<html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body text="#000000" bgcolor="#FFFFFF"> 于 2011年10月21日 17:32, vmnode guy 写道: <blockquote cite="mid:CABM7-r-x9DACPygGa2PrdJ8TOKmhqM1NFt73C1Sae+CUZPzPcw@mail.gmail.com" type="cite"> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> <pre style="font-family: 'Times New Roman'; font-size: medium; ">Hi All,</pre> <pre>I am new to libvirt, i wander how we can achieve below objective, i read through a lot from <a moz-do-not-send="true" href="http://libvirt.org">libvirt.org</a> but couldn't found any thing solid something equivalent to this:-</pre> <pre> </pre> <pre> virsh dumpxml dom > /tmp/dom.xml</pre> <pre style="font-family: 'Times New Roman'; font-size: medium; "> $EDITOR /tmp/dom.xml && virsh define /tmp/dom.xml </pre> <pre style="font-family: 'Times New Roman'; font-size: medium; ">What i try to achieve is to have one management server that install with libvirt in place then we can use libvirt to connect to other libvirt box to provision the vm-create, vm-delete & capable to vm-modified the CPU,MEM,HDD,boot sequence, vnc password attached & detech network card..on the targeted VM.</pre> </blockquote> there are commands to do the modifications? e.g. for vnc password changes, HDD: # virsh update-device for mem: # virsh setmem # virsh setmaxmem for detach/attach NIC: # virsh attach-device # virsh detach-device Not sure how you want to modify the "CPU", you could see if following commands satisfy you requirement: # virsh setvcpus (if you are using qemu-kvm, the cpus in guest won't be hotpluged/unhotpluged actually, as it lacks support) # virsh vcpupin All these commands support change persistent config, But if you are trying to modify a bunch of domains, scripts is better, though it's not supported offically by libvirt to modify the domain configs externally. Regards Osier </body> </html>