1.在/root/bin目錄下創建腳本xcall.sh
[root@hadoop100 bin]$ vim xcall.sh
2.在腳本中編寫如下內容
#! /bin/bash
for i in hadoop100 hadoop101 hadoop102
do
echo --------- $i ----------
ssh $i "$*"
done
3.修改腳本執行權限
[root@hadoop100 bin]$ chmod +x xcall.sh
4.將/etc/profile文件追加到~/.bashrc後面
[root@hadoop100 module]# echo 'source /etc/profile' >> ~/.bashrc
[root@hadoop101 module]# echo 'source /etc/profile' >> ~/.bashrc
[root@hadoop102 module]# echo 'source /etc/profile' >> ~/.bashrc