Discuss March 2009

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264 participants
245 discussions

rm user:group
by Matt 10 Mar '09

10 Mar '09

I want to remove files but only if they are owned by a certain user and group. Basically I have this: find /var/spool/greylist -mmin +363 -exec rm -f {} \; I want to make sure it only deletes files owned by mail. Basically no matter what weird characters are in the file names I want to make sure it does not delete anything outside of /var/spool/greylist. I can add 'sudo -u' to it but then my secure log gets filled with entries but perhaps thats the only way to do it. Matt

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Re: [CentOS] Clonezilla SE with CentOS5
by Toby Bluhm 10 Mar '09

10 Mar '09

Sorin Srbu wrote: > Hi all, > > I'm looking for a cloning solution for our Windows/Linux/*nix computer park > and ran into Clonezilla. Apparantely the DRBL and other documentation > mentions CentOS as a suitable base for it. > > Does anybody on this list use this solution and can say something about it > in the running-Clonezilla-with-CentOS-context, be it recommendations, > gotchas', warnings or whatever? > Works nicely for my only purpose - Windows backup. Installs like an appliance - it will stomp on several config files without warning. Best to try it out on a test box or virtual machine. Had to sort through many small scripts to get it to do what I wanted. Main ones I edited were /opt/drbl/sbin/ocs-functions, /opt/drbl/lang/bash/en_US, /tftpboot/nbi_img/pxelinux.cfg/default. Use only one network, shut off nis master, made it a secondary dhcpd server, NFS mount the image storage point off another box. The logger service /opt/drbl/sbin/ocsmgrd didn't work the way I liked, so I use cobbled something together using nc. Because I changed around some files, I have to be careful with drbl/clonezilla updates. I found it useful to have spare disk/LVM space on the server to restore images to, easier restore of a single file or dir. Needs to be equal/larger than the biggest client disk. I had to move it from an x86_64 to i386 Centos - not all my client cpus could run 64bit. PXE boot other stuff like systemrescue, C5 install/rescue, DBAN, etc. I never posted anything, but Steven Shiau, the maintainer, seems responsive to questions on the mail list. -- tkb

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Re: [CentOS] Clonezilla SE with CentOS5
by Michael Peterson 10 Mar '09

10 Mar '09

Sorin Srbu wrote: >> -----Original Message----- >> From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On >> > Behalf > >> Of Les Mikesell >> Sent: Monday, March 09, 2009 2:50 PM >> To: CentOS mailing list >> Subject: Re: [CentOS] Clonezilla SE with CentOS5 >> >> >>> Does anybody on this list use this solution and can say something about >>> > it > >>> in the running-Clonezilla-with-CentOS-context, be it recommendations, >>> gotchas', warnings or whatever? >>> >> I'm using it installed via yum on Centos and it works great. I use a >> 2-NIC server where machines are normally plugged into the private side >> in a lab to be imaged via PXE booting but it also works to use a >> clonezilla-live CD boot anywhere on the network to save or restore. >> > > Thanks Les and Thomas. I appreciate the feedback. I'll look into installing > this solution. > > I'm currently using a g4u-based routine with an ftp-server running of off a > Win2k3-machine+dhcp. It works, but is slightly awkward to use. Clonezilla > seems a bit more worked-on compared and more of a complete solution. > > Thanks. > > ------------------------------------------------------------------------ > > _______________________________________________ > CentOS mailing list > CentOS(a)centos.org > http://lists.centos.org/mailman/listinfo/centos > Please let us know how it works for you. I did not know that you could install it on CentOS. I just started looking at it lately and can not get the live CD to work on new or old hardware. I have used PartImage and hoped it would be easier to use but no luck even getting it up to test yet. Glad to read that someone has gotten it to work.

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need help with keyring
by Michael Klinosky 10 Mar '09

10 Mar '09

I should mention that I'm a total newbie with keyrings! I tried searching for help sites - found 1, but I still have a problem. If there is a website (or sites) that explain this, please post it (them)! Ok, so I have a laptop with wifi, running CentOS 5.2. When I boot it, it finds the nearby wifi signals, and tries to connect to mine. To do this, it puts up a window to get my default keyring password. Perhaps I needed to config something? Anyway, I found http://fedoraproject.org/wiki/Tools/NetworkManager , which _seems_ to explain everything. However, my newbie-ness is interfering with this process. NB - I use gnome. The problem is that it's still asking for the default password. I'm fairly sure that I didn't *complete* that process (one issue - that password is different from my user password.) It states that I need (?) to change the keyring password to be the same as the user password - but I can't figure out how. The last sentence: (Using gnome-keyring-manager), "highlight the keyring and select Change Keyring Password from the Keyring menu of gnome-keyring-manager. I don't have 'Change' anything there - whether as $ or #. What do I need to do to satisfy it (so that it doesn't ask for the password)?

