Am 01.02.2013 23:56, schrieb skull:
> Am 01.02.2013 23:39, schrieb James Hogarth:
>>> Does anyone have an idea how to recreate the default virbr0?
>>> Is it doable via virsh? I don't have a DE installed on this server, so
>>> no virtual-manager. I am willing to go that far if it's worth it though.
>>>
>> You don't need a DE for that just yum install xauth virt-manager and ssh -X
>> to forward it to your local X server.
>>
>> Although I do a fair amount from virsh and editing XML if you don't use a
>> cluster manager/tool/IaaS like ovirt, openstack, archipel etc virt-manager
>> is too useful not to have - especially to get console access to VMs nicely.
>>
>> I'm home now but if you're struggling on the bridge part come Monday send
>> me a mail and I'll send you my server network configs to give you a start
>> on this.
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>>
> I guess it's better to communicating this over the list, in case someone
> runs in the same problem :)
>
> What i did in terms of network changes was the following script. It's an
> old one i used when i didn't work with virsh, because i followed an old
> tutorial for kvm-qemu on CentOS 5.
> It basically creates a new bridge called bg0, creates a tap0 interface,
> and connects eth0 and tap0 to the bridge.
> (comments ommited)
>
> 22 chown root:kvm /dev/net/tun
> 23 chmod 0660 /dev/net/tun
> 24
> 25 service libvirtd stop
> 26 service httpd stop
> 27 service vsftpd stop
> 28 service named stop
> 32 brctl addbr br0
> 35 ifconfig eth0 0.0.0.0
> 38 brctl addif br0 eth0
> 41 ifconfig br0 192.168.2.253 netmask 255.255.255.0 up
> 44 route add -net 192.168.2.0 netmask 255.255.255.0 br0
> 47 route add default gw 192.168.2.1 br0
> 50 tunctl -u root -g kvm -t tap0
> 58 ifconfig tap0 up
>
>
> so i ran this script and tried to use the tap0 the xml from the vm.
> it didn't work (yeah i am not that smart in terms of bridges, i know i
> am not getting it 100 percent ;) )
> but i didn't touch virbr0 at all.
> it even showed up as usual when i did a "brctl show all"
> and either eth0 or tap0 were connected in any way with it.
>
> after the restart virbr0 was gone.
>
> If you want to have more logs etc just ask away.
>
>
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> CentOS@xxxxxxxxxx
> http://lists.centos.org/mailman/listinfo/centos
>
I fixed it.
I had to yum remove everything
and then yum install everything
apparently yum reinstall doesnt do the same.
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