python paramiko使用
paramiko 安装1
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yum install python-paramiko -y
yum install openssh-server openssh-clients -y
报错
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Traceback (most recent call last):
File "ssh.py", line 10, in <module>
ssh.connect(hostname=hostname,port=port,username=username,password=password)
File "/usr/lib/python2.6/site-packages/paramiko/client.py", line 306, in connect
self._policy.missing_host_key(self, hostname, server_key)
File "/usr/lib/python2.6/site-packages/paramiko/client.py", line 83, in missing_host_key
raise SSHException('Unknown server %s' % hostname)
paramiko.SSHException: Unknown server 192.168.2.11
解决方法一
1、创建 ~/.ssh/known_hosts
2、远程连接一次
eg
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#!/usr/bin/env python
import paramiko
hostname='192.168.2.11'
username='root'
password='oracle'
port=22
ssh=paramiko.SSHClient()
ssh.load_system_host_keys()
ssh.connect(hostname=hostname,port=port,username=username,password=password)
stdin,stdout,stderr=ssh.exec_command('ls /')
print stdout.read()
ssh.close()
解决方法二
将ssh.load_system_host_keys()替换为set_missing_host_key_policy(paramiko.AutoAddPolicy())
eg
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#!/usr/bin/env python
import paramiko
hostname='10.13.106.36'
port=22
username='root'
password='centos'
if __name__=='__main__':
paramiko.util.log_to_file('paramiko.log')
s=paramiko.SSHClient()
s.set_missing_host_key_policy(paramiko.AutoAddPolicy())
s.connect(hostname,port,username,password)
stdin,stdout,stderr=s.exec_command('ifconfig')
print stdout.read()
s.close()
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