Re: [libvirt] question about the commands: domhostname and hostname

On 09/12/2012 08:50 AM, Li Zhang wrote: > On Wed, Sep 12, 2012 at 2:40 PM, Martin Kletzander <mkletzan(a)redhat.com&gt; wrote: >> On 09/12/2012 07:59 AM, Li Zhang wrote: >>> Sorry for wrong subject prefix of my mail, correct it. -:) >>> >> >> The [libvirt] tag in the prefix is done automatically, you don't have to >> do that ;) >> > Got it, thanks. :) > >>> On Wed, Sep 12, 2012 at 1:57 PM, Li Zhang <zhlcindy(a)gmail.com&gt; wrote: >>>> Hi all, >>>> >>>> I am testing the virsh commands, and I found that these two commands: >>>> * domhostname >>>> * hostname >>>> >>>> From the manual of virsh commands: >>>> * hostname >>>> Print the hypervisor hostname. >>>> * domhostname domain >>>> Returns the hostname of a domain, if the hypervisor makes >>>> it available >>>> >>>> It seems that both of them want to get the host name. What's the >>>> difference between them? >>>> >> >> Basically it's what's written. "virsh hostname" will give you the >> hostname of the hypervisor (host), but "virsh domhostname <domain>" is >> trying to get the hostname of the specified domain (guest). >> > Oh, domhostname is the guest's name. Am I right? domhostname is the guest's hostname, however... > I saw virsh also has such a command to get guest's name: > $virsh domname domain-id-or-uuid > ...this is the name of the domain (basically this function converts ID or UUID of the domain to its name).

>>>> From the source code, domhostname only is supported for openvz on 0.10.1. >>>> Will this be only for openvz in the future? >>>> >> >> I don't know about anyone trying to work on this, but it doesn't mean it >> won't change. It's possible to implement it for some other hypervisors >> as well, but nobody had the need to, I guess. > > I see, thanks a lot for your reply! > >> >>>> Any idea? >>>> >>>> Thanks a lot in advance. -:) >>>> >>>> -- >>>> Best Regards >>>> -Li >>> >> >> Martin >> > > >