expect脚本免密码

  1 #!/usr/bin/expect
  2 set timeout 10
  3 spawn ssh root@20.0.102.19
  4 expect "password:"
  5 send "123456
"
  6 interact 

  1 #!/usr/bin/expect
  2 set timeout 10
  3 spawn scp -r /root/authorized_keys root@20.0.102.19:/root/.ssh/authorized_keys  
    #将本地的authorized_keys拷贝到远端的/root/.ssh
 
  4 expect "password:"
  5 send "123456
"
  6 interact

 今天要用expect免密码登陆集群中节点，使用expect实现免密码登陆和scp.