[libvirt-users] virsh dom state
Eric Blake
eblake at redhat.com
Tue Mar 24 14:28:32 UTC 2015
On 03/23/2015 03:54 PM, Brian Rak wrote:
>
> On 3/23/2015 12:49 PM, Michal Privoznik wrote:
>> On 23.03.2015 16:02, Fiorenza Meini wrote:
>>> Hi there,
>>> I'm running KVM under Openstack .
>>>
>>> When I give virsh list command, I see some VM in NON persistent state.
>>> What does it mean? How can I move it to a persisten state ?
>> You can do that by running:
>>
>> virsh dumpxml $dom > dom.xml && virsh define dom.xml
> You want `virsh dumpxml --security-info $dom`, not just `virsh
> dumpxml`. There is a *critical* difference in that the former will
> preserve any passwords you have set (like say, VNC) whereas the latter
> will not. This is sadly not very obvious.
VNC passwords are the ONLY thing protected by --security-info, and as it
is, they are not all that secure to begin with (8-byte maximum,
transferred in plaintext in the protocol). Spice security is much
better, and also not impacted by the limitation on preserving passwords.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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