Discuss September 2009

discuss@lists.centos.org

300 participants
293 discussions

Re: [CentOS] PHP 5.2
by Eduardo Silvestre 12 Oct '09

12 Oct '09

Hello z00dax, any update about this issue? As i can see, in centos 5.3 the version of php still 5.1.6. Did you have any ETA to php 5.2.0 be moved to release repo? I need upgrade to new php version to support "DateTime" function. Regards, --- Eduardo Silvestre nfsi telecom, lda. eduardo.silvestre(a)nfsi.pt Tel. (+351) 21 949 2300 - Fax (+351) 21 949 2301 http://www.nfsi.pt/ ----- Original Message ----- From: "Karanbir Singh" <mail-lists(a)karan.org> To: "CentOS mailing list" <centos(a)centos.org> Sent: Thursday, October 30, 2008 11:20:26 AM GMT +00:00 GMT Britain, Ireland, Portugal Subject: Re: [CentOS] PHP 5.2 Eduardo Silvestre wrote: > Hello guys, > > i need to know where i can find php version 5.2? > At the moment, php-5.2 for CentOS-5 is in the c5-testing repo, soon to be moved into the c5-webstack repo. -- Karanbir Singh : http://www.karan.org/ : 2522219@icq _______________________________________________ CentOS mailing list CentOS(a)centos.org http://lists.centos.org/mailman/listinfo/centos

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steps to add a new physical disk to existing LVM setup in new centos box?
by Jerry Queirolo 09 Oct '09

09 Oct '09

Not a centos specific question here, but if anyone can save me from shooting myself in the foot would appreciate any pointers.... I have an older centos 4.7 box that I recently replaced with a newer one running centos 5.3. I'd like to add the hard disk from the older one to the newer one before I scrap it for good. I don't care about the data on it, would just like the extra drive on the newer one for my home lan usage. The disk layout on the older one is a 2 partition (/boot and /) with / being a logical volume. Laying out what I think I need to do looks like this : 1. yank old drive and cable up to newer system, expecting this 2nd drive to now be /dev/sdb on the new box 2. pvcreate /dev/sdb1 3. vgextend VolGroup00 /dev/sdb1 (VolGroup00 is the volume group name on both system, pretty much default installs in both cases) 3. lvextend -l+100% /dev/VolGroup00 4. resize2fs / The disk in the old system looks like : [root@cow ~]# fdisk -l /dev/hda Disk /dev/hda: 122.9 GB, 122942324736 bytes 255 heads, 63 sectors/track, 14946 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 13 104391 83 Linux /dev/hda2 14 14946 119949322+ 8e Linux LVM [root@cow ~]# fdisk -l -u /dev/hda Disk /dev/hda: 122.9 GB, 122942324736 bytes 255 heads, 63 sectors/track, 14946 cylinders, total 240121728 sectors Units = sectors of 1 * 512 = 512 bytes Device Boot Start End Blocks Id System /dev/hda1 * 63 208844 104391 83 Linux /dev/hda2 208845 240107489 119949322+ 8e Linux LVM [root@cow ~]# pvscan PV /dev/hda2 VG VolGroup00 lvm2 [114.38 GB / 32.00 MB free] Total: 1 [114.38 GB] / in use: 1 [114.38 GB] / in no VG: 0 [0 ] [root@cow ~]# vgscan Reading all physical volumes. This may take a while... Found volume group "VolGroup00" using metadata type lvm2 [root@cow ~]# lvscan ACTIVE '/dev/VolGroup00/LogVol00' [113.84 GB] inherit ACTIVE '/dev/VolGroup00/LogVol01' [512.00 MB] inherit I'm curious if my 1-4 seem sane, or if I'll need to cfdisk and nuke the existing partitions on the disk once in the newer system, or if pvcreate will do what I need. If there is a preferred method to my madness, and you can save me from shooting a hole in my foot, appeciate any comments. Thanks in Advance, Jerry Queirolo

