Discuss December 2011

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207 participants
174 discussions

yum update fails on perl dependancy
by Ljubomir Ljubojevic 20 Dec '11

20 Dec '11

I finally started yum upgrade for CentOS 6.0+CR x86_64. yum reports that I have already installed perl-5.10.1-119.el6_1.1, but perl-CGI requests for perl-5.10.1-119.el6 from ISO/base repo. Can someone advise on the best course of action? Logical would be to downgrade perl to the one from ISO file. -- Ljubomir Ljubojevic (Love is in the Air) PL Computers Serbia, Europe Google is the Mother, Google is the Father, and traceroute is your trusty Spiderman... StarOS, Mikrotik and CentOS/RHEL/Linux consultant

4 6

Upgrade frim 6.0 to 6.1 crashes on x3850
by Thomas Rønshof 20 Dec '11

20 Dec '11

Hi, After yum update on a Cent OS 6.0 IBM x3850 server to Cent OS 6.1, the kernel crashes on boot. I have googlet a little, and find that others have the same problem and there seems not to be a solution yet. The kernel that crashes is 2.6.32-131.21.1.el6.x86_64. If i boot the prior kernel 2.6.32-71.29.1.el6.x86_64 instead it works! Is it advisable to run the server with kernel 2.6.32-71.29.1.el6.x86_64 on a Cent OS 6.1 system ? And what is the problem ? Is it Cent OS / Redhat or IBM ? -- Med venlig hilsen / Best Regards Thomas Rønshof Tel: +45 44923626 / 39551529 Mobil: +45 40575588 Mail: tr(a)kyborg.dk <mailto:tr@kyborg.dk> Web: www.kyborg.dk <http://www.kyborg.dk>

2 1

odd mdadm behavior
by aurfalien＠gmail.com 20 Dec '11

20 Dec '11

Allo esteemed Centos-ers, Noticed something funny with an mdadm mirror based raid the other day. So I had a system disk set to mirror via mdadm. One of the disks went south at a remote office and since there was no one available to swap out the disk, I thought to leave it for later. Well, due to work being what is it, this later became a year. During one of the servers many reboots, much of the data on the system went missing. The logs even showed a gap from the day the disk went bad to the day this reboot occurred. So picture a gap in the logs of about a year or so. I first suspected foul play but soon discovered that the previous bad disk in the mirror became functional again and that its data basically put the server back to the time period being a year ago or so. Not a big deal as I do 2 types of backups every day so recovery was fine. Has any one seen this before and what could I have done to prevent this? Thanks in advance, - aurf

4 6

Squid to Cache RPMs from yum (was: forcing yum ...)
by Alan McKay 19 Dec '11

19 Dec '11

> > The default config won't cache large files. And yum will try to use > different mirrors every time. > > Aha. I thought I had it set for no file limit, but I guess using different mirrors is what is confounding me. So squid will cache a specific file from a specific site, I guess? And even if it tries to get the exact same file elsewhere, it will re-download it afresh? -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

2 3

forcing yum to download but not install
by Alan McKay 19 Dec '11

19 Dec '11

Hey folks, Is there any way to fake a "yum update" just to get yum to force a download of all the files it needs, without actually installing them. I finally have a RPM cache/proxy working and I just want to populate it. The server I want to actually update cannot be updated until tomorrow but I'd like to do a fake update just to force the RPMs into my cache so they will all be pre-downloaded. I don't see anyway from the man page to do this. thanks, -Alan -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

8 23

Question on httpd
by Jerry Geis 19 Dec '11

19 Dec '11

I have been requested to ensure the httpd on a server is version 2.2.21 or later. How do I verify that? On CentOS 5.7 x86_64 it says its version 2.2.3-53. is that equivalent to 2.2.21 in RedHat land with the way they do versions? Thanks. Jerry

2 1

Backup Redux
by Alan McKay 19 Dec '11

19 Dec '11

Hey folks, I just went through the archives to see what people are doing for backups, and here is what I found : - amanda - bacula - BackupPC - FreeNAS Here is my situation : we have pretty much all Sun hardware with a Sun StorageTek SL24 tape unit backing it all up. OSes are a combination of RHEL and CentOS. The software we are using is EMC NetWorker Management Console version 3.5.1.Build.269 based on NetWorker version 7.5.1.Build.269 The pickle we are in right now is that this software is Java based, and stops working at a very specific release of JRE (1.6.26 or something like that). We still have some machines around with that release and it looks like we need to keep at least 1 of them, but this is clearly not a long term viable solution. In the end I want to get our central IT group to take over our backups if possible (we are a bit of an island outside of central IT), but as I pursue that path I also want to pursue a 2ndary path assuming they will say "no". I am familiar with BackupPC and will look at the other recommendations above. I think that Bacula and Amanda are sort of the drop-in replacements for what we have now so I'll look at them most closely. But if I do have to carry forward with our own backups I'd ideally like to get out of the tape game - never liked tapes. Anyway, since the last big backup discussion was over a year ago I figured I'd kick off another one to see if anything new has come up in the mean time. What are the current recommendations? cheers, -Alan -- “Don't eat anything you've ever seen advertised on TV” - Michael Pollan, author of "In Defense of Food"

13 33

Séverine LOMBARDO/AC060/REC est absent(e).
by Séverine LOMBARDO 19 Dec '11

19 Dec '11

Je serai absent(e) à partir du 19/12/2011 de retour le 30/12/2011. Je répondrai à votre message dès mon retour.

1 0

Atheros ar9485 Wireless drivers??
by Phil Savoie 19 Dec '11

19 Dec '11

Hi All, Anyone know of where I can find drivers for this interface? I thought elrepo but I don't think so after looking. Thank you, Phil

2 2

6.x - find interface with link up
by Les Mikesell 19 Dec '11

19 Dec '11

In earlier versions 'mii-tool' would iterate over interfaces and show which have link up. In 6.x it wants an interface as a parameter. What is the appropriate way to find which of some number of of interfaces are connected? Better yet, what is the least typing to get the mac addresses of those interfaces? -- Les Mikesell lesmikesell(a)gmail.com

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Discuss December 2011