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freetype-freeworld?
by Frank Cox 10 Mar '09

10 Mar '09

Is there a Centos equivalent to the Fedora freetype-freeworld? -- MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com

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Identical yum configs, different results
by Rob Hutten 09 Mar '09

09 Mar '09

Hi all, I have two new Centos 5.2 servers ("drizzle" and "fog"), both ROCKS headnodes installed from the same rolls. Identical `uname -a' output (2.6.18-92.1.13.el5, x86_64 etc), identical yum versions (Version: 3.2.8 Release: 9.el5.centos.1) with identical yum.conf files and identical repo files in /etc/yum.repos.d. To simplify things I've disabled all repos except the centos base on both servers: [base] name=CentOS-$releasever - Base mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch… baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 enabled=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 Octave is installed on drizzle: drizzle(a)/etc/yum.repos.d# yum info octave Loading "fastestmirror" plugin Loading mirror speeds from cached hostfile * centosplus: mirrors.portafixe.com * base: mirrors.portafixe.com * updates: mirrors.portafixe.com * extras: mirrors.portafixe.com * addons: mirrors.portafixe.com centosplus 100% |=========================| 951 B 00:00 base 100% |=========================| 1.1 kB 00:00 updates 100% |=========================| 951 B 00:00 extras 100% |=========================| 1.1 kB 00:00 addons 100% |=========================| 951 B 00:00 Installed Packages Name : octave Arch : x86_64 Epoch : 6 Version: 3.0.1 Release: 2.el5 Size : 33 M Repo : installed Summary: A high-level language for numerical computations Description: [etc...] And I'd like to install it on fog; however: [root@fog yum.repos.d]# yum info octave Loading "fastestmirror" plugin Loading mirror speeds from cached hostfile * base: mirrors.portafixe.com * updates: mirrors.portafixe.com * centosplus: mirrors.portafixe.com * addons: mirrors.portafixe.com * extras: mirrors.portafixe.com Error: No matching Packages to list [root@fog yum.repos.d]# "yum install octave" gives the same error. Any idea what I'm missing? I'm sure it's something stupid but I've been banging my head against the wall all evening on this... Thanks, -Rob Rob Hutten Senior HPC Engineer Flagstone RE Suite 700, Cogswell Tower 2000 Barrington Street Halifax, Nova Scotia B3J 3K1 www.flagstonere.bm ********************************************************************** This communication contains information which is confidential and may also be legally privileged. It is for the exclusive use of the intended recipient(s). If you are not the intended recipient(s), disclosure, copying, distribution, or other use of, or action taken or omitted to be taken in reliance upon, this communication or the information in it is prohibited and maybe unlawful. If you have received this communication in error please notify the sender by return email, delete it from your system and destroy any copies. **********************************************************************

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usb mouse config
by Michael Klinosky 09 Mar '09

09 Mar '09

Hello. I have 5.2 running nicely on my Aspire laptop. It has a 'mousepad' (which I don't like), so I put a usb mouse on it. It works properly, but I (apparently) can't change the motion (in Preferences > Mouse, Motion tab). Any setting for the Acceleration and Sensitivity don't affect the motion. Do I have to config something somewhere else?

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Re: [CentOS] Memory vs. Display Card
by Rick 09 Mar '09

09 Mar '09

In article <12768.4492654682$1236586039(a)news.gmane.org>, Sorin Srbu <centos(a)centos.org> wrote: >If the motherboard supports dual-channel configs, one might want to take care >how one distributes the different mem-sticks in the banks. Eg the 2GB-sticks >in bank 1 and 3 and the 4GB-sticks in banks 2 and 4. Well, yeah, of course. But even if I got that wrong, the 4GB alone did not work in the same slots the 2GB sticks were in.

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Grub Loading stage2Read Error
by dnk 09 Mar '09

09 Mar '09

Hi there, I had a system drop this weekend, and upon boot, the system halts at a black screen with the following error: "Grub Loading stage2Read Error" Now upon googling around, it seems to be recommended to reinstall GRUB. My system is a simple raid 0 (data backed up), with the typical partition scheme (LVM, etc) provided by CentOS. This system is 5.2 in my case. Now since my system is a raid 0, I am a little hesitant to do the procedure as none of the instructions I have found take this into consideration. What would be the best way to do this, or more importantly to find out the proper device to run (on): /sbin/grub-install /dev/... Thanks in advance. d

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[bug] Perl Performance Issue
by Georg Grabler 09 Mar '09

09 Mar '09

Hello, I'm currently bitten hard by a bug which was introduced by RedHat in their perl releases. This bug has been fixed "recently", to be true in January, by RedHat. The bug I'm talking about is a performance issue, which is caused by overloading blessed functions: http://bugs.centos.org/view.php?id=2357 The bug fix (January 2009): http://rhn.redhat.com/errata/RHBA-2009-0117.html claims to fix 379791 <http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=379791> - perl bless/overload performance problem I wanted to ask if we can expect CentOS to release a new version of perl soon, or if we should rather tend building our own packages. I'd prefer the CentOS update, due to the reason that I don't know if we'll have the same problems with this in mod_perl as well. Kind regards, Georg

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Discuss March 2009