[libvirt-users] How to change libvirt / cgroup interaction?

Samuel Hassine samuel.hassine at anotherservice.com
Wed Jan 25 11:27:46 UTC 2012

Hi there,

Do you know if there is a way to modify how libvirt interacts with the 

Because, I successfully add the /dev/net/tun support in my LXC container 
by doing:

echo c 10:200 rwm >> /cgroup/libvirt/lxc/instance-00000005/devices.allow

But when I restart the instance/LXC container, this option has gone.

How can I make this persistant? Is there a configuration file?

Thanks for your answers.

Best regards.

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