Use'[less|ful]' One-Liners

shutdown all xen domains on a server:

for i in `xm list | awk 'NR>2{ print l} {l=$1}'`;do xm shutdown $i;done

get the state of all xen domains on a physical 

for i in `xm list | awk 'NR>2{ print l} {l=$1}'`;do xm domstate $i;done

destroy all domains on server

for i in `xm list | awk 'NR>2{ print l} {l=$1}'`;do xm destroy $i;done