centos7 expect

在主机A上安装expect：

yum install expect

Shell脚本示例

1. #!/usr/bin/expect
2.  
3. set ip 192.168.1.102
4. set pass yourpassword
5. set timeout 30
6. spawn ssh root@$ip
7. expect {
8. "(yes/no)" {send "yes\r"; exp_continue}
9. "password:" {send "$pass\r"}
10. }
11. expect "root@*" {send "df -h\r"}
12. expect "root@*" {send "exit\r"}
13. expect eof