远程登录服务器执行cmd的Python脚本

 import paramiko,os,sys

 ip = raw_input("input ip address :>>>")
 password = raw_input("input password:>>>")
 cmd = raw_input("input your cmd:>>> ")

 print '''
 ------connecting to %s ,--------
 '''%ip
 def ssh_cmd(ip,port,cmd,user,passwd):
     result = ""
     try:
         ssh = paramiko.SSHClient()
         ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
         ssh.connect(ip,port,user,passwd)
         stdin, stdout, stderr = ssh.exec_command(cmd)
         result = stdout.read()
         print result
         ssh.close()
     except:
         print "ssh_cmd err."
     return result