Discuss July 2008

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347 participants
435 discussions

X-Windows Login
by Al Sparks 30 Jul '08

30 Jul '08

I have a server with all the x-windows stuff installed. But it's giving me a text based login prompt on the console. I can log onto the console, and run gnome-session and GNOME comes up fine. How do I turn it on so that I get a X-Window GUI login prompt? === Al

2 1

Duplicate PV on HW RAID?
by Eduardo Grosclaude 29 Jul '08

29 Jul '08

Hello, My "hardware" (?) RAID system seems to work but says "duplicate PV" while booting, I don't think I was reading them before. Any clues will be appreciated. >From what I recall: 1) RAID 1 was setup (using firmware setup program) on a machine with Intel S3200 SHV Server Board. 2) Installed Centos 5.1, default LVM style. Anaconda saw a single 500GB disk so I assumed this was a true hardware RAID system. Am I wrong here? 3) Then wanted to reduce LogVol00 so as to make room for a new, data only filesystem on its own LV. Started by booting with rescue CD, lvscanned the disk, lvchanged -a y. Intended to resize root filesystem with resize2fs. Was asked to fsck, which I did (by the way, getting many errors). Fixed them all (fingers crossed), fsck again said ok. Then resize2fs worked happily. 4) Rebooted the installed system. Now "Duplicate PV" shows at boot. Honestly I don't know whether this was being displayed before (this is an inherited server). This message shows at the screen but no record of it is kept on any log file. 5) Everything seems to work well anyway. I created a new LV as I wished, just this message keeps me thinking... Should I care? Should I fix it? Is it a true RAID board? Should I be better off going software-RAID 1? lspci says 00:00.0 Host bridge: Intel Corporation Server DRAM Controller 00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02) 00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02) 00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02) 00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92) 00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02) 00:1f.2 RAID bus controller: Intel Corporation 82801 SATA RAID Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02) 02:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G200e [Pilot] ServerEngines (SEP1) (rev 02) 03:01.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet Controller (rev 05) 03:02.0 Ethernet controller: Intel Corporation 82541GI Gigabit Ethernet Controller (rev 05) Thank you in advance -- Eduardo Grosclaude Universidad Nacional del Comahue Neuquen, Argentina

8 21

Hardware serial number access from (a) command(s)
by MHR 29 Jul '08

29 Jul '08

Over the weekend, I had to make a technical support call on one of my DVD burners, and at one point the recorded message mentioned I should have my serial number handy. I thought there was a way to read that from at least one piece of software on the system, but I couldn't remember one and man -k on a number of subjects was unrevealing. Can someone enlighten me (us)? Thanks. mhr

11 34

Centos 5.0 package updater asking me to update more than I installed
by Mark Walker 29 Jul '08

29 Jul '08

Is this the standard behavior? Is there a way to only update the packages I installed without deselecting the ones I don't want? Thanks.

6 7

Migrating RHEL 3 to Centos 5.2 - has Adaptec 2400a RAID
by Ed Westphal 29 Jul '08

29 Jul '08

Greetings all. I'm new to the mailing list. Hope to get to know many of you. I'll jump right in with a recent project. I have a machine with RHEL WS 3 - Taroon; plus dual boot to Win 2000 Pro. The RAID card is Adaptec's 2400A w/128 megs cache, running RAID 10 on 4 WD's. I want to migrate to 5.2 Centos and wipe the NTFS partition. I have the 5.2 Centos DVD. Anyone see any problems, special preparation needed, whatever, to accomplish the migration? The RAID uses dpt_i2o drivers. The NVidia card can get drivers from their website, if need be to support full functionality. Please advise with any cautions, considerations, you may care to give. Thanks in advance. Ed Westphal

5 5

nss_ldap 5.2 update question
by David Halik 29 Jul '08

29 Jul '08

Hi all, I was just wondering when this update will trickle down into the Centos repo: http://rhn.redhat.com/errata/RHBA-2008-0611.html Obviously, it just came out yesterday, so I'm not expecting it to suddenly appear. ;) Just curious what the turn around time usually is for RHEL bug fixes that get released and when we should expect it. As a side note, does anyone know if there is a way to get a hold of an update like this without having support access to the RHN? I'm guessing I just have to wait for a Centos release. Thanks! -Dave -- ================================ David Halik System Administrator OIT-CSS Rutgers University dhalik(a)jla.rutgers.edu ================================

4 7

securing rsync over ssh
by Kai Schaetzl 29 Jul '08

29 Jul '08

I want to secure some remote rsyncs over ssh by using the command= option in .authorized_keys. As I understand I can use only the full command there, as it is not a list of "allowed commands" but the command that will be executed when logging in with this key. Now, I'm running several rsync commands on individual directories in the root, not just one command. I do that to pull different exclude lists in. I want to exclude nothing in some directories and a few different things in other directories. rsyncing per /rooted directory seems to be the cleanest and easiest way. All other combinations of complicated exclude/include lists may have unexpected results. I thought about putting the remote command in a shell script. However, I think this won't work as each rsync on the remote side will be executed with the first rsync command in the script on the local side. Is there a solution (besides using several keys or so)? Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive Internet Services: http://www.conactive.com

3 4

Does sprof work on CentOS5?
by Hywel Richards 29 Jul '08

29 Jul '08

No matter how I try, I can't seem to get a library profile from sprof on CentOS5. Does anyone know if sprof actually works on CentOS5? I'd be very interested to hear if anyone is using it successfully. At the moment I'm trying something like this to get the dump: LD_LIBRARY_PATH=. LD_PROFILE=libmy.so ./mymain where libmy.so is the library I want to profile, and mymain is the executable which links to it. This appears to create the profile dump successfully (which appears at /var/tmp/libmy.so.profile), but when I try to get a readable profile using sprof it fails: $ sprof libmy.so /var/tmp/libmy.so.profile sprof: failed to load shared object `libmy.so' I have a CentOS4 machine here, and doing the above on that works fine, but I've had no luck at all on CentOS5 (all currently up-to-date). Can anyone help? (Please!)

4 9

Samba, SELinux and system created directories
by Mike 29 Jul '08

29 Jul '08

Does anybody know what 'setsebool -P samba_export_all_rw on' is actually supposed to do? I'm trying to share /tmp via samba and am seeing the same results with samba_export_all_rw set to on or off. Maybe I'm misunderstanding what this is intended to do but from windows I cannot see files in /tmp with 'tmp_t' security context (as shown by ls -lZ /tmp). I do see those with 'smbd_tmp_t' which are files placed there from windows via samba. I assumed that this boolean, when on, would allow samba to see files in /tmp regardless of security context. I did try 'touch /.autorelabel' and rebooting, still no dice. >From /etc/samba/smb.conf: # If you need to share a system created directory you can use one of the # following (read-only/read-write): # setsebool -P samba_export_all_ro on # or # setsebool -P samba_export_all_rw on

1 0

/etc/hosts missing localhost?
by Bill Campbell 29 Jul '08

29 Jul '08

Is there any reason why /etc/hosts would be missing the line, 127.0.0.1 localhost? I just spent an hour trying to figure out why I could not connect to postgresql using ``psql -h ...'', finally figuring out that the /etc/hosts file was the problem. 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 To say that UNIX is doomed is pretty rabid, OS/2 will certainly play a role, but you don't build a hundred million instructions per second multiprocessor micro and then try to run it on OS/2. I mean, get serious. -- William Zachmann, International Data Corp

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Discuss July 2008