2 2

Web server in a sandbox?
by Anne Wilson 09 Oct '09

09 Oct '09

I'd like to understand better the sysadmin aspects of running a wiki. I don't have, and don't intend to at this stage, a web server, but I do have spare capacity on my LAN server box, where I'd like to install MediaWiki. I found this article: http://docs.fedoraproject.org/documentation-guide/en_US/sn-sandbox-setup.ht… Would it be straightforward to follow those instructions on a CentOS5 box? Anything I should be aware of? Remember that this is a whole new ballgame for me. Is it likely to meet my needs? Any recommended reading that takes it right from step1 - assuming no special knowledge? Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase

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Re: [CentOS] CentOS for non-tech user
by Marcelo M. Garcia 09 Oct '09

09 Oct '09

Sorin Srbu wrote: >> -----Original Message----- >> From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf >> Of Matt >> Sent: Monday, September 28, 2009 11:29 PM >> To: CentOS mailing list >> Subject: Re: [CentOS] CentOS for non-tech user >> >> Thats my thought as well. Ubuntu desktop and CentOS for servers. >> Just wandering if anyone is using the 'Ubuntu Server Edition's'? They >> seem appealing but CentOS is what I am used too on servers now. >> Thought about loading it up on a box to just try though. > > Not using, but I've tried it in a LAMP-configuration couple of years ago. > Stability seems ok, but personally I don't like the sudo this and sudo that > and sudo everywhere. Besides, it felt somehow clunky. CentOS seemed slim, > slick and fast compared at the time, so CentOS is what I got stuck with (in > an endearing sense of course). > > HTH. Hi Sorin You can "sudo bash" and you will have a root terminal. In it, you can set the root password for root. Regards mg.

4 3

OT: What's wrong with RAID5
by Fajar Priyanto 09 Oct '09

09 Oct '09

Hi all, Sorry for the OT. I've got an IBM N3300-A10 NAS. It runs Data Ontap 7.2.5.1. The problem is, from the docs it says that it only supports either RAID-DP or RAID4. What I want to achieve is Max Storage Capacity, so I change it from RAID-DP to RAID4, but with RAID4, the maximum disk in a RAID Group decrease from 14 to 7. In the end, either using RAID-DP or RAID4, the capacity is the same. Now, why RAID5 is not supported? I believe using RAID5, I can get more storage capacity, can't I? I also notice with some onboard RAID controller, they only support either RAID0, RAID1, or RAID1+0. No RAID5. What's wrong with RAID5, is there any technical limitation with RAID5? Thanks.

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CentOS for non-tech user
by Anne Wilson 07 Oct '09

07 Oct '09

I'm thinking of giving CentOS to a non-tech user for her new desktop. He needs are small. She has been used to Mozilla for both mail and browsing, so equivalents there are not a problem. She needs grip and lame, for her mp3s - again no problem. In fact the only problem I can see is that gwenview doesn't appear to have the kipi-plugins. I can see libkipi listed, but no plugins, and a pbone search didn't find it for me. Perhaps it's available from a repo that I don't have? This is the tool of choice for me, for photo-printing. I think I've covered the areas that she's interested in. Can anyone point out any other things I should consider? Once I have the system set up as she needs I shall set up cron jobs to keep her up to date. Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase

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Re: [CentOS] Dualboot CentOS and Windows
by cornel panceac 07 Oct '09

07 Oct '09

2009/9/29 Sorin Srbu <sorin.srbu(a)orgfarm.uu.se> > >-----Original Message----- > >From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On > Behalf > >Of Frank Thommen > >Sent: Tuesday, September 29, 2009 3:27 PM > >To: CentOS mailing list > >Subject: Re: [CentOS] Dualboot CentOS and Windows > > > >> I have to install CentOS on a spare partition of a laptop with > >> Windows pre installed. Is there anything I have to watch out for? > >> Couldn't find anything in the wiki or does the installer handle this > >> well without me doing some magic, or so? > > > >The installer will handle this perfectly if you select the correct > >partition for your CentOS installation :-) > usually, you need at least two partitions: one for / and one for swap. best is to setup first a small /boot partition. i'm sure somewhere there are some docs about it :) > > With that said, make sure you have a backup of the important stuff on the > Windows-partitions. > > -- > /Sorin > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > > -- Linux counter #213090

