Re: [CentOS-docs] Add pool.ntp.org to TipsAndTricks/Server_Time
On 02/03/2010 02:12, Manuel Wolfshant wrote: Centos ships with server 0.centos.pool.ntp.org server 1.centos.pool.ntp.org server 2.centos.pool.ntp.org I just want to add something that people know they can choose something different. Maybe we can just change the script to be 0.centos.pool.ntp.org and promote CentOS a little ;) -- Hoffmann Geerd-Dietger http://contact.ribalba.de ___ CentOS-docs mailing list CentOS-docs@centos.org http://lists.centos.org/mailman/listinfo/centos-docs
[CentOS-announce] CESA-2010:0109 Moderate CentOS 5 i386 mysql Update
CentOS Errata and Security Advisory 2010:0109 Moderate
Upstream details at : http://rhn.redhat.com/errata/RHSA-2010-0109.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( md5sum Filename )
i386:
37200089252dddfb4a98ed63c2d50cbc mysql-5.0.77-4.el5_4.2.i386.rpm
bc12d83158cecdbd67370b187a4422db mysql-bench-5.0.77-4.el5_4.2.i386.rpm
92123a9b03b1b46ada811bc9ad880cf2 mysql-devel-5.0.77-4.el5_4.2.i386.rpm
d17190eb584546cd6619212007f0a4b6 mysql-server-5.0.77-4.el5_4.2.i386.rpm
9995578eb7a594110e7acaadd60702c9 mysql-test-5.0.77-4.el5_4.2.i386.rpm
Source:
a4e45550d082ec47db11f4abb02359b5 mysql-5.0.77-4.el5_4.2.src.rpm
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[CentOS-announce] CESA-2010:0109 Moderate CentOS 5 x86_64 mysql Update
CentOS Errata and Security Advisory 2010:0109 Moderate
Upstream details at : http://rhn.redhat.com/errata/RHSA-2010-0109.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( md5sum Filename )
x86_64:
d3793de989c2bb288faf17fbe0b17131 mysql-5.0.77-4.el5_4.2.i386.rpm
8f2e404cb17cac0b712b73e9d5519487 mysql-5.0.77-4.el5_4.2.x86_64.rpm
0402f2b2fed77e2cb538194fba693494 mysql-bench-5.0.77-4.el5_4.2.x86_64.rpm
993ee197369a1c277e238d61b4ea03d6 mysql-devel-5.0.77-4.el5_4.2.i386.rpm
89246a1a1fd6b6bd85c58bed28576e50 mysql-devel-5.0.77-4.el5_4.2.x86_64.rpm
be976f972a100f1a1edf6e8cd490d9e6 mysql-server-5.0.77-4.el5_4.2.x86_64.rpm
e45474e49ff5d82c444bd9227459ef9d mysql-test-5.0.77-4.el5_4.2.x86_64.rpm
Source:
a4e45550d082ec47db11f4abb02359b5 mysql-5.0.77-4.el5_4.2.src.rpm
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[CentOS-announce] CEBA-2010:0120 CentOS 5 x86_64 coreutils Update
CentOS Errata and Bugfix Advisory 2010:0120
Upstream details at : http://rhn.redhat.com/errata/RHBA-2010-0120.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( md5sum Filename )
x86_64:
1418e58a625b44e6c0e8fb138bf6eef1 coreutils-5.97-23.el5_4.2.x86_64.rpm
Source:
e9e6230d000ed3240098a70bee60766d coreutils-5.97-23.el5_4.2.src.rpm
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[CentOS-announce] CESA-2010:0122 Important CentOS 5 i386 sudo Update
CentOS Errata and Security Advisory 2010:0122 Important
Upstream details at : http://rhn.redhat.com/errata/RHSA-2010-0122.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( md5sum Filename )
i386:
c760d9da66c8825fe94b0958c98be0ea sudo-1.6.9p17-6.el5_4.i386.rpm
Source:
109d346f119c6a504c0638db5f38d820 sudo-1.6.9p17-6.el5_4.src.rpm
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[CentOS-announce] CESA-2010:0122 Important CentOS 5 x86_64 sudo Update
CentOS Errata and Security Advisory 2010:0122 Important
Upstream details at : http://rhn.redhat.com/errata/RHSA-2010-0122.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( md5sum Filename )
x86_64:
5ec7cad7ac4c177f604adabf429244f5 sudo-1.6.9p17-6.el5_4.x86_64.rpm
Source:
109d346f119c6a504c0638db5f38d820 sudo-1.6.9p17-6.el5_4.src.rpm
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[CentOS-announce] CEBA-2010:0123 CentOS 5 i386 openssh Update
CentOS Errata and Bugfix Advisory 2010:0123
Upstream details at : http://rhn.redhat.com/errata/RHBA-2010-0123.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( md5sum Filename )
i386:
45a610f4ff79acfdccf940120e275725 openssh-4.3p2-36.el5_4.4.i386.rpm
974946f28f44aecee2055e465baf9b96 openssh-askpass-4.3p2-36.el5_4.4.i386.rpm
accbb30a910ac0e0acc31d4020844d4a openssh-clients-4.3p2-36.el5_4.4.i386.rpm
ee013485c4b2054ee07051070271d174 openssh-server-4.3p2-36.el5_4.4.i386.rpm
Source:
cbed3dbf77367e05b8a36572a1b5da2d openssh-4.3p2-36.el5_4.4.src.rpm
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[CentOS-announce] CEBA-2010:0123 CentOS 5 x86_64 openssh Update
CentOS Errata and Bugfix Advisory 2010:0123
Upstream details at : http://rhn.redhat.com/errata/RHBA-2010-0123.html
The following updated files have been uploaded and are currently
syncing to the mirrors: ( md5sum Filename )
x86_64:
b92c67022b35b3157d83d61d6005de52 openssh-4.3p2-36.el5_4.4.x86_64.rpm
beedfdff6acb05c267b0ed5865fe83b6 openssh-askpass-4.3p2-36.el5_4.4.x86_64.rpm
323bcbc172aaa184be6a09b74fbbf2f8 openssh-clients-4.3p2-36.el5_4.4.x86_64.rpm
233dd72de0be0ac455c00523e7ed218b openssh-server-4.3p2-36.el5_4.4.x86_64.rpm
Source:
cbed3dbf77367e05b8a36572a1b5da2d openssh-4.3p2-36.el5_4.4.src.rpm
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[CentOS-virt] Introducing ConVirt 2.0
Hi We are very pleased to introduce ConVirt 2.0 – the next major step up in open source virtualization management. The ConVirt 2.0 generation combines a flexible, open architecture, the highest level of management capabilities, and the industry’s most flexible pricing model. Built on a brand-new, 3-tier architecture, ConVirt 2.0 includes a highly interactive, web-based user interface, a new data repository, advanced automation, enterprise scalability, multi-user administration, a full suite of integration capabilities, and much more. http://www.convirture.com/blog/2010/announcements/introducing-convirt-2-0/ - ConVirt Team ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
[CentOS-virt] Thoughts on storage infrastructure for small scale HA virtual machine deployments
