利用中控机打通所有ssh机器

1.安装包：

 rpm -qa|grep expect

 rpm -qa|grep tcl

 tcl-8.5.7-6.el6.x86_64

 expect-5.44.1.15-5.el6_4.x86_64

2.脚本：

#!/usr/bin/expect 

set server_port 22 

set server_dir /home/xxxx/.ssh

set server_user xxxx

set server_pswd xxxx

set scp_file /home/xxxx/.ssh/id_rsa.pub 

set server_file  authorized_keys

foreach  server_ip { 10.90.3.85 10.90.3.86 10.90.3.88 10.90.3.87 } { 

 set timeout 60   

 spawn  ssh -l $server_user $server_ip "mkdir  $server_dir"   

 expect {         

      "pas