Discuss March 2011

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286 participants
250 discussions

Epel and yum downgrade : possible ?
by Philippe Naudin 16 Mar '11

16 Mar '11

Hello, Is it possible to downgrade to an old version of a package on epel ? I am in troubles with the new dokuwiki-0-0.6.20101107.a.el5, and cannot find dokuwiki-0-0.4.20091225.c.el5.noarch... Thanks, -- Philippe

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Re: [CentOS] Mumble gamers' VOIP server (murmur)
by Michael Simpson 16 Mar '11

16 Mar '11

On 15 March 2011 19:07, Kenneth Porter <shiva(a)sewingwitch.com> wrote: > > BTW, I found that the initscript included in the Fedora RPM launches the > server as root instead of mumble-server (unprivileged user) and murmur must > drop privs once started. This causes the log file and sqlite DB to be > created owned by root, which causes problems later. The fix is to use the > --user option in the initscript. I need to cut another SRPM to address that. > I suppose that if you are using the default non-privileged port then there is no reason to start as root then drop to mumble-server user. I don't see this behaviour in the mandriva rpm files that i cut out and used. Next stop is getting SELinux to play nicely with it. It is also just another bit of software that i have to track manually though would be much happier to have it in the RPM database as my "check for updates" bookmarked tab group is getting longer and more painful to use. mike

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problems creating read-only, 'consumer' dirsrv replica
by Jon Detert 16 Mar '11

16 Mar '11

Hello, I am trying to deploy an additional read-only replica (aka. 'consumer') in a single-master dirsrv environment. The master, and the other pre-existing consumer servers, are all 'fedora-ds' running on Fedora 7. I'm trying to add a consumer running on Centos 5.5. Ultimately, I intend to replace the Fedora ds servers with Centos dirsrv servers. I'm trying to deploy the Centos dirsrv consumer without running the dirsrv-admin. I've been following the directions at http://docs.redhat.com/docs/en-US/Red_Hat_Directory_Server/8.1/html/Adminis… , specifically in chapter 8. When I get to "8.7.2. Configuring Consumers from the Command Line" ( http://docs.redhat.com/docs/en-US/Red_Hat_Directory_Server/8.1/html/Adminis… ), I run into problems: 1) ldapmodify complains that I'm missing the required attribute 'nsds5replicaId'. So I add it, and guess at the replicaID number (cuz the guide says nothing about the ID). 2) even after resolving issue 1) above, I get an error: "ldap_add: No such object" The return value of the ldapmodify command is 32. The changetype of the operation is 'add', so ldapmodify knows it's trying to add an object. The input I pass to ldapmodify is just like shown in the guide, but w. the addition of the nsds5replicaId attribute mentioned in issue 1) above: dn: cn=replica,cn="dc=infinityhealthcare,dc=com",cn=mapping tree,cn=config changetype: add objectclass: top objectclass: nsds5replica objectclass: extensibleObject cn: replica nsds5replicaroot: dc=infinityhealthcare,dc=com nsds5replicatype: 2 nsDS5ReplicaId: 65535 nsds5ReplicaBindDN: uid=RManager,cn=config nsds5flags: 0 Any idea what's wrong? Do I have to first create dn: cn="dc=infinityhealthcare,dc=com",cn=mapping tree,cn=config ? If so, how? The guide doesn't seem to have a step for that, except for when adding a 'hub' dirsrv. However, I mean to add a 'consumer', not a 'hub'. Thanks, Jon

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install specific version using yum
by Tim Dunphy 16 Mar '11

16 Mar '11

Hello list! I have been instructed to install very specific version numbers of httpd and php on the company web servers. Here's what I've tried so far [root@ec2-50-17-114-126 ~]# yum install php-5.2.17-1.w5.i386 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: yum.singlehop.com * base: mirror.rackspace.com * epel: nas1.itc.virginia.edu * extras: centos.supsec.org * updates: pubmirrors.reflected.net Setting up Install Process No package php-5.2.17-1.w5.i386 available. Error: Nothing to do [root@ec2-50-17-114-126 ~]# yum install php-5.2.17-1.w5 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: yum.singlehop.com * base: mirror.rackspace.com * epel: nas1.itc.virginia.edu * extras: centos.supsec.org * updates: pubmirrors.reflected.net Setting up Install Process No package php-5.2.17-1.w5 available. Error: Nothing to do [root@ec2-50-17-114-126 ~]# yum install php-5.2.17 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * addons: yum.singlehop.com * base: mirror.rackspace.com * epel: nas1.itc.virginia.edu * extras: centos.supsec.org * updates: pubmirrors.reflected.net Setting up Install Process No package php-5.2.17 available. I was wondering if someone would mind sharing the best way to do this? thanks!! tim -- GPG me!! gpg --keyserver pool.sks-keyservers.net --recv-keys F186197B

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Re: [CentOS] Mumble gamers' VOIP server (murmur)
by Michael Simpson 15 Mar '11

15 Mar '11

On 13 March 2011 09:03, Kenneth Porter <shiva(a)sewingwitch.com> wrote: > I found a bug in the RPM: /etc/murmur needs to be owned by > mumble-server.mumble-server so that it can write to its sqlite DB. There is a great write up in the section "tips and tricks" on the mumble website for installing it on CentOS google knows about it it involves using the static build from sourceforge and extracting the conf and init files from the mandriva rpm then adding the necessary group and user works a treat and "free-er" than teamspeak 3 mike

