bf][69d94a240e415b5f22a220fe71dcf865a9a5608c] [206][server][cmp][/usr/bin/dig][inode][25755][25759] [213][server][cmp][/usr/bin/dig][ctime][Thu Jun 29 21:43:48 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/bin/elinks][checksum][a62ab203cc0126aa846419ca25e2e2a6524ab58d][a66553759b6392f20b4f4c61d798585636feea9e] [206][server][cmp][/usr/bin/elinks][inode][26239][25433] [213][server][cmp][/usr/bin/elinks][ctime][Thu Jul 27 04:02:16 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/bin/host][checksum][f6e94925f133d1a9fe088da757ec60b493800adc][c47534726541474f7a1e1b7d23ec41ed44169118] [206][server][cmp][/usr/bin/host][inode][25133][22958] [213][server][cmp][/usr/bin/host][ctime][Thu Jun 29 21:43:51 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/bin/ipmi_ui][checksum][e106a461a907d0dec9f622919ddaed1a84552063][1bb99621c20d3e66f362a355d8d8e09340f748d6] [206][server][cmp][/usr/bin/ipmi_ui][inode][25973][21341] [213][server][cmp][/usr/bin/ipmi_ui][ctime][Thu Jun 29 21:43:53 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/bin/ipmish][checksum][f4f38f1f45f83d057b32deb2dbae9940f9d9dcc0][6e13d56f5457213de8302e08c311badcd49b1e46] [206][server][cmp][/usr/bin/ipmish][inode][25042][25755] [213][server][cmp][/usr/bin/ipmish][ctime][Thu Jun 29 21:43:50 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/bin/nslookup][checksum][7f7087ace44e1d14e984cd367df3b794cc1859a3][655c9d0f1328aa07f45a061825989809ae5b9885] [206][server][cmp][/usr/bin/nslookup][inode][25595][25317] [213][server][cmp][/usr/bin/nslookup][ctime][Thu Jun 29 21:43:51 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/bin/nsupdate][checksum][721695ed63aed8b55d6978b1384a0250d26d4d15][cac7585a8520d619d1a507b160e7a35651db3563] [206][server][cmp][/usr/bin/nsupdate][inode][21341][25780] [213][server][cmp][/usr/bin/nsupdate][ctime][Thu Jun 29 21:43:53 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/bin/openssl][checksum][c728d401456ee2003a329eb74e1ea3f008ddcf17][ddc4e323567fac0696dd9aeacea7402869837ff7] [206][server][cmp][/usr/bin/openssl][inode][22379][22423] [213][server][cmp][/usr/bin/openssl][ctime][Thu Jun 29 21:43:54 2006][Sat Aug 12 04:02:22 2006] [211][server][cmp][/usr/sbin][mtime][Fri Jul 28 12:45:00 2006][Sat Aug 12 04:02:23 2006] [213][server][cmp][/usr/sbin][ctime][Fri Jul 28 12:45:00 2006][Sat Aug 12 04:02:23 2006] [204][server][cmp][/usr/sbin/postalias][checksum][f338a0c58cfe235db579d20bea4326fab24f8cb3][c95b319b6cf1427f6c4bcce2c73d6a616b2df0c9] [206][server][cmp][/usr/sbin/postalias][inode][25433][25404] [213][server][cmp][/usr/sbin/postalias][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/postcat][checksum][fc47304764134988383104ef304f60252dcae749][df49b7fa733d217bb7f0ccec4d7b24b1417f8d21] [206][server][cmp][/usr/sbin/postcat][inode][22626][25579] [213][server][cmp][/usr/sbin/postcat][ctime][Fri Jun 30 03:20:48 2006][Sat Aug 12 04:02:20 2006] [204][server][cmp][/usr/sbin/postconf][checksum][f9d25482431b3a5988e1025bb8abc5033a7517cb][86f6fb5dec3746aa6879a57f1acfac6dac31b85a] [206][server][cmp][/usr/sbin/postconf][inode][25780][25556] [213][server][cmp][/usr/sbin/postconf][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/sbin/postdrop][checksum][6c46e31450d7ac78dce9e840310af5859517eeeb][4409c5e06ec3e9c4e95bbec1ac46e2127cc6e568] [206][server][cmp][/usr/sbin/postdrop][inode][25556][26239] [213][server][cmp][/usr/sbin/postdrop][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/sbin/postkick][checksum][22f2b85a6e64a9828ed2d715464d4252177049f9][174444e88e6a6225a5be5cf91b96a79bffcee751] [206][server][cmp][/usr/sbin/postkick][inode][26373][25973] [213][server][cmp][/usr/sbin/postkick][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/sbin/postlock][checksum][8f294ff26d9ae1cc310c66067eb681fc73d87adc][1615d52feaab658f03ebb2f8b48886998722a478] [206][server][cmp][/usr/sbin/postlock][inode][26379][22379] [213][server][cmp][/usr/sbin/postlock][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/sbin/postlog][checksum][05e084e009f24c6dfec12569fee9c2244495fc0f][39974a2952de785a4eb348c21a01e6caa5c666be] [206][server][cmp][/usr/sbin/postlog][inode][24994][22800] [213][server][cmp][/usr/sbin/postlog][ctime][Fri