some useful virsh commands

get vm info

list inactive & active domains

virsh list --all

list domains in running state

virsh list --state-running

monitor the resource usage of a particular virtual machine

virsh dominfo local-service-u20

start inactive vm

start the virtual machine

virsh start image-maker_u20

stop running vm

show donw vm

virsh shutdown iKuai-3.6.13

shut down all virtual machines

for i in $(virsh list --state-running | awk '{print $2}'); do virsh shutdown $i; done