('shutdown', 'shut down your VM, softly if paravm (with xm shutdown)'),
('create', 'start up your VM (with xm create)'),
('reboot', 'reboot your VM (with xm destroy and xm create)'),
('shutdown', 'shut down your VM, softly if paravm (with xm shutdown)'),
('create', 'start up your VM (with xm create)'),
('reboot', 'reboot your VM (with xm destroy and xm create)'),