ssh批量操作

1. ssh免密登录

将终端机的id_rsa.pub内容拷贝到目标机器的 ~/.ssh/authorized_keys

2. 批量操作脚本

#!/bin/bash

for host in `cat hosts.txt`
do
    echo $host
    scp <something> admin@$host:<target-directory>
    ssh admin@$host << EOF
        <commands-here>
EOF
done
wait

echo "Job's done!"