rsys_users=`ssh -q "$SYSTEM" w | tail -n +3 | wc -l`
if [ "$rsys_users" = "0" ]; then
echo "$NAME: power off \"$SYSTEM\" again ..."
- ssh -q "$SYSTEM" "sync; shutdown -hP +1"
+ ssh -q "$SYSTEM" "sync; shutdown -hP +1" >/dev/null
if [ $? -ne 0 ]; then
echo "$NAME: failed to power off \"$SYSTEM\"!" >&2
return 5