Hi, up until now I've always deployed VMs with their storage located directly on the host system but as the number of VMs grows and the hardware becomes more powerful and can handle more virtual machines I'm concerned about a failure of the host taking down too many VMs in one go. As a result I'm now looking at moving to an infrastructure that uses shared storage instead so I can live-migrate VMs or restart them quickly on another host if the one they are running on dies. The problem is that I'm not sure how to go about this bandwidth-wise. What I'm aiming for as a starting point is a 3-4 host cluster with about 10 VMs on each host and a 2 system DRBD based cluster as a redundant storage backend. The question that bugs me is how I can get enough bandwidth between the hosts and the storage to provide the VMs with reasonable I/O performance. If all the 40 VMs start copying files at the same time that would mean that the bandwidth share for each VM would be tiny. Granted this is a worst case scenario and that's why I want to ask if someone in here has experience with such a setup, can give recommendations or comment on alternative setups? Would I maybe get away with 4 bonded gbit ethernet ports? Would I require fiber channel or 10gbit infrastructure? Regards, Dennis PS: The sheepdog project (http://www.osrg.net/sheepdog/) looks interesting in that regard but apparently still is far from production-ready. ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
Re: [CentOS-virt] Thoughts on storage infrastructure for small scale HA virtual machine deployments
- Dennis J. denni...@conversis.de wrote: What I'm aiming for as a starting point is a 3-4 host cluster with about 10 VMs on each host and a 2 system DRBD based cluster as a redundant storage backend. That's a good idea. The question that bugs me is how I can get enough bandwidth between the hosts and the storage to provide the VMs with reasonable I/O performance. You may also want to investigate whether or not a criss-cross replication setup (1A-2a, 2B-1b) is worth the complexity to you. That will spread the load across two drbd hosts and give you approximately the same fault tolerance at a slightly higher risk. (This is assuming that risk-performance tradeoff is important enough to your project.) If all the 40 VMs start copying files at the same time that would mean that the bandwidth share for each VM would be tiny. Would they? It's a possibility, and fun to think about, but what are the chances? You will usually run into this with backups, cron, and other scheduled [non-business load] tasks. These are far cheaper to fix with manually adjusting schedules than any other way, unless you are rolling in dough. Would I maybe get away with 4 bonded gbit ethernet ports? Would I require fiber channel or 10gbit infrastructure? Fuck FC, unless you want to get some out of date, used, gently broken, or no-name stuff, or at least until FCoE comes out. (You're probably better off getting unmanaged IB switches and using iSER.) Can't say if 10GbE would even be enough, but it's probably overkill. Just add up the PCI(-whatever) bus speeds of your hosts, benchmark your current load or realistically estimate what sort of 95th percentile loads you would have across the board, multiply by that percentage, and fudge that result for SLAs and whatnot. Maybe go ahead and do some FMEA and see if losing a host or two is going to peak the others over that bandwidth. If you find that 10GbE may be necessary, a lot of mobos and SuperMicro have a better price per port for DDR IB (maybe QDR now) and that may save you some money. Again, probably overkill. Check your math. :) Definitely use bonding. Definitely make sure you aren't going to saturate the bus that card (or cards, if you are worried about losing an entire adapter) is plugged into. If you're paranoid, get switches that can do bonding across supervisors or across physical fixed configuration switches. If you can't afford those, you may want to opt for 2Nx2N bonding-bridging. That would limit you to probably two 4-1GbE cards per host, just for your SAN, but that's probably plenty. Don't waste your money on iSCSI adapters. Just get ones with TOEs. -- Christopher G. Stach II http://ldsys.net/~cgs/ ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
Re: [CentOS-es] Pregunta de copias de seguridad
Disvish quizas? lo encuentro bastante sencillo y con soporte para conectarse via ssh si fuera preciso... http://www.dirvish.org/ Un how to bastante completito en: http://wiki.edseek.com/howto:dirvish El 27 de febrero de 2010 22:13, Raul Arboleda raularbol...@une.net.coescribió: Hola amigos tengo la siguiente inquietud, cuando he trabajado con servidores SCO usaba para generar copia de un servidor a otro algo asi: Shell Copiau Cd /u Find . | cpio –ov | rcmd equi_remoto “cd /u; cpio –imuc” Esto me genera una copia exacta del /u a la maquina remota en el directorio /u En Linux lo he estado haciendo cn scp pero cuando lo hago me pregunta contraseña, alguno sabe como obviar esto. Además he escuchado algo de bacula, me podrían decir si es bueno para copias o alguno usa algo mas confiable y sencillo. Saludos Raúl Eduardo Arboleda Zapata Ingeniero de Sistemas Unninca Cel +573 300 620 66 13 +573 312 288 90 86 Medellín, Antioquia Colombia, S.A. ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es -- ___ REPARACIONONLINE GARANTIA PARA SU PC ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es
Re: [CentOS-es] Pregunta de copias de seguridad
Bacula es excelente. El 1 de marzo de 2010 05:57, victor santana reparaciononl...@gmail.comescribió: Disvish quizas? lo encuentro bastante sencillo y con soporte para conectarse via ssh si fuera preciso... http://www.dirvish.org/ Un how to bastante completito en: http://wiki.edseek.com/howto:dirvish El 27 de febrero de 2010 22:13, Raul Arboleda raularbol...@une.net.coescribió: Hola amigos tengo la siguiente inquietud, cuando he trabajado con servidores SCO usaba para generar copia de un servidor a otro algo asi: Shell Copiau Cd /u Find . | cpio –ov | rcmd equi_remoto “cd /u; cpio –imuc” Esto me genera una copia exacta del /u a la maquina remota en el directorio /u En Linux lo he estado haciendo cn scp pero cuando lo hago me pregunta contraseña, alguno sabe como obviar esto. Además he escuchado algo de bacula, me podrían decir si es bueno para copias o alguno usa algo mas confiable y sencillo. Saludos Raúl Eduardo Arboleda Zapata Ingeniero de Sistemas Unninca Cel +573 300 620 66 13 +573 312 288 90 86 Medellín, Antioquia Colombia, S.A. ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es -- ___ REPARACIONONLINE GARANTIA PARA SU PC ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es -- Carlos Restrepo M. Administrador de Sistemas Profesional Linux LPI 101 - 102 ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es
[CentOS-es] LVM
Hola amigos, necesito conocer que tiene de malo el uso de LVM. saludos -- Ing. Walvis Acosta Dpto. Técnico IQ-Tech Telef: (02) 2594943 ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es
Re: [CentOS-es] LVM
