Re: removing virbr0

[Andrei Perietanu <andrei.perietanu@xxxxxxxxxxxxxxx>]

On Wed, Mar 9, 2016 at 2:49 PM, Andrea Bolognani <abologna@xxxxxxxxxx> wrote:

On Wed, 2016-03-09 at 14:15 +0000, Andrei Perietanu wrote:
> I am building a custom Linux image which includes KVM and will be installed on multiple machines. By default when
> installing libvirt you get a 'default network' which adds a 'vrbr0'.
> I found several tutorials online about removing this 'virbr0' but I would like to not have it in the first place.
>
> I am compiling libvirt from source so I would think there is some compile time option or some configuration file I
> need to change for the default network not to be included. 

It should be enough to run

  # virsh net-autostart --disable default

or delete

  /etc/libvirt/qemu/networks/autostart/default.xml

after installation. You can also run

  # virsh net-undefine default

or delete

  /etc/libvirt/qemu/networks/default.xml

if you are sure you're never going to need the
default network.

Cheers.

     Thanks for the answer, but this does not solve the problem. As I said I am building an linux image which will be installed on multiple machines. I don't want to have to go to each one and manually disable the default network. I would like to disable it in the image itself so that it's not installed in the first place. 

--
Andrea Bolognani
Software Engineer - Virtualization Team

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