Discuss April 2011

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312 participants
283 discussions

KVM problem after update to 5.6
by Riccardo Veraldi 12 Apr '11

12 Apr '11

Hello, after updating to Cents 5.6 and so to kvm-83-224 my KVM virtual machines qemu qcow2 based images do not start anymore. Looking at VM console the error message is that VM media is not bootable. Going back to previous KVM version kvm-83-164 from Centos 5.5 they works again. What's wrong with qemu images ? anyone has an idea on how to fix the problem ? thanks Rick

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Kickstart and lvm
by Lars Hecking 12 Apr '11

12 Apr '11

I've written some %pre code to grab a few files off a logical volume, if it exits, before the disk gets formatted, but can't get get it to work correctly. Essentially: %pre ... lvm vgscan lvm vgchange -a y ... if [ -d /dev/vol0 ]; then # do stuff fi lvm vgremove -f vol0 The problem is that /dev/vol0 does not exist after lvm vgchange. I added a few debug statements (lvm pvdisplay, lvm vgdisplay, lvm lvdisplay, ls -l /dev) that confirm the existance of all logical volumes, but there's no sign of the volume group under /dev. What am I missing?

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Choosing network interface to send traffic through
by Emmanuel Noobadmin 12 Apr '11

12 Apr '11

I've got a server that initially was connected to a static WAN connection via eth0. Now I've added a second NIC eth1 connected to a local network switch with the intention of using it as a backup remote access connection via a dynamic ADSL connection. The problem now is getting the IP address of the dynamic ADSL connection. I've written a script that updates another server with the current IP address in order to ssh in which was used on my own home server also running Centos 5. But in the case of two NICs, I cannot find a way to make the outbound traffic of the script use eth1 instead of the default gateway on eth0. There are instructions on using iproute to ensure that a connection coming in from eth1 will work properly. But this only appears to work for when the connection is initiated externally through eth1. The only way I found that might work is adding a static route, but then this assumes that I'll always be connecting from the same external IP. Does anybody know if what I'm trying to achieve is possible?

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Re: [CentOS] GUI Software Raid Monitor Software
by jvalidolnx＠juanyjosefina.com 12 Apr '11

12 Apr '11

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Re: [CentOS] GUI Software Raid Monitor Software
by jvalidolnx＠juanyjosefina.com 12 Apr '11

12 Apr '11

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Re: [CentOS] 5.6 update experience - EXCELLENT!
by Fajar Priyanto 12 Apr '11

12 Apr '11

On Mon, Apr 11, 2011 at 3:07 PM, Sorin Srbu <sorin.srbu(a)orgfarm.uu.se> wrote: > Topping that; 175 packages dropped in on my test-machine at work. 8-) Feels like > I'm getting spoiled with updates like this that "just work". ;*) > > So far, so good. Great work CentOS-team/devs! Thanks from Uppsala/Sweden! Thanks from Singapore! ^^

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GUI Software Raid Monitor Software
by jvalidolnx＠juanyjosefina.com 12 Apr '11

12 Apr '11

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5.6 update experience - EXCELLENT!
by Ed Westphal 12 Apr '11

12 Apr '11

Just updated 98 packages on this ole hardware raid 10 box - 5.6 final is running just fine. No problems. THANKS. Ed Westphal

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5.6 is out, great my first upgrade didn't work...
by Nicolas Ross 12 Apr '11

12 Apr '11

5.6 is out. That is good news. I did a yum update on one of my non-critical server, and the server stoped responding to ping after the reboot, and never answered back. It's now been 10 minutes, so I'll have to take a ride to the colo... Nice work dev team, keep up the good work. Let's hope that C6 will come soon ! I'm eager to upgrade.

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Re: [CentOS] Best configuration for /var/www/html/
by Les Bell 12 Apr '11

12 Apr '11

Todd Cary <todd(a)aristesoftware.com> wrote: >> The privileges are 754 (rwxr-xr--), however apache does not have access to them. Should the owner be apache? Group? << It's probably the SELinux labels preventing access - I stumbled across this yesterday while setting up a local mirror to deploy 5.6. Do an ls -lZ on the stuff in /var/www/html - it should look something like this: drwxr-xr-x root root system_u:object_r:httpd_sys_content_t CentOS You've probably got the wrong user and type on your files. Use chcon to change them - from memory chcon -R -u system_u -t httpd_sys_content_t I hope that gets it for you. Best, --- Les Bell [http://www.lesbell.com.au] Tel: +61 2 9451 1144

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Discuss April 2011