interact
[root@daixuan shell]# chmod +x 1.expect
[root@daixuan shell]# ./1.expect #这里从101.230成功远程登录101.108
spawn ssh root@192.168.101.108
The authenticity of host '192.168.101.108 (192.168.101.108)' can't be established.
RSA key fingerprint is 6a:b8:52:23:8e:38:00:91:b4:30:bc:94:62:f9:fc:8e.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.101.108' (RSA) to the list of known hosts.
root@192.168.101.108's password:
Last login: Fri Feb 12 20:14:27 2016
[root@daixuan ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:0B:C6:57
inet addr:192.168.101.108 Bcast:192.168.101.255 Mask:255.255.255.0[root@daixuan ~]# logout
Connection to 192.168.101.108 closed.
[root@daixuan shell]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0C:29:72:15:4F
inet addr:192.168.101.230 Bcast:192.168.101.255 Mask:255.255.255.0 2、再来看一个登陆后,执行命令然后退出的脚本:
[root@daixuan shell]# vim 2.expect
#!/usr/bin/expect
set user "root"
set passwd "daixuan"
spawn ssh $user@192.168.11.108
expect {
"yes/no" { send "yes\r"; exp_continue}
"password:" { send "$passwd\r" }
}
expect "]*"
send "touch /tmp/12.txt\r"
expect "]*"
send "echo 1212 > /tmp/12.txt\r"
expect "]*"
send "exit\r"
[root@daixuan shell]# chmod +x 2.expect
[root@daixuan shell]# ./2.expect
spawn ssh root@192.168.101.108
root@192.168.101.108's password:
Last login: Fri Feb 12 20:52:12 2016 from www.test.com
[root@daixuan ~]# touch /tmp/12.txt
[root@daixuan ~]# echo 1212 > /tmp/12.txt
[root@daixuan ~]# [root@daixuan shell]#
登录101.108 查看
[root@daixuan ~]# cat /tmp/12.txt
1212 3. 我们还可以传递参数
[root@daixuan shell]# vim 3.expect
#!/usr/bin/expect
set user [lindex $argv 0]
set host [lindex $argv 1]
set passwd "daixuan"
set cm [lindex $argv 2]
spawn ssh $user@$host
expect {
"yes/no" { send "yes\r"}
"password:" { send "$passwd\r" }
}
expect "]*"
send "$cm\r"
expect "]*"
send "exit\r"
[root@daixuan shell]# chmod x 3.expect
执行: ./3.expect root 192.168.101.108 w
[root@daixuan shell]# ./3.expect root 192.168.101.108 w
spawn ssh root@192.168.101.108
root@192.168.101.108's password:
Last login: Fri Feb 12 22:30:59 2016 from 192.168.101.105
[root@daixuan ~]# w
22:31:21 up 2:57, 4 users, load average: 0.00, 0.00, 0.00
USER TTY FROM LOGIN@ > root tty1 - 20:14 58:58 0.09s 0.09s -bash
root pts/0 192.168.101.105 21:33 10:46 0.16s 0.04s bash 4. 自动同步文件
[root@daixuan shell]# vim 4.expect
#!/usr/bin/expect
set passwd "daixuan"