#############################################################安装paramiko

[root@LVS1 ~]# yum install gcc

[root@LVS1 ~]#tar -zxvf pycrypto-2.6.1.tar.gz#https://pypi.python.org/pypi/pycrypto

[root@LVS1 ~]#cd pycrypto-2.6.1

[root@LVS1 pycrypto-2.6.1]#python setup.py install

[root@LVS1 ~]# yum install python-devel

[root@LVS1 ~]#tar -zxvf paramiko-1.10.1.tar.gz#https://pypi.python.org/pypi/paramiko

[root@LVS1 ~]#cd paramiko-1.10.1

[root@LVS1 paramiko-1.10.1]# python setup.py install

[root@LVS1 demos]# python demo.py 192.168.1.10#测试

##################################################################使用密码登陆

#!/usr/bin/env python

#coding=utf-8

import paramiko

#远程服务器

hostname ='192.168.1.10'

#端口

port=22

#用户名

username='root'

#密码?

password = '123456'

#创建SSH连接日志文件（只保留前一次连接的详细日志，以前的日志会自动被覆盖

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

s = paramiko.SSHClient()

#允许连接不在know_hosts文件中的主机

s.set_missing_host_key_policy(paramiko.AutoAddPolicy())

#建立SSH连接

s.connect(hostname,port,username,password)

stdin,stdout,stderr=s.exec_command('top -bn 1')

#打印标准输出

print stdout.read()

s.close()

#########################################################使用key登陆

#!/usr/bin/env python

#coding=utf-8

import paramiko

hostname ='192.168.1.11'

port=22

username='root'

key_file='/root/.ssh/id_rsa'

key=paramiko.RSAKey.from_private_key_file(key_file)

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

s = paramiko.SSHClient()

s.set_missing_host_key_policy(paramiko.AutoAddPolicy())

s.load_system_host_keys()

s.connect(hostname,port,username,pkey=key)

stdin,stdout,stderr=s.exec_command('df -m')

print stdout.read()

print stderr.read()

s.close()

########################################手动输入命令多次执行

#!/usr/bin/env python

#coding=utf-8

import paramiko

hostname ='192.168.1.11'

port=22

username='root'

key_file='/root/.ssh/id_rsa'

key=paramiko.RSAKey.from_private_key_file(key_file)

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

s = paramiko.SSHClient()

#s.set_missing_host_key_policy(paramiko.AutoAddPolicy())

s.load_system_host_keys()

s.connect(hostname,port,username,pkey=key)

while True:

        cmd=raw_input('cmd:')

        if cmd=='quit':break

        stdin,stdout,stderr=s.exec_command(cmd)

        print stdout.read()

        print stderr.read()

s.close()