Discuss September 2006

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275 participants
362 discussions

vncserver startup issue
by Alex Pilson 02 Sep '06

02 Sep '06

I installed vncserver via yum and when I reboot the server it does not want to start despite being set to start upon boot. Logging in via SSH and then issuing vncserver, I am able to get it running properly. I can't seem to figure this out. Any pointers appreciated. -- <---------------------------------------------------------------> Alex Pilson FlagShip Interactive, Inc. alex(a)flagshipinteractive.com <--------------------------------------------------------------->

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Yum upgrade to 4.4 problem
by Simen Thoresen 02 Sep '06

02 Sep '06

CentOS 4.3 (SMP, x86_64, Athlon64 X2) with all pre-4.4 release updates applied. Since I ran into the Yum issue at the previous upgrade, I first did yum upgrade to get the list of packages (6 to install, 206 to update). I then did yum upgrade yum (which passed without issues) yum upgrade sqlite (which passed without isseus). Fairly certain that yum now works correctly, I wanted to just do another small upgrade before doing the rest, and did yum upgrade samba [root@naboens ~]# yum upgrade samba Setting up Upgrade Process Setting up repositories Reading repository metadata in from local files <no progress> This seemed to hang, and a look at top showed yum consuming more and more memory, the system starting to swap and bog down and then become unresponsive (all swap exhausted, I was not quick enough to kill yum). I was able to reproduce this on a different machine (also x86_64, SMP and Athlon64 X2), so it seems to be an actual problem. As I can play around a bit more on this machine, I tried doing a yum upgrade (without specifying samba) and it behaves the same (ie yum consuming increasing amounts of memory while "Reading repository metadata (etc)". Has anyone else experienced and been able to resolve this? -S -- Simen Thoresen, Dolphin ICS Systems Administration and Wulfkit Support

14 27

Postfix won't relay after update to CentOS 4.4
by Kanwar Ranbir Sandhu 02 Sep '06

02 Sep '06

Hi Everyone, My CentOS 4.4 mail server is having problems sending mail after updating it to 4.4 Before the update, I did not have any problems. My ISP requires that email clients must authenticate to their mail servers before mail can be sent out. I setup smtp auth to get postfix to relay mail through the ISP's mail servers. Here's my config: main.cf -------- relayhost = [smtp.broadband.rogers.com] smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = sasl_passwd --------------- smtp.broadband.rogers.com blah@blah.com:password I've done the usual run through of config files after an update, and made some small changes to main.cf (just added in comments and examples that were in main.cf.rpmnew). When I try to send a message, this is the error I get: F060D1C068: to=<m3freak(a)rogers.com>, relay=smtp-rog.mail.yahoo2.akadns.net[206.190.36.18], delay=1, status=bounced (host smtp-rog.mail.yahoo2.akadns.net[206.190.36.18] said: 530 authentication required - for help go to http://help.yahoo.com/help/us/mail/pop/pop-11.html (in reply to MAIL FROM command)) Just in case the ISP had done something, I manually tested authenticating to the ISP's mail server, and it worked just fine: Connected to smtp.broadband.rogers.com (206.190.36.18). Escape character is '^]'. 220 smtp105.rog.mail.re2.yahoo.com ESMTP ehlo krs 250-smtp105.rog.mail.re2.yahoo.com 250-AUTH LOGIN PLAIN XYMCOOKIE 250-PIPELINING 250 8BITMIME AUTH PLAIN blahblahblahblahblahblahblahblahblah 235 ok, go ahead (#2.0.0) So, the problem is on the Postfix end. I must assume something in the Postfix update broke my setup, but I can't figure out what it is. Has anyone else run into this? Am I missing something obvious? Hints appreciated. Regards, Ranbir -- Kanwar Ranbir Sandhu Linux 2.6.17-1.2142_FC4 i686 GNU/Linux 16:11:07 up 2 days, 9:40, 3 users, load average: 1.06, 0.75, 0.62

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upgrade to 4.4 hangs
by Zube 02 Sep '06

02 Sep '06

Two identical machines, both running CentOS 4.3 plus all the errata. First one: yum update went for a while and hung. At the bottom of the yum.log file was this: Aug 31 06:58:01 Updated: control-center.i386 1:2.8.0-12.rhel4.5 Aug 31 06:58:09 Updated: iiimf-le-unit.i386 1:12.1-13.EL.5 Aug The python process was in the process list, but it was consuming no CPU time. I let it go for a couple of hours, then killed it and played with the duplicate removal script posted previously. Second one: I tried a combination of suggestions previously posted: yum clean all yum update yum sqlite python-sqlite python-urlgrabber python-elementtree yum clean all yum upgrade This also ran for a while and then hung in a similar fashion. The tail of the yum.log is: Aug 31 11:29:08 Updated: at.i386 3.1.8-80_EL4 Aug 31 11:29:09 Updated: samba-client.i386 3.0.10-1.4E.9 Aug 31 11:29:21 Updated: anaconda.i386 10.1.1.46-1.cento Suggestions for future tries on other machines? Thanks much, Zube

