I'll tempered developer fighting xen and arguing for kvm.
virt-install --connect qemu:///system -n VM01 -r 1024 --vcpus=2 -f /kvm/VM01 -s 10 -c \ /root/debian-504-amd64-netinst.iso --vnc --noautoconsole --os-type linux --os-variant \ debianLenny --accelerate --network=bridge:br0 --hvm
virtualis:~# virsh --connect qemu:///systemWelcome to virsh, the virtualization interactive terminal.
Type: 'help' for help with commands
'quit' to quit
virsh # list
Id Name State
----------------------------------
5 teta running
virsh # start helika
Domain helika started
virsh # list
Id Name State
----------------------------------
5 teta running
7 helika running
virsh #