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Dear CentOs users, I have a centos server with nothing important at the moment, but I would like to install some web-based project management tool (trac for the curious) that would contain important data. And, as my network is growing the configuration of the server is becoming complex. I would like to have a proper backup so that I can restore the whole system easily, should any problem occur.

I have a quad core CPU running Centos5. When I use top, I see that running processes use 245% instead of 100%. If I use gkrellm, I just see one core being used 100%. top: PID USER PR NI VIRT RES SWAP SHR S %CPU %MEM TIME+ COMMAND 18037 thba 31 15 304m 242m 62m 44m R 245.3 4.1 148:58.72 ic Also in the log of some programs I see this strange factor: CPU Seconds = 2632

https://bugzilla.samba.org/show_bug.cgi?id=6746 Summary: file from link-dest-source is copies and not linked for identical files Product: rsync Version: 3.0.6 Platform: x86 OS/Version: Linux Status: NEW Severity: normal Priority: P3 Component: core AssignedTo: wayned at

Since the recent update from firefox2 to firefox3 the links in my mails do no longer work. No window pops up. After some debug I found the problem. Let's share it with others that experience the same problem: I'm using Thunderbird 2.0.0.17 (manually downloaded, that might have caused the problem, I have not tried with 1.5) I'm using Firefox 3.0.2 (yum installed CentOS 4.7) To solve I

...config $dom` So I fixed the problem using $() instead of back-ticks, but I like to understand what can be the root cause of this problem. It seems to happen on only one of my hosts. cat /etc/redhat-release CentOS release 5.6 (Final) rpm -qf xendomains xen-3.0.3-120.el5_6.3 uname -a Linux xenzele.greenpeak.com 2.6.18-238.19.1.el5xen #1 SMP Fri Jul 15 08:16:59 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux Theo

I have used restore to restore a snapshot of home data. From the root of this restore a file called aquota.user exists but cannot be removed: # mount|grep temp /dev/mapper/vgraid-temprestore on /mnt/temprestore type ext3 (rw) # cd /mnt/temprestore/home # ll -d . drwxr-xr-x 2 root root 4096 Dec 12 11:12 . # ll total 12 -rw------- 1 root root 8192 Sep 30 10:21 aquota.user # rm aquota.user rm:

I updated Asterisk to 1.6.2.7 and now the user introduction in the meetme application is no longer working: [May 27 09:26:51] WARNING[2407]: channel.c:4034 ast_request: No channel type registered for 'DAHDI' -- Created MeetMe conference 1023 for conference '800' [May 27 09:26:51] WARNING[2407]: app_meetme.c:3640 find_conf: No DAHDI channel available for conference, user

I recall others on this list are using fail2ban to block brute force login attempts. Packages are from the EPEL repo, so I'm just sharing some knowledge here. For about two months now I've had a CentOS 6.3 box (web host) in production that occasionally is ftp brute forced. Oddly enough fail2ban wasn't nabbing the perpetrators. I found that the iptables chain for VSFTP isn't

I try to install make (should be present in base): yum install make Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile * base: mirrors.supportex.net * epel: mirror.nl.leaseweb.net * extras: mirrors.supportex.net * rpmforge: archive.cs.uu.nl * updates: mirrors.supportex.net Setting up Install Process No package make available. Error:

I have a desktop installation with Centos 6. A lot works fine, but suspend to ram or disk does not work from the KDE menu. If I choose suspend to RAM, the screen goes dark (black-light on) but nothing further happens. I can give my password to remove the screenlock and continue. But the machine stays on. Obviously the suspend has failed. If I use pm-suspend (as root) all works fine. I've

I have started to migrate one CentOS5 machine from xen to kvm. The stability of the machine is much better (too much crashes with xen). I was used to do a "xm list" to get a list of clients. On the KVM machine I need to do a "virsh list". What I miss in that overview is the memory size of clients. I found "virsh dominfo <client>" but that is for just that one

I use a CentOS5.8 server with KVM. I have several virtual machines running on it. When I reboot the server (takes 10 minutes) all VMs are saved and correctly restored. The time on the clients is however of by 10 minutes. nptd is running on the clients and that is able to correct this big mismatch. But what I don't understand is that the host does not seem to help the client with it's

I want to suspend a script using a signal but that does not work as I want. I made an example script: $ cat script #!/bin/bash echo $$ gkrellm If run this script gkrellm starts up and I can use job control from the terminal to suspend the script (CTRL-Z) and resume it (fg or bg). If I suspend I can see that gkrellm freezes (that's why I choose gkrellm in this example): $ ./script 23632

On my CentOS5 boxes the automounter fails after the last update to autofs.x86_64 1:5.0.1-0.rc2.177.el5 No update is seen on CentOS6 and things still work there. The home directory of users is setup using an auto.home map which is distributed using NIS: * fsutrecht02:/export/home/& /nobackup -noacl nasutrecht01:/nobackup/& /snapshot -ro fazant:/home_backup/ This maps a users

Today a user asked me whether a file on one host can be different on another host. I was busy composing an answer to tell that the /home space on all clients are mounted using NFS from the file server. Any host will therefor see the same file. The user pointed me to his file and I copied this file from the client and compared this with the file on the file server. To my surprise it turned out

I have the following problem with the 1.6.0.25 version of Asterisk: 1. A calls B 2. B picks up and talks to A 3. B does attended transfer to C 4. C picks up, but B still hears ringing 5. A and B are connected again (AT timeout exceeded on console) This is exactly the same problem as mentioned in bug 16816 <https://issues.asterisk.org/view.php?id=16816> This bug is solved but filed against

I have a problem with two entries in my /etc/fstab. When I boot the machine, the disks are not mounted. When I give mount -a, all disks are present without an error. Of course I don't want to manually do that after each reboot. What can be the problem? CentOS 5.2 cat /etc/fstab /dev/vg/centos / ext3 defaults 1 1 LABEL=/boot /boot

Hi I use NIS om my network (CentOS4.6). When an update on a map occurs (home directory changed in /etc/passwd for instance), I run make -C /var/yp/ and check the result on a client. On the client I use "ypcat passwd" and find indeed that the update has propagated (the clients run ypbind service). On the client I have configured /etc/nsswitch.conf with : passwd: files nis shadow:

I use KVM on two identical centos5 hosts. I can live migrate the virtual machines from one to the other and it works great. Once I do this, I can see VM definitions on both hosts using virt-manager or virsh list --all On one machine the VM is running, on the other it reports "shut off". The disk images are accessible to both host machines and I want to have only one running a the time