How to power-off VM guest with ESXi 5 esxcli command

1. SSH to VM host.

2. Type "esxcli vm process list" to get the list of running VM guest. (WorldID, UUID...)

3. Type "esxcli vm process kill --type=soft -world-id=xxxxx"

     or "esxcli vm process kill --type=hard -world-id=xxxxx"