[libvirt-users] LXC container driver
Daniel P. Berrange
berrange at redhat.com
Wed Feb 12 14:24:13 UTC 2014
On Wed, Feb 12, 2014 at 03:21:18PM +0100, arnaud gaboury wrote:
> I am totally lost in this UID/GID mapping. Maybe all this stuff is
> just beyond my competence.
>
> For now, I am writing a basic mydomain.xml file following these 3 wiki:
> LXC container from libvirt.org[1]
> Linux containers guide from Rad Hat 7[2]
> getting start with lxc from P.Berrange [3]
>
> This is the basic .xml file:
>
> <domain type='lxc'>
> <name>dahlia</name>
> <memory>409600</memory>
> <os>
> <type arch='x86_64'>exec</type>
NB, you want 'exe' not 'exec'
> <init>/bin/init</init> * systemd is
> default and PID1 is init on my Arch box
> <vcpu>4</vcpu>
> </os>
> <devices>
> <emulator>/usr/lib/libvirt/libvirt_lxc</emulator> * it is the
> path on Arch
> <console type='pty'/>
> </devices>
> </domain>
>
> Unfortunately :
>
> gabx at hortensia ➤➤ /drawer/vm # virsh define dahlia.xml
> error: Failed to define domain from dahlia.xml
> error: internal error: unexpected domain type lxc, expecting one of
> these: qemu, kqemu, kvm, xen
>
> What is wrong ?
You didn't specify any URI for the hypervisor so libvirt will have
guessed on. From the error it sounds like it guessed QEMU instead
of LXC. Either use virsh -c lxc:///, or set LIBVIRT_DEFAULT_URI=lxc:///
or edit your libvirt.conf to set a default
http://libvirt.org/uri.html#URI_libvirt
Regards,
Daniel
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