No creo que tenga algo de malo, al contrario, tiene mas beneficios que el particionado estándar Enviado desde mi dispositivo movil BlackBerry® de Digitel. -Original Message- From: Walvis AM walvi...@gmail.com Date: Mon, 1 Mar 2010 17:45:19 To: centos-es@centos.org Subject: [CentOS-es] LVM ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es ___ CentOS-es mailing list CentOS-es@centos.org http://lists.centos.org/mailman/listinfo/centos-es
Re: [CentOS] Backuppc-updates on CentOS
-Original Message- From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf Of Les Mikesell Sent: Friday, February 26, 2010 5:53 PM To: centos@centos.org Subject: Re: [CentOS] Backuppc-updates on CentOS All repositories are hard to use with other repositories. Yum doesn't pay attention to repo tags, so all they do is help point out problems after the fact. I think it was a dumb decision for epel to not use tags but it is worse that yum doesn't track where it got things. For packages you haven't installed yet, 'yum info packagename' will show the repository location(s). As an example of things that go wrong, on one machine I have subversion and viewvc from rpmforge (to get a version that is not ancient), but epel's build number for viewvc is higher and the rpmforge/epel versions land in different places and are incompatible. So, with my usual practice of leaving epel enabled during updates, I pick up epel's newer-numbered package which overwrites some of the rpmforge version and keeps some, leaving it very broken. But fortunately it's a standalone package and not to hard to fix by removing the one you don't want and re-installing with the right combination of enablerepo= and disablerepo= on the yum command line. When this happens to things with a lot of dependencies it is a real mess. I think I get the general gist of it. Thanks all who put me on the right path! -- /Sorin smime.p7s Description: S/MIME cryptographic signature ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] emergency! linux kickstart pxe boot needed
Benjamin Donnachie a écrit : On 28 Feb 2010, at 16:51, Alan McKay alan.mc...@gmail.com wrote: I'm at colocaiton in the middle of a big rebuild and it seems I have a faulty CD rom in the server that I need to put Centos on via Kickstart. Had a similar problem and easiest solution in the end was to buy a USB CD drive from local computer store. Good luck! Ben ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Try to install CentOS via a Pendrive ;) -- Cordialement, / Greetings, Georghy FUSCO ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] emergency! linux kickstart pxe boot needed
2010/3/1 Georghy fu...@wanagain.net: Benjamin Donnachie a écrit : On 28 Feb 2010, at 16:51, Alan McKay alan.mc...@gmail.com wrote: I'm at colocaiton in the middle of a big rebuild and it seems I have a faulty CD rom in the server that I need to put Centos on via Kickstart. Had a similar problem and easiest solution in the end was to buy a USB CD drive from local computer store. Good luck! Ben ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Try to install CentOS via a Pendrive ;) Sounds like good solution: https://projects.centos.org/trac/livecd/wiki/ImageFlash Any experiences on this? -- Eero ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] emergency! linux kickstart pxe boot needed
Eero Volotinen a écrit : 2010/3/1 Georghy fu...@wanagain.net: Benjamin Donnachie a écrit : On 28 Feb 2010, at 16:51, Alan McKay alan.mc...@gmail.com wrote: I'm at colocaiton in the middle of a big rebuild and it seems I have a faulty CD rom in the server that I need to put Centos on via Kickstart. Had a similar problem and easiest solution in the end was to buy a USB CD drive from local computer store. Good luck! Ben ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Try to install CentOS via a Pendrive ;) Sounds like good solution: https://projects.centos.org/trac/livecd/wiki/ImageFlash Any experiences on this? -- Eero ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos I just created a custom USB key. try something like this : http://smorgasbork.com/linux/35-linux/59-building-a-custom-centos-5-kickstart-disc-part-2 but instead of creating a custom iso, create a directory in DATA partition named centos and put the original iso file in it in ks.cfg : harddrive --partition=sdb2 --dir=/centos and in syslinux.cfg : append ks=hd:sdb2:/ks.cfg method=hd:sdb2:/centos initrd=initrd.img hope that helps -- Cordialement, / Greetings, Georghy FUSCO ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] extras repository broken?
Been getting this for the past few days: /etc/cron.daily/yum: Not using downloaded repomd.xml because it is older than what we have: Current : Fri Feb 26 18:03:06 2010 Downloaded: Thu Nov 5 20:40:44 2009 Then I ran yum clean all ; yum -d0 check-update and got ftp://ftp.free.fr/mirrors/ftp.centos.org/5.4/extras/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum Trying other mirror. http://centos.mirror.connexeon.net/5.4/extras/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum Trying other mirror. http://centos.mirrors.skynet.be/pub/centos/5.4/extras/i386/repodata/primary.xml.gz: [Errno -1] Metadata file does not match checksum Trying other mirror. [repeat] Looks like there's a problem with the extras repo. # find /var/cache/yum -name \*.xml|xargs ls -l -rw-r--r-- 1 root root 951 Oct 19 21:25 /var/cache/yum/addons/repomd.xml -rw-r--r-- 1 root root 2142 Oct 2 13:31 /var/cache/yum/base/repomd.xml -rw-r--r-- 1 root root 1144 Nov 5 20:40 /var/cache/yum/extras/repomd.xml -rw-r--r-- 1 root root 1095 Sep 28 05:17 /var/cache/yum/rpmforge/repomd.xml ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] CentOS 4.8 - PHP Version 5.1.6 and SQLite
From: Ron Young ronyo...@nc.rr.com Alternatively, can someone point me to a reference that shows actual examples of how to use PDO and SQLite? http://tinyurl.com/yanb4o4 ^_^ JD ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] multi-core performance
Hi, Does anyone know how to turn on TOE ( TCP offload engine ) and RSS ( Receive-Side Scaling)? Thanks, pete ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Python Script Issue
On 28 February 2010 06:54, John R Pierce pie...@hogranch.com wrote: atexit.py should be part of the base python RPM in EL5 # rpm -qf /usr/lib/python2.4/atexit.py python-2.4.3-27.el5 Did this get solved in the end? Ben ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] puzzling md error ?
