expect shell自动连接ssh服务器

#!/usr/bin/expect

set PORT 2222
set HOST 13.214.147.196
set USER root
set PASSWORD DT8ajY0lFudf6D9Y


spawn ssh -p $PORT $USER@$HOST
expect {
        "yes/no" {send "yes\r";exp_continue;}
        "*password:*" {send "$PASSWORD\r"}
}
interact

将以上文件保存为 test_client

打开items，将文件位置填到command，前面加上expect+空格

expect脚本解读：

下载安装：

$ apt-get install expect

$ yum install expect

• The spawn command starts a script or a program like the shell, FTP, Telnet, SSH, SCP, and so on.
• The send command sends a reply to a script or a program.
• The Expect command waits for input.
• The interact command allows you to define a predefined user interaction.