paramiko ssh执行命令

#!/usr/bin/env python

import paramiko

if __name__=='__main__':

    paramiko.util.log_to_file('paramiko.log')

    ssh = paramiko.SSHClient()

    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    ssh.connect('192.168.1.2', username='root', password='secret')

    stdin, stdout, stderr = ssh.exec_command('df -h')

    print stdout.readlines()

    ssh.close()