On Sun, 2010-02-28 at 14:37 -0800, John R Pierce wrote: Clint Dilks wrote: SWAP inside LVM is fine in my experience. Personally I consider this a benign error and generally ignore it unless the mismatch count is very high And how do I know all these mirror data mismatches are Swap? does not each mismatch mean the mirrors disagree, which means one of them is wrong. Which one? since they aren't timestamped or checksummed (like vxvm, zfs do), I am playing 'data maybe'.As someone who adminstrates database servers, i have a real problem with that. btw, this is centos 5.4+latest x86_64, its primarily running postgres, and our inhouse java middleware apps. and was going to be a oracle grid operations server. Then any reason to not run the PERC in the 2850? Non of my DB machines run SWAP period. My thoughts on Linux swap is if I were to use it, it can't keep up the sync pace, been there. I realize I say no swap but with MS DesktopEngine and SQL-CEServer I use swap. John ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] multi-core performance
Pete Kay sent a missive on 2010-03-01: Hi, Does anyone know how to turn on TOE ( TCP offload engine ) and RSS ( Receive-Side Scaling)? Thanks, pete ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Hi Peter, Check out http://www.linuxfoundation.org/collaborate/workgroups/networking/toe to see why it is not supported. If you want to improve the performance of IP then this link may help http://www.psc.edu/networking/projects/tcptune/ Rgds Simon. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] cron mystery
From: Timothy Murphy gayle...@eircom.net The scripts in /etc/cron.d/ all run fine, but those in /etc/cron.hourly, etc, seem to be ignored. Tried: printf #'!'/bin/bash\ntouch /tmp/cron.test\n /etc/cron.hourly/cront.test; chmod 755 /etc/cron.hourly/cront.test Next hour: $ ll /tmp/cron.test -rw-r--r-- 1 root root 0 Mar 1 13:01 /tmp/cron.test Did you run your script has the cron user...? Do you have the following in your /etc/crontab? 01 * * * * root run-parts /etc/cron.hourly JD ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Python Script Issue
Did this get solved in the end? Ben Nope:) I started writing a Perl script to accomplish what I need yesterday. Given I have zero experience with python, it was the easier solution although I would have loved to stick with a provided solution in the event I end up overlooking something. Thanks for the effort none the less, jlc ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Slightly OT: check creation of a group
Hi, I'm currently writing an install script for an application, and my already limited Bash skills are a bit rusty. I want to check if a group exists, and if it doesn't, then create it. Only thing I found is: if [ grep medintux /etc/group ]; then continue else groupadd medintux fi Apparently I can't seem to negate the test, e. g. something like if !(grep medintux /etc/group) Any suggestions for the correct syntax here ? Thanks, Niki ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Slightly OT: check creation of a group
On Mon, 2010-03-01 at 17:03 +0100, Niki Kovacs wrote: Hi, I'm currently writing an install script for an application, and my already limited Bash skills are a bit rusty. I want to check if a group exists, and if it doesn't, then create it. Only thing I found is: if [ grep medintux /etc/group ]; then continue else groupadd medintux fi Apparently I can't seem to negate the test, e. g. something like if !(grep medintux /etc/group) Any suggestions for the correct syntax here ? Try this: grep -q medintux /etc/group || groupadd medintux Thanks, Niki ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos -- Ron Loftin relof...@twcny.rr.com God, root, what is difference ? Piter from UserFriendly ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Slightly OT: check creation of a group
2010/3/1 Niki Kovacs cont...@kikinovak.net: Hi, I'm currently writing an install script for an application, and my already limited Bash skills are a bit rusty. I want to check if a group exists, and if it doesn't, then create it. Only thing I found is: if [ grep medintux /etc/group ]; then continue else groupadd medintux fi Apparently I can't seem to negate the test, e. g. something like if !(grep medintux /etc/group) Any suggestions for the correct syntax here ? Thanks, Niki Why don't you use groupadd -f ? It will not override the group if it already exists, and shortens the code :) Laurent ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] RE: Slightly OT: check creation of a group
grep medintux /etc/group || groupadd medintux or in a if operation: if [[ ! grep medintux /etc/group ]] then groupadd medintux fi Regards, Frank. Niki Kovacs cont...@kikinovak.net schrieb am 01.03.2010 17:03:46: Hi, I'm currently writing an install script for an application, and my already limited Bash skills are a bit rusty. I want to check if a group exists, and if it doesn't, then create it. Only thing I found is: if [ grep medintux /etc/group ]; then continue else groupadd medintux fi Apparently I can't seem to negate the test, e. g. something like if !(grep medintux /etc/group) Any suggestions for the correct syntax here ? Thanks, Niki ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Slightly OT: check creation of a group
Apparently I can't seem to negate the test, e. g. something like if !(grep medintux /etc/group) Any suggestions for the correct syntax here ? I'd do it like this: grep medintux /etc/group if [ $? != 0 ]; then echo Group not found fi - Geoff Galitz Blankenheim NRW, Germany http://www.galitz.org/ http://german-way.com/blog/ ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Slightly OT: check creation of a group
On Mon, Mar 1, 2010 at 11:08 AM, Laurent Wandrebeck l.wandreb...@gmail.com wrote: Niki Why don't you use groupadd -f ? It will not override the group if it already exists, and shortens the code :) That gets my vote :) I have seen code that creates a temp file then does a chgrp on the file. If it fails then the group is created. If not, the existing group was used. This was done to get around some differences between SunOS and Linux and unknown state of LDAP/local auth. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Slightly OT: check creation of a group
On Mon, Mar 01, 2010 at 05:12:15PM +0100, Geoff Galitz wrote: I'd do it like this: grep medintux /etc/group if [ $? != 0 ]; then echo Group not found fi Or allow for naming services (NIS, LDAP, whatever) if [ -z $(getent group medintux) ] then groupadd fi -- rgds Stephen ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Slightly OT: check creation of a group
Niki wrote: I'm currently writing an install script for an application, and my already limited Bash skills are a bit rusty. I want to check if a group exists, and if it doesn't, then create it. Only thing I found is: if [ grep medintux /etc/group ]; then continue else groupadd medintux fi Why not if [ `grep -c medintux /etc/group` == 0 ]; then groupadd medintux fi ? mark ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] issues with 3rd party repos for centos
i'm reading the lowdown on 3rd party repos with respect to centos here: http://wiki.centos.org/AdditionalResources/Repositories and i have a couple questions and observations. first, the entry for centosplus reads: Popular packages from this repository include: postfix with database support, a rebuilt kernel with additional drivers filesystem support, php5 and mysql5. however, i popped over to the centosplus packages site: http://mirror.centos.org/centos-5/5.4/centosplus/ and checked under x86_64, but i don't see any php or mysql packages. am i misreading something? next, regarding remi collet's repo: Has been recommended on the mailing list and forum for mysql 5.1 and php5.2.9. however, if you check over there (say, under x86_64): http://rpms.famillecollet.com/enterprise/5/remi/x86_64/repoview/development.languages.group.html remi appears to already be up to php 5.3.1 (and even 5.3.2 under the test link), so the centos wiki page is a bit out of date. finally, all i want is to install PHP 5.3.x (and, obviously, dependent packages) on a stock centos 5.4 system. is remi collet's repo a good choice for that? the centos wiki recommends extreme caution for that repo, which makes me nervous. more to the point, are there any serious issues involving bumping up php to 5.3.1 on a stock centos 5.4 system while leaving everything else where it is? rday -- Robert P. J. Day Waterloo, Ontario, CANADA Linux Consulting, Training and Kernel Pedantry. Web page: http://crashcourse.ca Twitter: http://twitter.com/rpjday ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] SOLVED - Shutdown/poweroff does not power off machine
