[Lxc-users] lxc-centos on Ubuntu 12.04

[Roland Neary]

If I recall you need to place the template in the dir like you did but, when creating a container call it 'lxc-centos' instead of centos.


Regards,

Roland Neary


-----Original message-----
From: Kim C. Callis <kim.callis at gmail.com>
Sent: Fri 08-Feb-2013 14:16
To: lxc-users at lists.sourceforge.net
Subject: [Lxc-users] lxc-centos on Ubuntu 12.04


Ok, I am good and lost... I thought it would be as simple as adding your script to /usr/share/lxc/templates and then doing:

$ sudo lxc-create -n centosbox -t centos -- - user

No config file specified, using the default config
/usr/bin/lxc-create: line 297: type: /usr/share/lxc/templates/lxc-centos: not found
unknown template 'centos'
aborted

So what is the trick to getting the template accepted?


On Tue, Feb 5, 2013 at 5:16 PM, Fajar A. Nugraha <list at fajar.net <mailto:list at fajar.net> > wrote:
On Wed, Feb 6, 2013 at 1:44 AM, Papp Tamas <tompos at martos.bme.hu <mailto:tompos at martos.bme.hu> > wrote:
> On 02/05/2013 01:56 PM, Roland Neary wrote:
>> Nothing exciting, I modified a few values such as dns servers which were hardcoded into the script
>> but not appropriate for my setup.

> Well, it's not really good.
> config file and fstab file are not created by default (for me) after this command:
>
> $ /lxc-centos -n container -p /data/lxc/container
>
>
> After that the rpm database is a bit broken.
> Do you see orphaned files int the output of the this command?


Yeah, creating RH/centos on Ubuntu/Debian is quite a hassle. Try mine:
https://github.com/fajarnugraha/lxc/blob/centos-template/templates/lxc-centos.in

After trying several methods, I found the best method to work around
rpm issue is by invoking yum twice: once using the Ubuntu hosts's yum
command (which results in broken rpmdb version and locations), and the
next one using the newly-created-rootfs' yum (which will create a
"correct" rpm database). The downloaded rpm files are preserved
between runs (copied, to be exact), so there's no extra bandwidth used
for the second yum process.

The script is pretty much self-explatanory, so if you want to just
pick some parts of it, feel free to do so.

--
Fajar

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