黑猴子的家：xshutdown.sh

#!/bin/bash

user=`whoami`

echo -e "================  正在关闭 102 103 104 集群     ==========="
for((host=104; host>=102; host--)); do
    echo -e "\n---$user@hadoop$host---"
    ssh $user@hadoop$host 'sudo shutdown now'
done