On 02/28/2010 05:25 PM Michael Klinosky wrote: Eero Volotinen wrote: On 1/4/10 10:57 PM, Scot P. Floess wrote: ... When I had Fedora 11 and 12 on it, I could issue a poweroff command and the machine would power itself off. However, under CentOS it doesn't turn the machine off whatsoever. When it completes, the machine is still running with a message of system halted. Then I have to physically hit the power button to turn it off... I believe at some point I did try to issue a shutdown command - but had the same results... No, I'm not the OP. But, I found a solution for my system. During boot, I noticed an error line -- BIOS fails cutoff age - ACPI might not work. Use acpi=force to fix. So I did; the machine now actually turns off after shutdown. Great work, Michael! Where did you insert/type in acpi=force? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] issues with 3rd party repos for centos
On Mon, Mar 1, 2010 at 8:54 AM, Robert P. J. Day rpj...@crashcourse.ca wrote: http://wiki.centos.org/AdditionalResources/Repositories and i have a couple questions and observations. first, the entry for centosplus reads: Popular packages from this repository include: postfix with database support, a rebuilt kernel with additional drivers filesystem support, php5 and mysql5. however, i popped over to the centosplus packages site: http://mirror.centos.org/centos-5/5.4/centosplus/ and checked under x86_64, but i don't see any php or mysql packages. am i misreading something? The web page needed some update. The CentOS Web Stack has been available for CentOS-4 only. I have amended the description. Akemi ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] another small glitch regarding 3rd party repos -- samba sernet link broken
(sorry, i'm not *trying* to be a pain, i am merely succeeding.) once again, here: http://wiki.centos.org/AdditionalResources/Repositories there's a reference to The SerNet Samba 3 Repository -- that link is broken, the directory structure over at http://ftp.sernet.de/pub/samba/ has changed somewhat. also, the current dirs over there go up to samba 3.4 but, as of today, samba 3.5.0 is out: http://news.samba.org/releases/3.5.0/ i'm sure someone else will look into that. :-) rday -- Robert P. J. Day Waterloo, Ontario, CANADA Linux Consulting, Training and Kernel Pedantry. Web page: http://crashcourse.ca Twitter: http://twitter.com/rpjday ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] How do I create a new menu category in GNOME ?
Hi, The title says it all. My GNOME desktop is in French, so here's what my standard Applications (same word in french) menu looks like : Applications Accessoires (Utilities) Bureautique (Office) Graphisme (Graphics) Internet (Internet) Son et vidéo (Sound and Video) Now I'm currently installing a medical application (Medintux) which consists of several different modules, e. g. programs where each one does one thing. There are something like ten different modules, and I'd like to create a new category in my main menu, so I have : Applications Medintux User Management Diagnostics X-Rays Scanner management Prescriptions ... Something like that. I'm already familiar with creating *.desktop files and putting them in /usr/share/applications and running update-desktop-database. But I can't seem to be able to create a new category. I found some probably related files in /usr/share/desktop-directories and tried to edit my custom medintux.directory file, but to no avail. Anyone here familiar with the innards of GNOME desktop menus? Cheers, Niki ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] issues with 3rd party repos for centos
On 3/1/2010 10:54 AM, Robert P. J. Day wrote: next, regarding remi collet's repo: Has been recommended on the mailing list and forum for mysql 5.1 and php5.2.9. however, if you check over there (say, under x86_64): http://rpms.famillecollet.com/enterprise/5/remi/x86_64/repoview/development.languages.group.html remi appears to already be up to php 5.3.1 (and even 5.3.2 under the test link), so the centos wiki page is a bit out of date. finally, all i want is to install PHP 5.3.x (and, obviously, dependent packages) on a stock centos 5.4 system. is remi collet's repo a good choice for that? the centos wiki recommends extreme caution for that repo, which makes me nervous. I've run the ocsinventory-server from remi repo for a while, letting it pull in the msyql and php versions from there (and I think you also need epel enabled for additional dependencies). It hasn't broken anything obvious. I keep the repo disabled in the yum setup and explicitly enable it with enablerepo=remi on the command line when updating ocsinventory. more to the point, are there any serious issues involving bumping up php to 5.3.1 on a stock centos 5.4 system while leaving everything else where it is? That probably depends on what php-based apps you need to keep running. Nothing else should care - but you do have to pay attention to what other package updates might be pulled in when you do updates. I usually do an update without remi enabled first, then with, and look over the list that it plans to install before accepting it. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How do I create a new menu category in GNOME ?
On Mon, 2010-03-01 at 18:50 +0100, Niki Kovacs wrote: Hi, The title says it all. My GNOME desktop is in French, so here's what my standard Applications (same word in french) menu looks like : Applications Accessoires (Utilities) Bureautique (Office) Graphisme (Graphics) Internet (Internet) Son et vidéo (Sound and Video) Now I'm currently installing a medical application (Medintux) which consists of several different modules, e. g. programs where each one does one thing. There are something like ten different modules, and I'd like to create a new category in my main menu, so I have : Applications Medintux User Management Diagnostics X-Rays Scanner management Prescriptions ... Something like that. I'm already familiar with creating *.desktop files and putting them in /usr/share/applications and running update-desktop-database. But I can't seem to be able to create a new category. I found some probably related files in /usr/share/desktop-directories and tried to edit my custom medintux.directory file, but to no avail. Anyone here familiar with the innards of GNOME desktop menus? --- That should be the right way /usr/share/apps then update it... I think your problem is you need to Crtl-Alt-Backspace as in restart X. By the wa how you like the app? John ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] issues with 3rd party repos for centos
Robert P. J. Day wrote on Mon, 1 Mar 2010 11:54:53 -0500 (EST): finally, all i want is to install PHP 5.3.x (and, obviously, dependent packages) on a stock centos 5.4 system. is remi collet's repo a good choice for that? the centos wiki recommends extreme caution for that repo, which makes me nervous. I recommend the repo *if* you want to go to 5.3.x. Normal precautions (like using priorities or not having it enabled by default) apply nevertheless. more to the point, are there any serious issues involving bumping up php to 5.3.1 on a stock centos 5.4 system while leaving everything else where it is? Yes, some PHP software may not run anymore. I think this should be obvious. Kai -- Get your web at Conactive Internet Services: http://www.conactive.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How do I create a new menu category in GNOME ?
