通过 python ssh库连接并发送命令给设备

import paramiko

import time

hostname = '192.168.248.156'

port = 22

user = 'zhou'

passwd = ''

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

s = paramiko.SSHClient()

s.set_missing_host_key_policy(paramiko.AutoAddPolicy())

s.connect(hostname=hostname, port=port, username=user, password=passwd)

#get time before reboot

stdin, stdout, stderr = s.exec_command('date', timeout=5)

print "time before reboot:" + stdout.readline()

#reboot

stdin, stdout, stderr = s.exec_command('reboot', timeout=5)

stdin.write('')

stdin.flush()

for i in range(10):

   s.connect(hostname=hostname, port=port, username=user, password=passwd)

   time.sleep(30)

stdin, stdout, stderr = s.exec_command('date', timeout=5)

print "time after reboot:" + stdout.readline()

s.close()