Shell脚本实现ssh自动登录

[root@xuxing ~]#yum -y install expect
[root@xuxing ~]# cat 123
#!/bin/expect
spawn ssh root@10.124.45.123 
expect "password:"
send "cisco\r"
interact
[root@xuxing ~]# chmod 777 123 
[root@xuxing ~]# 
[root@xuxing ~]# 
[root@xuxing ~]# ./123
spawn ssh root@10.124.45.123
root@10.124.45.123's password: 
Last login: Fri Nov 20 04:53:03 2020 from 10.140.0.42
[root@nso ~]# 
[root@nso ~]#