JohnS a écrit : --- That should be the right way /usr/share/apps then update it... 1) *What* should be the right way ? 2) then update it... update what ? Sorry, but this wasn't very helpful. I want to create a new *main* menu category Applications Medintux. Just how should I go about that? Please be less elliptic. Niki PS: /usr/share/apps != /usr/share/applications... did you mean that? But then, what to do with it? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Inquery: popular upload tools for customer codes in use
Hi all, I've had a project to upload customer codes and some data to members inside a webfarm, the upload work will be done almost daily for quite a while. Customer needs the upload status be confirmed everytime and data will be verified later easily when in need. Is there one or more popular tools available for this purposes? open source is preferred, but commercial ones are fine too as long as price is aceeptable. Thanks. --Robinson ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] issues with 3rd party repos for centos
At Mon, 1 Mar 2010 11:54:53 -0500 (EST) CentOS mailing list centos@centos.org wrote: i'm reading the lowdown on 3rd party repos with respect to centos here: http://wiki.centos.org/AdditionalResources/Repositories and i have a couple questions and observations. first, the entry for centosplus reads: Popular packages from this repository include: postfix with database support, a rebuilt kernel with additional drivers filesystem support, php5 and mysql5. however, i popped over to the centosplus packages site: http://mirror.centos.org/centos-5/5.4/centosplus/ and checked under x86_64, but i don't see any php or mysql packages. am i misreading something? CentOS 4.x comes with php4 and mysql4 and CentOS 4.x/centosplus includes php5 (5.1.6) and mysql5 (5.0.82sp1). CentOS 5.x comes with php5 (5.1.6) and mysql5 (5.0.77)... CentOS 4.x is still alive and well and will be for a few more years. http://wiki.centos.org/AdditionalResources/Repositories; is not version specific -- it covers all the currently supported versions. next, regarding remi collet's repo: Has been recommended on the mailing list and forum for mysql 5.1 and php5.2.9. however, if you check over there (say, under x86_64): http://rpms.famillecollet.com/enterprise/5/remi/x86_64/repoview/development.languages.group.html remi appears to already be up to php 5.3.1 (and even 5.3.2 under the test link), so the centos wiki page is a bit out of date. finally, all i want is to install PHP 5.3.x (and, obviously, dependent packages) on a stock centos 5.4 system. is remi collet's repo a good choice for that? the centos wiki recommends extreme caution for that repo, which makes me nervous. more to the point, are there any serious issues involving bumping up php to 5.3.1 on a stock centos 5.4 system while leaving everything else where it is? rday -- Robert P. J. Day Waterloo, Ontario, CANADA Linux Consulting, Training and Kernel Pedantry. Web page: http://crashcourse.ca Twitter: http://twitter.com/rpjday ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos -- Robert Heller -- 978-544-6933 Deepwoods Software-- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows hel...@deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/ ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Success moving Xen LVMs from 32 to 64bit host
Just wanted to share some success I had moving some Xen guests from one server to another. Problem Recap We had Xen host on a single core 32-bit CentOS 5.4 installation on an AMD Athlon 2.1 GhZ system that was giving hard drive errors and needed to move the LVM-backed Xen images to another server. The replacement server was a quad-core AMD Phenom system running 64-bit CentOS 5.4. Our original plan was to use LVM snapshots so that we wouldn't need a maintenance window. This worked fine in test, but we decided to bring down the Xen guests after all. After shutting down the systems we backed up the LVMs. To show the backing LV: lvdisplay /dev/rootvg/xm_c32_001 From this, we grabbed the Current LE field and LV Size. We used LV Size to create a temporary mount point. We used the Current LE parameter to create an identically sized LV on the replacement server . On the failing server: dd if=/dev/rootvg/xm_c32_001 of=/mnt/backup/xm_c32_001.out We gzip'ed the resulting .out file and saved it as a backup. +++Footnote BTW, there are many recommendations to do the following on the virtual machine: dd if=/dev/zero bs=1024 count= of=/partition.out rm partition.out By creating the large empty file on each partition *in the guest istance* (/var, /, /home, etc.), it will improve the image compression. Space was not much of a concern and we were worried about blowing out a production system, so we opted not to do this. +++Footnote Once the backing LVM was created, we created the LV on the replacement server: lvcreate -l xxx -n xm_c32_001 rootvg Then used dd to recreate the file: dd if=xm_c32_001.out of=/dev/rootvg/xm_c32_001 Next, we copied the /etc/xen/xm_c32_001 configuration file to the replacement server. We generated a new UUID using the uuidgen utility. We also created a new MAC address. Finally, we started the instance: xm create xm_c32_001 Everything came up, but no network. From the root console we logged in then edited the /etc/sysconfig/network-scripts/ifcfg-eth0. Xen had apparently renamed the script and put in a DHCP configuration. We just renamed the backup file and commented out the MAC address line and restarted networking, *and* ifdown eth0 then ifup eth0. It took a few seconds for the network to properly discover the new MAC address. Once that was done, everything worked beautifully. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How do I create a new menu category in GNOME ?
On Mon, 2010-03-01 at 19:47 +0100, Niki Kovacs wrote: JohnS a écrit : --- That should be the right way /usr/share/apps then update it... 1) *What* should be the right way ? 2) then update it... update what ? Sorry, but this wasn't very helpful. I want to create a new *main* menu category Applications Medintux. Just how should I go about that? Please be less elliptic. -- 1. Ok what I said was you are on the right way to doing it 2. Heres the easy way. Right Click on the Applications Menu Click on Edit Menus. I think you can figure the rest out it's pretty easy. OK manually you can put the *.desktop entry into /YourHomeDir/.gnome or /home/.kde Thankfully I had to learn the hard way. You get the easy way. Took me a whole afternoon to figure it out. John ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] multi-core performance
On 02/03/10 00:41, Pete Kay wrote: Hi, Does anyone know how to turn on TOE ( TCP offload engine ) and RSS ( Receive-Side Scaling)? Thanks, pete ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos Hi open source Linux drivers generally don't support TOE. As for RSS I have no idea sorry. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] puzzling md error ?
JohnS wrote: Then any reason to not run the PERC in the 2850? Non of my DB machines run SWAP period. My thoughts on Linux swap is if I were to use it, it can't keep up the sync pace, been there. these 2850 have only JBOD SCSI. PERC was an option, i didn't buy these, I inherited them. I realize I say no swap but with MS DesktopEngine and SQL-CEServer I use swap. The oracle installer complains if you don't have swap = main memory. I realize I can choose to ignore that. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How do I create a new menu category in GNOME ?
