ssh 免密码登陆

#!/usr/bin/env python
#_*_ coding:utf-8 _*_


import paramiko
ssh_private_path = 'home/hello/.ssh/id_rsa'
key = paramiko.RSAKey.from_private_key_file(ssh_private_path)


ssh  = paramiko.SSHClient
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('192.168.145.129',22,username = 'root',pkey=key)
stdin,stdout,stderr = ssh.exec_command('ifconfig')
print stdout.read()
ssh.close()