Re: [CentOS] aborting installation of CentOS

2010-10-17 Thread Fajar Priyanto
On Mon, Oct 18, 2010 at 1:02 PM, Ritika Garg wrote: > During installation if due to some reason one wants to abort the > installation then is the only way to do it is to switch off the system by > pressing the power button, then switch on by pressing the power button and > pressing the optical dri

Re: [CentOS] using a Laptop as a KVM console?

2010-10-17 Thread Devin Reade
Rudi Ahlers wrote: > I want to use a laptop as a KVM console. [snip] Other people have pointed out KVM-over-IP devices for your legacy or low end machines (ALOM/iLO/DRAC/whatever is still cheaper for server-grade hardware). I'd like to bring up the AdderLink IPEPs, which I can say from experie

[CentOS] aborting installation of CentOS

2010-10-17 Thread Ritika Garg
During installation if due to some reason one wants to abort the installation then is the only way to do it is to switch off the system by pressing the power button, then switch on by pressing the power button and pressing the optical drive eject button to take out the DVD?

[CentOS] xen backup script

2010-10-17 Thread Tim Dunphy
hello, I have a couple of longish commands that I run to backup my network of xen hosts. I would like to cron this, but am having trouble issuing the same command the second time to the second xen host: [r...@lcent01 ~]# ssh sum2 'for i in `virsh list | grep -v -e Id -e --- -e "Domain-0"| awk

Re: [CentOS] Postfix wont stay started

2010-10-17 Thread Les Mikesell
On 10/17/10 5:30 PM, Dotan Cohen wrote: > On Sun, Oct 17, 2010 at 23:57, Robert Heller wrote: >> Quoting from "Highlander": "There can be only one." > > I have to read that! I'm in the middle of Dune now... > > >> For any given >> service (SMTP in this case), there can be only one listener. One

[CentOS] Real time NFS monitoring

2010-10-17 Thread Fajar Priyanto
Hi all, Is there any tool we can use to see on NFS: 1. What files are being accessed 2. The performance (bandwidth, etc) Thank you. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Postfix wont stay started

2010-10-17 Thread Robert Heller
At Mon, 18 Oct 2010 00:30:11 +0200 CentOS mailing list wrote: > > On Sun, Oct 17, 2010 at 23:57, Robert Heller wrote: > > Quoting from "Highlander": "There can be only one." > > I have to read that! I'm in the middle of Dune now... > > > >  For any given > > service (SMTP in this case), th

Re: [CentOS] Not receiving mail

2010-10-17 Thread Ryan Wagoner
On Sun, Oct 17, 2010 at 6:39 PM, Dotan Cohen wrote: > I have installed Postfix, Dovecot, and Squirrelmail on a CentOS 5.5 > machine. In Squirrelmail a user can send mail, but he is not receiving > replies. There is nothing relevant in the maillog other than the > user's (successful) login attempts

Re: [CentOS] Postfix wont stay started

2010-10-17 Thread Scott Robbins
On Mon, Oct 18, 2010 at 12:30:11AM +0200, Dotan Cohen wrote: > On Sun, Oct 17, 2010 at 23:57, Robert Heller wrote: > > Quoting from "Highlander": "There can be only one." > > I have to read that! I'm in the middle of Dune now... This was actually best known as a movie--I reckon most of you are t

Re: [CentOS] iptables: comprehensive tutorial for CentOS?

2010-10-17 Thread Adam Tauno Williams
On Sun, 2010-10-17 at 18:41 -0400, Boris Epstein wrote: > Hello listmates, > I know this may sound stupid... but I am trying to set up a > firewall/filter/forwarder using CentOS 5.5 machine as a platform and I > am succeeding but only partially. Fro example, I am literally trying > to forward HTTP

[CentOS] iptables: comprehensive tutorial for CentOS?