JohnS a écrit : 1. Ok what I said was you are on the right way to doing it 2. Heres the easy way. Right Click on the Applications Menu Click on Edit Menus. I think you can figure the rest out it's pretty easy. OK manually you can put the *.desktop entry into /YourHomeDir/.gnome or /home/.kde Thankfully I had to learn the hard way. You get the easy way. Took me a whole afternoon to figure it out. That's on a per-user basis. I need the new menu entry for *all* users. Any idea how I could achieve that ? ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Inquery: popular upload tools for customer codes in use
On 3/1/2010 1:18 PM, Robinson Tiemuqinke wrote: Hi all, I've had a project to upload customer codes and some data to members inside a webfarm, the upload work will be done almost daily for quite a while. Customer needs the upload status be confirmed everytime and data will be verified later easily when in need. Is there one or more popular tools available for this purposes? open source is preferred, but commercial ones are fine too as long as price Rsync over ssh is about as good as it gets for remotely updating files. If they can assemble a tree that matches the directory structure, 'rsync -av' will show a list of files that are different (and thus updated) and you can repeat it if you want - no output means the remote side is identical. You'd probably really want to wrap this with a version control system like subversion to get history, logging, rollback capability, etc. so the changes would be made in one or more working copies, committed to the subversion repository, then updated in a staging copy (where you might do some tests and sanity checking) and then the staging copy would be pushed to the real servers with rsync. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How do I create a new menu category in GNOME ?
On Mon, 2010-03-01 at 22:15 +0100, Niki Kovacs wrote: That's on a per-user basis. I need the new menu entry for *all* users. Any idea how I could achieve that ? Do the users already exist? If not, put your custom setup into /etc/skel. -- MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] How do I create a new menu category in GNOME ?
On Mon, 2010-03-01 at 15:30 -0600, Frank Cox wrote: On Mon, 2010-03-01 at 22:15 +0100, Niki Kovacs wrote: That's on a per-user basis. I need the new menu entry for *all* users. Any idea how I could achieve that ? Do the users already exist? If not, put your custom setup into /etc/skel. No no No... Here I found my link I used to do it amnually: It is for system wide... http://wiki.matusov.sk/howto/gnome-menu-edit This is what I went by to do it so I could include the files in my rpm build, which took a whole afternoon about. I would have given it to you earlier but it took some backups to go through to find it. John ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] puzzling md error ?
On Mon, 2010-03-01 at 13:02 -0800, John R Pierce wrote: JohnS wrote: Then any reason to not run the PERC in the 2850? Non of my DB machines run SWAP period. My thoughts on Linux swap is if I were to use it, it can't keep up the sync pace, been there. these 2850 have only JBOD SCSI. PERC was an option, i didn't buy these, I inherited them. I realize I say no swap but with MS DesktopEngine and SQL-CEServer I use swap. The oracle installer complains if you don't have swap = main memory. I realize I can choose to ignore that. --- And when I see Oracle I complain also.. :-) God, have you priced Oracle EHR App Stack? John ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Moving hard drives
Hi All, I have a server that is running nicely, except I have hit the maximum RAM (4gb) and I wish to add more. It is an ASUS board, AMD X64 dual core, nvidia nic. What I want going to move to is a dell board, Intel Pentium M dual code, which supports 8gb of RAM. Can I just unplug the HD and move it to the new server and boot it up? I assume that the NIC will need to be re-setup, but what other issues would there be? I am not running X at all. Doing apache, zimbra, mysql. Best, -Jason ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] UnRAID
has anyone heard of UnRaid at: http://lime-technology.com/ Seems interesting, runs from USB. What I like is that you can add drives to your array without having to destroy it. And it lets you add any size drive that you want. You can mix, say 1tb and 2tb drives. What other ways can I do this without UnRAID? Its limitation is that you cant do anything else and I would want to run other things like apache, mysql, etc. -Jason ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Inquery: popular upload tools for customer codes in use
On Monday, March 01, 2010 1:14 PMLes Mikesell Wrote Hi all, I've had a project to upload customer codes and some data to members inside a webfarm, the upload work will be done almost daily for quite a while. Customer needs the upload status be confirmed everytime and data will be verified later easily when in need. Is there one or more popular tools available for this purposes? open source is preferred, but commercial ones are fine too as long as price Rsync over ssh is about as good as it gets for remotely updating files. If they can assemble a tree that matches the directory structure, 'rsync -av' will show a list of files that are different (and thus updated) and you can repeat it if you want - no output means the remote side is identical. Rsync over ssh doesn’t works but a little cumbersome – customer’s servers’ data center are far away from development site and link between is slow. So better one to data center’s one and from the latter to all others in data center. This will work better but still could be improved. Since customer has some scripts to be reloaded after codes/data are synced. You'd probably really want to wrap this with a version control system like subversion to get history, logging, rollback capability, etc. so Is there already an existing solution like this available, open source and commercial? Thanks. --Robinson ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving hard drives
On Mon, Mar 1, 2010 at 5:27 PM, Slack-Moehrle mailingli...@mailnewsrss.com wrote: Hi All, I have a server that is running nicely, except I have hit the maximum RAM (4gb) and I wish to add more. It is an ASUS board, AMD X64 dual core, nvidia nic. What I want going to move to is a dell board, Intel Pentium M dual code, which supports 8gb of RAM. Can I just unplug the HD and move it to the new server and boot it up? I assume that the NIC will need to be re-setup, but what other issues would there be? I am not running X at all. Doing apache, zimbra, mysql. It usually works for me without much fuss. If you'd like to be certain you can try doing a test installation on the new server. Once installed, take a peek at the kernel parameters. If you see anything markedly different, just add a stanza to the old system with the parameters from the test installation before shutting it down. You may also want to peek at any kernel modules that you load for things like CPU scaling or other machine specific features. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving hard drives
On Mon, 2010-03-01 at 14:27 -0800, Slack-Moehrle wrote: Hi All, I have a server that is running nicely, except I have hit the maximum RAM (4gb) and I wish to add more. It is an ASUS board, AMD X64 dual core, nvidia nic. What I want going to move to is a dell board, Intel Pentium M dual code, which supports 8gb of RAM. Truth be known the Asus board is faster even with the less ram. Are you sure the Asus board only supports 4GB and not 8GB? Can I just unplug the HD and move it to the new server and boot it up? Gee I wish it were that easy. It's not MS Windows. Kernel Panic Not Syncing Hit Control-D for Maintenance # mkinitrd You may need the first install disc to boot linux rescue It's not just as easy as another posted stated I promise. It can be literal hell. Only about %30 of systems will JUST BOOT. Those systems are the ones that contain LIKE Board Components Before hand I would DD the disk drive number one priority so if something does go wrong you have a image backup. I assume that the NIC will need to be re-setup, but what other issues would there be? I am not running X at all. Doing apache, zimbra, mysql. How many users? Connections to it? John ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Inquery: popular upload tools for customer codes in use
