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. >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > 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. > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > 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.