2010-10-17 Thread Boris Epstein
Hello listmates, I know this may sound stupid... but I am trying to set up a firewall/filter/forwarder using CentOS 5.5 machine as a platform and I am succeeding but only partially. Fro example, I am literally trying to forward HTTP and HTTPS (TCP 80 and 443) from the public interface to a private

[CentOS] Not receiving mail

2010-10-17 Thread Dotan Cohen
I have installed Postfix, Dovecot, and Squirrelmail on a CentOS 5.5 machine. In Squirrelmail a user can send mail, but he is not receiving replies. There is nothing relevant in the maillog other than the user's (successful) login attempts. I am at loss, I have been following tutorials such as the

Re: [CentOS] qemu-kvm segfaults on starting guests

2010-10-17 Thread Akemi Yagi
On Sun, Oct 17, 2010 at 3:11 PM, Negative wrote: > I have a Centos 5.5 on an AMD 64 system (Athlon II x2 250). > > I caught up on updates today, including > -- kernel 2.6.18-194.17.1.el5 > -- glibc 2.5-49.el5_5.5.i686 > > I have several guests that were working before the update, but now none of >

Re: [CentOS] Postfix wont stay started

2010-10-17 Thread Dotan Cohen
On Sun, Oct 17, 2010 at 23:57, Robert Heller wrote: > Quoting from "Highlander": "There can be only one." I have to read that! I'm in the middle of Dune now... >  For any given > service (SMTP in this case), there can be only one listener.  One cannot > run two MTAs at the same time (unless one

[CentOS] qemu-kvm segfaults on starting guests

2010-10-17 Thread Negative
I have a Centos 5.5 on an AMD 64 system (Athlon II x2 250). I caught up on updates today, including -- kernel 2.6.18-194.17.1.el5 -- glibc 2.5-49.el5_5.5.i686 I have several guests that were working before the update, but now none of them will boot. With each attempt I get a message in /var/log/

Re: [CentOS] Postfix wont stay started

2010-10-17 Thread Robert Heller
At Sun, 17 Oct 2010 23:29:18 +0200 CentOS mailing list wrote: > > On Sun, Oct 17, 2010 at 23:17, Eero Volotinen wrote: > > > > check out logs.. > > > > > Thanks, Eero, I know that should be the first step always! It turns out that: > Oct 17 23:12:47 mercury postfix/postfix-script: starting t

Re: [CentOS] best practices in using shared storage for XEN Virtual Machines and auto-failover?

2010-10-17 Thread Drew
> What is the best way to connect a NAS / SAN to these 2 servers for > this kind of setup to work flawlessly? The NAS can export iSCSI, NFS, > SMB, etc. I'm sure I could even use ATAOE if needed Unless you want to use cluster aware filesystems I'd say NFS is your best bet. -- Drew "Nothing in

Re: [CentOS] Postfix wont stay started

2010-10-17 Thread Dotan Cohen
On Sun, Oct 17, 2010 at 23:17, Eero Volotinen wrote: > > check out logs.. > Thanks, Eero, I know that should be the first step always! It turns out that: Oct 17 23:12:47 mercury postfix/postfix-script: starting the Postfix mail system Oct 17 23:12:47 mercury postfix/master[30770]: fatal: bind 12

Re: [CentOS] Postfix wont stay started

2010-10-17 Thread Eero Volotinen
2010/10/18 Dotan Cohen : > What should I start troubleshooting when postfix will not stay running: > > [r...@mercury ssl]# service postfix start > Starting postfix:                                          [  OK  ] > [r...@mercury ssl]# service postfix status > master is stopped > [r...@mercury ssl

[CentOS] Postfix wont stay started

2010-10-17 Thread Dotan Cohen
What should I start troubleshooting when postfix will not stay running: [r...@mercury ssl]# service postfix start Starting postfix: [ OK ] [r...@mercury ssl]# service postfix status master is stopped [r...@mercury ssl]# Thanks! -- Dotan Cohen http://g

Re: [CentOS] best practices in using shared storage for XEN Virtual Machines and auto-failover?

2010-10-17 Thread Rudi Ahlers
On Fri, Oct 15, 2010 at 11:03 PM, Pasi Kärkkäinen wrote: > On Thu, Oct 14, 2010 at 01:25:01PM +0200, Rudi Ahlers wrote: >> Hi all, >> >> Can anyone pleas tell me what would be best practice to use shared >> storage with virtual machines, especially when it involved high >> availability / automated

[CentOS] CentOS-announce Digest, Vol 68, Issue 8

2010-10-17 Thread centos-announce-request
Send CentOS-announce mailing list submissions to centos-annou...@centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-requ..

[CentOS] black display during installation of CentOS5.5

2010-10-17 Thread Ritika Garg
During installation of CentOS5.3 from DVD, the installation was interuppted due to an error in a rpm package as the DVD had lot of scratches. So I burned image of CentOS5.5 on DVD. I selected installation in graphical mode. The first graphical interface screen comes from where we proceed further by