On 3/1/2010 4:31 PM, Robinson Tiemuqinke wrote: I've had a project to upload customer codes and some data to members inside a webfarm, the upload work will be done almost daily for quite a while. Customer needs the upload status be confirmed everytime and data will be verified later easily when in need. Is there one or more popular tools available for this purposes? open source is preferred, but commercial ones are fine too as long as price Rsync over ssh is about as good as it gets for remotely updating files. If they can assemble a tree that matches the directory structure, 'rsync -av' will show a list of files that are different (and thus updated) and you can repeat it if you want - no output means the remote side is identical. Rsync over ssh doesn’t works but a little cumbersome – customer’s servers’ data center are far away from development site and link between is slow. So better one to data center’s one and from the latter to all others in data center. This will work better but still could be improved. Since customer has some scripts to be reloaded after codes/data are synced. If ssh is set up for rsync, it is simple enough to add commands to run remotely in a script. You'd probably really want to wrap this with a version control system like subversion to get history, logging, rollback capability, etc. so Is there already an existing solution like this available, open source and commercial? There are a lot of things called 'content management systems' that are basically web sites with upload/management capability built in (joomla, drupal, alfresco, etc.). They aren't likely to work unless you start over from scratch with them for the web site design. If you already have the sites in place you are probably better off setting up a subversion repository and a staging site at the data center with the servers (perhaps even running on one of them) and let the customers commit the changes to the repository with subversion client tools and work out a script that checks out a revision they specify into the staging area, rsync's to the server locations, and ssh's the needed commands. The operations should be relatively simple and as easy to manage in shell scripts as some dedicated framework. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] SOLVED - Shutdown/poweroff does not power off machine
ken wrote: No, I'm not the OP. But, I found a solution for my system. During boot, I noticed an error line -- BIOS fails cutoff age - ACPI might not work. Use acpi=force to fix. So I did; the machine now actually turns off after shutdown. Great work, Michael! Where did you insert/type in acpi=force? In /boot/grub/grub.conf, there is a line (there may be more) that begins with 'kernel' - put it at the end of that line. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving hard drives
Slack-Moehrle wrote: Hi All, I have a server that is running nicely, except I have hit the maximum RAM (4gb) and I wish to add more. It is an ASUS board, AMD X64 dual core, nvidia nic. What I want going to move to is a dell board, Intel Pentium M dual code, which supports 8gb of RAM. Pentium-M was a single core laptop chip about 4 years ago, that predated the Core family of CPUs...The current Pentium dual core chips are low end Celeron-style chips based on Core2Duo chips with smaller caches and disabled features.. Some potential places you get into trouble moving linux... 1) old architecture was x86_64, new CPU isn't. 2) old board and new board require different device names for the disk systems, so /etc/fstab has to be editted 3) new board requires different IO drivers in /boot/initrd-*.img ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving hard drives
At Mon, 1 Mar 2010 14:27:36 -0800 (PST) CentOS mailing list centos@centos.org wrote: Hi All, I have a server that is running nicely, except I have hit the maximum RAM (4gb) and I wish to add more. It is an ASUS board, AMD X64 dual core, nvidia nic. What I want going to move to is a dell board, Intel Pentium M dual code, which supports 8gb of RAM. Can I just unplug the HD and move it to the new server and boot it up? What flavor of hard drive controller? If generic IDE, yes. If SCSI or SATA (or 'fancy' IDE), only if the original and replacement use the same driver module (if a PCI SCSI card, move the SCSI controller with the disks). If the controller is *different*, remake the initrd and add the proper driver for the replacement board: mkinitrd --with=mumble -f /boot/initrd-`uname -r`.img `uname -r` mumble is the driver module for the new board's HD controler. (Do this on the original system.) You can use a livecd to determine that. You *could* just do the transplant and then use the install CD (or a live CD) in rescue mode to 'fix' the initrd. I assume that the NIC will need to be re-setup, but what other issues would there be? Hard drive controller if SCSI or SATA. Oh, are the processors on the Dell board X64 capable? I am not running X at all. Doing apache, zimbra, mysql. Best, -Jason ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos -- Robert Heller -- Get the Deepwoods Software FireFox Toolbar! Deepwoods Software-- Linux Installation and Administration http://www.deepsoft.com/ -- Web Hosting, with CGI and Database hel...@deepsoft.com -- Contract Programming: C/C++, Tcl/Tk ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving hard drives
On Mon, Mar 1, 2010 at 5:27 PM, Slack-Moehrle mailingli...@mailnewsrss.com wrote: Hi All, I have a server that is running nicely, except I have hit the maximum RAM (4gb) and I wish to add more. It is an ASUS board, AMD X64 dual core, nvidia nic. What I want going to move to is a dell board, Intel Pentium M dual code, which supports 8gb of RAM. Can I just unplug the HD and move it to the new server and boot it up? I assume that the NIC will need to be re-setup, but what other issues would there be? I am not running X at all. Doing apache, zimbra, mysql. If you're worried, use a tool such as g4l to make an exact duplicate of your system. You boot with the G4L disk then clone the HD to an external HD or a network accessible share. Then boot the new with the G4L disk then reimage the drive from the backup. The ease with which this is done is all relative. Unlike MS Windows, which can have lots of problems when moving to a new system, Linux installations generally move quite easily. In fact, the initrd on CentOS contains many generic modules so at worst case it can often fall back to a compatible module. To inspect the initrd you can copy the existing initrd.img to file such as foo.img.gz, gunzip, then use cpio to extract the foo.img file. Once you do that you will see the many modules that exist. Going from ATA to SCSI or SATA will have some issues, generally with fstab but that's to be expected. Other than that, no real problems. BTW, prior to reading your email I'd posted another message about moving Xen systems from one system to another. The Xen infrastructure can hide a lot of the system specific internals so you may consider virtualizing if you think this may be a regular occurence. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Moving hard drives
Kwan, BTW, prior to reading your email I'd posted another message about moving Xen systems from one system to another. The Xen infrastructure can hide a lot of the system specific internals so you may consider virtualizing if you think this may be a regular occurence. Very good point and I probably should be heading this route for sure. Best, -Jason ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
[CentOS] Perl 5.10 as default version of Perl
Current release(5.4) comes with Perl 5.8 but I was wondering if next release has Perl 5.10 as default. Thanks Arvind ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] Success moving Xen LVMs from 32 to 64bit host
Next, we copied the /etc/xen/xm_c32_001 configuration file to the replacement server. We generated a new UUID using the uuidgen utility. We also created a new MAC address. Finally, we started the instance: Since you moved your virtual machine, you wouldn´t have to create a new UUID and no new MAC address. This is only required if you copy a virtual machine and if you want both up at the same time. xm create xm_c32_001 Everything came up, but no network. From the root console we logged in then edited the /etc/sysconfig/network-scripts/ifcfg-eth0. Xen had apparently renamed the script and put in a DHCP configuration. We just renamed the backup file and commented out the MAC address line and restarted networking, *and* ifdown eth0 then ifup eth0. This is because you changed the MAC address. If you would have left it at the original value, the network would have started right away with the old config. Henry ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