4 3

CentOS 5.3 LDAP problem.
by Benjamin Donnachie 05 Oct '09

05 Oct '09

I currently have about eight servers running a mixture of CentOS x86_64 v5.2 and v5.3 but none with the very latest updates. They all obtain their authentication information over LDAP and to avoid the starting message bus hang problem[1], nscd is set to soft failure. However, yesterday I set up a new CentOS v5.3 server with the latest updates, but it refuses to get beyond "Starting message bus" if I have ldap as an option in nsswitch.conf. The LDAP server is hosted on two separate machines and this machine has an identical set up to the others - including soft failure in the nscd config. If I remove all references to ldap from nsswitch.conf I can get the machine to boot. I can then add those entries back, start nscd and getent works fine. However, when I start samba it then starts to fail stating that it cannot find a users unix account - which is clearly incorrect! To compound matters, ssh now seems to be locking up; freezing after requesting a password and eventually dropping connection. As I am working off-site for the test of the week I cannot post any further information at the moment, however, I think that the installed kernel had a September 2009 compile date. Does anyone know of any reason why the latest updates could be causing this behaviour? I have been unable to find anything relevant in the list archives or in the forums. I am under pressure to get this server working and I don't want to be forced to install Windows, so any advice would be appreciated. Many thanks, Ben [1] http://bugs.centos.org/view.php?id=2047

4 8

Testing and using a microphone
by Niki Kovacs 04 Oct '09

04 Oct '09

Hi, What's the most simple way to check if my microphone works on a plain CentOS 5.3 desktop? Is there a simple way, for example, to record voice into a simple .wav file? Niki

7 9

Excessive NFS operations
by lhecking＠users.sourceforge.net 03 Oct '09

03 Oct '09

Reading the "waiting IOs" thread made me remember I have a similar problem that has been here for months, and I have no sulution yet. A single CentOS 5.2 x86_64 machine here is overloading our NetApp filer with excessive NFS getattr, lookup and access operations. The weird thing is that the number of these operations increases over time. I have an mrtg graph (which I didn't want to attach here) showing e.g. 200 NFS Ops on Monday, measured with filer-mrtg, going up to, e.g. 1200 in a straight line within days. nfsstat -l on the filer proves beyond doubt that the load is caused by this particular machine. dstat shows me which NFS operations are causing it. date/time | null gatr satr look aces ... 10-09 12:22:52| 0 0 0 0 0 10-09 12:22:53| 0 525 0 602 602 10-09 12:22:54| 0 1275 0 1464 1438 10-09 12:22:55| 0 0 0 0 0 10-09 12:22:56| 0 0 0 0 0 10-09 12:22:57| 0 0 0 0 0 10-09 12:22:58| 0 238 0 270 270 10-09 12:22:59| 0 1461 0 1663 1660 10-09 12:23:00| 0 205 0 133 114 10-09 12:23:01| 0 0 0 0 0 10-09 12:23:02| 0 1 0 0 0 10-09 12:23:03| 0 0 0 0 0 10-09 12:23:04| 0 1411 0 1574 1574 10-09 12:23:05| 0 498 0 465 466 10-09 12:23:06| 0 0 0 0 0 10-09 12:23:07| 0 0 0 0 0 10-09 12:23:08| 0 0 0 0 0 10-09 12:23:09| 0 1082 0 1178 1192 10-09 12:23:10| 0 790 0 885 865 This behaviour is somehow tied to the Gnome desktop. I have other machines running CentOS 5.2 x86_64 (at init level 3) which don't show this behaviour. I also have CentOS 5.2 i386 machines which don't show it either. None of the other machines on the lan show it - RHEL3 32 and 64bit, Solaris. What I'd need is a monitoring tool than can tie the NFS ops to process ids or applications. lsof isn't nearly as helpful here as I thought. I even copied this workstation user's files to another account, logged in and ran the same apps - and couldn't reproduce it. Ideas? Essentially, this makes CentOS 64bit undeployable in our environemnt.

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Discuss September 2009