Jun 30 03:20:50 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/postmap][checksum][61a735999ec1ad6d865fceec01f1c21c78627519][9208a41a41b480664cb0110b945b206b1621fc3d] [206][server][cmp][/usr/sbin/postmap][inode][25404][25310] [213][server][cmp][/usr/sbin/postmap][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/postqueue][checksum][67e91f182df00d3f1f37a6877bb8d82447eeb705][1c8a80fe7622f6ab8d5b80d5758cd478b430ec68] [206][server][cmp][/usr/sbin/postqueue][inode][26375][26254] [213][server][cmp][/usr/sbin/postqueue][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/sbin/postsuper][checksum][c22c5bb67ae4e726632d882ca500890ad517f8fe][0960a054e31de1e43fceb1a90657eb906cf441da] [206][server][cmp][/usr/sbin/postsuper][inode][21335][26257] [213][server][cmp][/usr/sbin/postsuper][ctime][Fri Jun 30 03:20:50 2006][Sat Aug 12 04:02:23 2006] [204][server][cmp][/usr/sbin/rpc.gssd][checksum][00d368ba2e50ccd8e7818b033ecc2e760482fb58][94cd32ba2be8b42250371bb0b320db885d80ec13] [206][server][cmp][/usr/sbin/rpc.gssd][inode][25317][25133] [213][server][cmp][/usr/sbin/rpc.gssd][ctime][Thu Jun 29 21:43:51 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/rpc.idmapd][checksum][c2e1487fa3a2b3c6920113794aa736cda1afbc23][f64318ecfebef5d775817c31f7125cd24e6c18fe] [206][server][cmp][/usr/sbin/rpc.idmapd][inode][26225][21340] [213][server][cmp][/usr/sbin/rpc.idmapd][ctime][Thu Jun 29 21:43:56 2006][Sat Aug 12 04:02:23 2006] [204][server][cmp][/usr/sbin/rpc.svcgssd][checksum][057aba4745e26e079cdcf3e25ff758a8fe8b99ac][6b5dbe025fee9c33e36143d7b77cd53a60395028] [206][server][cmp][/usr/sbin/rpc.svcgssd][inode][26814][25042] [213][server][cmp][/usr/sbin/rpc.svcgssd][ctime][Thu Jun 29 21:43:50 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/saslauthd][checksum][1aa8edafae567d6b6fb14f2eb49cdf4d830ca279][c3ebd0c10c4cfac0e0f85a91c7f679a149057026] [206][server][cmp][/usr/sbin/saslauthd][inode][26815][26256] [213][server][cmp][/usr/sbin/saslauthd][ctime][Thu Jun 29 21:43:51 2006][Sat Aug 12 04:02:22 2006] [204][server][cmp][/usr/sbin/sendmail.postfix][checksum][50825933dd6029af8aa3c3cb7611a6c5e39252bd][33cc264aec19f9fb6386b6addca71e114cea982a] [206][server][cmp][/usr/sbin/sendmail.postfix][inode][22800][25595] [213][server][cmp][/usr/sbin/sendmail.postfix][ctime][Fri Jun 30 03:20:48 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/smtp-sink][checksum][0cf6dac0dcb97d0910e843bf6a58ee8cec5278b1][3c3a2470a467d258e49eb17af3591fa8cbf20fe6] [206][server][cmp][/usr/sbin/smtp-sink][inode][25310][24994] [213][server][cmp][/usr/sbin/smtp-sink][ctime][Fri Jun 30 03:20:49 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/smtp-source][checksum][892d51b76c4685ac3917c0dad1e0a6fe7ce50cd1][46ad415f1b9dbf6d0761c1f22ee8f12a9f153108] [206][server][cmp][/usr/sbin/smtp-source][inode][22958][26253] [213][server][cmp][/usr/sbin/smtp-source][ctime][Fri Jun 30 03:20:48 2006][Sat Aug 12 04:02:21 2006] [204][server][cmp][/usr/sbin/stunnel][checksum][77254c773406659daab7d70cb190a82b3b45d4cd][561ea970463ccc9ef6ef7f78eb26681645c24a31] [206][server][cmp][/usr/sbin/stunnel][inode][21340][21335] [213][server][cmp][/usr/sbin/stunnel][ctime][Thu Jun 29 21:43:56 2006][Sat Aug 12 04:02:23 2006] Change Statistics: ---------------------------------- checksums: 27 SUID files: 0 root-owned files: 29 file permissions: 0 new: 0 missing: 0 total differences: 85 kfx.

3 5

AMD AM2 motherboard with supported SATA chipsets
by Feizhou 14 Aug '06

14 Aug '06

Hello all, Anybody know of any good and reliable AMD AM2 socket motherboards with SATA chipsets that support NCQ such as SIL3124, NForce 570 Ultra and offer six or more SATA channels?

1 0

proftpd problem
by nightrid3r 13 Aug '06

13 Aug '06

i installed proftpd on a fully updated centos 4.3 server. the servers sits on a private lan (192.168.1.*) when trying to acces the ftp (both from inside the lan and from outside trough a nat router) i cannot login port forwarding is ok as i can enteer both username and password error : 530 login incorrect any ideas? thanks

5 4

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Discuss August 2006