4 6

Kind of OT: internal imap server
by Kanwar Ranbir Sandhu 01 Sep '06

01 Sep '06

Hi Everyone, I'm running a Postfix+Dovecot+SpamAssassin box in a DMZ. Everything is honkey dorey. Lately I've been thinking about moving Dovecot (for IMAP) into the internal network - I'd rather not store my mail on the CentOS 4 host in the DMZ. Not having done this before, I'm not quite sure what options I have. Also, I don't know if this is a good idea at all. So: 1. Should I just leave mail storage on the same box in the DMZ? 2. If the answer to 1 is no, what's the best way to get mail from the SMTP server in the DMZ to an IMAP server in the internal network? Here's what I've briefly considered: DMZ Postfix+SpamAssassin -> Internal Postfix+Dovecot DMZ Postfix+SpamAssassin -> Internal Fetchmail+Dovecot 3. Any tutorials for this out there, or even articles, etc., discussing using Postfix as a gateway? So far, I haven't found any that I've liked. Thanks in advance for any help. Regards, Ranbir -- Kanwar Ranbir Sandhu Linux 2.6.17-1.2142_FC4 i686 GNU/Linux 00:49:28 up 2 days, 18:18, 3 users, load average: 0.58, 0.48, 0.29

15 78

4.4 yum update problem
by Les Mikesell 01 Sep '06

01 Sep '06

On one of my machines yum hung up while installing the updates and could not be interrupted or killed. I rebooted the machine the next day, but now a 'yum update' reports: Error: Missing Dependency: openssh = 3.9p1-8.RHEL4.12 is needed by package openssh-askpass-gnome and Error: Missing Dependency: rpm = 4.3.3-13_nonptl is needed by package rpm-build even though rpm -q says those version are installed: #rpm -q rpm openssh rpm-4.3.3-13_nonptl openssh-3.9p1-8.RHEL4.12 Now what? -- Les Mikesell lesmikesell(a)gmail.com

3 4

updating base kernel when plus kernel installed
by Robert Moskowitz 01 Sep '06

01 Sep '06

A while ago I installed 2.6.9-nnnn.plus.c4 (nnnn means version at that time, now at 42.0.2), but I have to boot with the base kernel, as the plus kernel does not seem to work with my Atheros card/drivers. Right now my base kernel is at: 2.6.9-34.0.2.EL and I have this feeling that is quite behind the current rev. I cannot figure out how to get kernel.i686 to upgrade. I can't even seem to get yum or yumex to list the package name for the current kernel rev.

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Dependency failures when updating
by Tom Elsesser 01 Sep '06

01 Sep '06

I am trying to update a centos box with an unsupported kernel (for XFS support): [root@snowybunting /]# uname -a Linux snowybunting.homelinux.net 2.6.9-34.106.unsupportedsmp #1 SMP Sat Mar 18 16:22:41 CST 2006 x86_64 x86_64 x86_64 GNU/Linux To update I did: yum update python-sqlite yum clean all yum update yum yum clean all yum update ..and I get the following > 91 packages excluded due to repository protection <bunch of stuff deleted> > --> Running transaction check > --> Processing Dependency: kernel-ib for package: libibverbs > --> Processing Dependency: kernel-ib for package: libsdp > --> Processing Dependency: kernel-ib for package: dapl > --> Processing Dependency: kernel-ib for package: libmthca > --> Processing Dependency: kernel-ib for package: librdmacm > --> Finished Dependency Resolution > Error: Missing Dependency: kernel-ib is needed by package libibverbs > Error: Missing Dependency: kernel-ib is needed by package libsdp > Error: Missing Dependency: kernel-ib is needed by package dapl > Error: Missing Dependency: kernel-ib is needed by package libmthca > Error: Missing Dependency: kernel-ib is needed by package librdmacm I unprotected the repositories in /etc/yum.repo.d, then reran: yum update ...and I get the same missing dependencies errors. I don't know if I have too many things going on at once with the unsupported kernel and updating the whole base, but as of now I'm kind of stuck. Any thoughts? -- Tom Elsesser

3 3

kernel 2.6.9-42 is faster
by Jerry Geis 01 Sep '06

01 Sep '06

Gents, Under 4.3 and the associated kernel it took 17 seconds to recompile my entire application on my amd 4800+ X2. Down from 1 minute and 20 seconds on my old platform. I just tried under the new 2.6.9-42 kernel and it is 15 seconds. So that modification to the kernel for disk improvement seemed to help my compile time... Just sharing... Great work on 4.4. Jerry

8 15

4.3 to 4.4 and Yum and Upgrade vs. Update
by John Hinton 01 Sep '06

01 Sep '06

I'm wondering about yum update vs. yum upgrade. The man page says use upgrade (actually the obsoletes flag which is set in upgrade and not update) when doing something like a linux 8.0 to linux 9 upgrade. Something we can't do with CentOS, i.e. 3 to 4. So, is it better to use update or upgrade when going from 4.3 to 4.4? Doesn't RedHat call these "Quarterly Updates" and not "Quarterly Upgrades"? And, it seems that the folks having trouble were doing yum upgrade. I'm wondering if anyone is experiencing the same difficulties when doing yum update? And --obsoletes.... seems like the man page for yum really doesn't say much about what this actually does.. but it sounds like something I don't want to use... sounds like it leaves obsoletes laying around? from man page "upgrade Is the same as the update command with the --obsoletes flag set." "If the --obsoletes flag is present yum will include package obsoletes in its calculations - this makes it better for distro-version changes, for example: upgrading from somelinux 8.0 to somelinux 9." " yum list obsoletes [regexp1] [...] List the packages installed on the system that are obsoleted by packages in any yum repository listed in the config file." Could this be what's causing the conflicts with sqlite? And if update vs. upgrade doesn't make any difference (from my first question).. Has a 'clear' direction for painless updating emerged? Best, John Hinton

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Discuss September 2006