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Swap space for kvm virtual host
by Nataraj 15 Mar '11

15 Mar '11

I have a kvm virtual host running on what will become CentOS 6 with 12GB of memory and a Quad Xeon X5560 2.8Ghz . The store for virtual machines will be a software raid 6 array of 6 disks with an LVM layered on top. I'm not initially planning any major overcommitment of resources, though there could be a need for some overcommitment with a light workload on the guests. In recent years people seem to configure a wide range of different swap allocations. I was thinking initially to spread swap across seperate non-raid partitions on 4 of these disks, but the downside of that is if I put 2gb on each disk, then I can only swap processes that will fit in 2gb swap space. Also, if one of the disks fails, I have to reboot if anything was swapped to that drive. My questions are as follows: 1. What experience are others having with putting swap space on raid partitions? I was thinking about maybe swapping on a raid10 device, otherwise an LVM spanning multiple drives. 2. In practice, what kinds of swap allocation are people finding useful for a kvm virtual host of this size? I definitely don't want a system that is so overcommited that performance is impacted, but if some overcommitment is reasonable for VM's that have light workload, then I consider that. I can increase system resources when that becomes necessary. Nataraj

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Web server becoming unresponsive : high load
by robert mena 15 Mar '11

15 Mar '11

Hi, I have a web server which is randomly becoming unresponsive. I've checked for hardware problems with no luck : - no ethernet errors - no disk errors - no memory errors So far I've managed to point the trouble at the web server since if I restart httpd (apache) it comes back to normal. This is not a shared server so I control (or at least like to think of) what is hosted so I have two suspects: a) my own code is behaving strangely. For example, a php script that in a given situation/parameters increases the usage. b) some sort of attack. Either in conjunction to a or other vulnerability. I am looking for advices in how can I pin point since looking at every line of code would be infeasible. Centos 5.5 / apache / php 5.2.10

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CentOS 5.5 php configure errors
by Ron Young 15 Mar '11

15 Mar '11

I am attempting to install odbtp on my newly created lamp server running CentOS 5.5 and php 5.2.17. The odbtp compile failed looking for lots of zend related files supposedly in the php install dir. I learned from the odbtp project forum that I need to run configure in the php source directory. So I downloaded the php 5.2.17 source and ran ./configure and got these results: root@myserver php-5.2.17]# ./configure ... checking whether to enable LIBXML support... yes checking libxml2 install dir... no checking for xml2-config path... configure: error: xml2-config not found. Please check your libxml2 installation. [root@myserver php-5.2.17]# [root@myserver php-5.2.17]# yum list libxml2 Loaded plugins: fastestmirror, replace Loading mirror speeds from cached hostfile * addons: mirrors.igsobe.com * base: mirror.cogentco.com * epel: mirror.vcu.edu * extras: mirror.ash.fastserv.com * ius: mirror.rackspace.com * updates: mirror.cogentco.com Installed Packages libxml2.i386 2.6.26-2.1.2.8.el5_5.1 installed libxml2.x86_64 2.6.26-2.1.2.8.el5_5.1 installed [root@myserver php-5.2.17]# What am I missing? Suggestions? Regards, Ron Young 919-621-9015 http://www.linkedin.com/in/ronhyoung +++++++++++++++++++ Little tiny dreams require little tiny thoughts and little tiny steps. Great big dreams require great big thoughts and little tiny steps. +++++++++++++++++++

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Re: [CentOS] CentOS Digest, Vol 72, Issue 6
by xcrossbow＠gmail.com 15 Mar '11

15 Mar '11

xxxxxxxxxx

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Re: [CentOS] Server locking up everyday around 3:30 AM
by m.roth＠5-cent.us 14 Mar '11

14 Mar '11

PJ wrote: > This may or may not be CentOS related, but am out of ideas at this point and wanted to bounce this off the list. > > I'm running a CentOS 5.5 server, running the latest kernel > 2.6.18-194.32.1.el5. > > Almost everyday around 3:30 AM the server completely locks up and has to be power cycled before it will come back online. > (this means someone hat to wake up and reboot the server, oh how I love being an internet janitor! :) Please log of the Internet. We are cleaning it. You may log back on later. <snip> > I was able to pull this from /var/log/messages, this happens just seconds before locking up completely... > > Mar 8 03:33:18 web1 kernel: INFO: task wget:13608 blocked for more than 120 seconds. > Mar 8 03:33:19 web1 kernel: "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Mar 8 03:33:19 web1 kernel: wget D ffff810001004420 0 13608 13607 (NOTLB) > Mar 8 03:33:19 web1 kernel: ffff81007bc7bc78 0000000000000086 > ffff81007bc7bd88 ffff81000100d3f8 > Mar 8 03:33:19 web1 kernel: ffff81007bc7bbf0 0000000000000007 > ffff8100849db0c0 ffffffff80308b60 > Mar 8 03:33:19 web1 kernel: 00013a2964cdf439 0000000000003237 > ffff8100849db2a8 0000000064c82eae > Mar 8 03:33:19 web1 kernel: Call Trace: > Mar 8 03:33:20 web1 kernel: [<ffffffff80063c6f>] > __mutex_lock_slowpath+0x60/0x9b <snip> Anyone else smell an OOM killer? But it's clearly whatever the wget's after that's killing the system. mark

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Discuss March 2011