python ssh之paramiko模組使用

1.安裝:

sudo pip install paramiko

2.連線到linux伺服器

方法一:

#paramiko.util.log_to_file('ssh.log') #寫日誌檔案

client = paramiko.sshclient()
client.set_missing_host_key_policy(paramiko.autoaddpolicy()) #允許連線不在~/.ssh/known_hosts檔案中的主機
client.connect('ip',22, 'username','password') #指定ip位址,埠,使用者名稱和密碼進行連線

方法二:

transport = paramiko.transport(('ip', port)) #獲取連線

transport.connect(username='username',password='password')
ssh = paramiko.sshclient()
ssh._transport = transport

# coding=utf-8

import paramiko
class sshconnection(object):
def __init__(self, host, port, username, password):
self._host = host
self._port = port
self._username = username
self._password = password
self._transport = none
self._sftp = none
self._client = none
self._connect() # 建立連線
def _connect(self):
transport = paramiko.transport((self._host, self._port))
transport.connect(username=self._username, password=self._password)
self._transport = transport
def download(self, remotepath, localpath):
if self._sftp is none:
self._sftp = paramiko.sftpclient.from_transport(self._transport)
self._sftp.get(remotepath, localpath)
#上傳def put(self, localpath, remotepath):
if self._sftp is none:
self._sftp = paramiko.sftpclient.from_transport(self._transport)
self._sftp.put(localpath, remotepath)
#執行命令
def exec_command(self, command):
if self._client is none:
self._client = paramiko.sshclient()
self._client._transport = self._transport
stdin, stdout, stderr = self._client.exec_command(command)
data = stdout.read()
if len(data) > 0:
print data.strip() #列印正確結果
return data
err = stderr.read()
if len(err) > 0:
print err.strip() #輸出錯誤結果
return err
def close(self):
if self._transport:
self._transport.close()
if self._client:
self._client.close()
if __name__ == "__main__":
conn = sshconnection('192.168.87.200', 22, 'username', 'password')
localpath = 'hello.txt'
remotepath = '/home/hupeng/workspace/python/test/hello.txt'
print 'downlaod start'
conn.download(remotepath, localpath)
print 'download end'
print 'put begin'
conn.put(localpath, remotepath)
print 'put end'
conn.exec_command('whoami')
conn.exec_command('cd workspace/python/test;pwd') #cd需要特別處理
conn.exec_command('pwd')
conn.exec_command('tree workspace/python/test')
conn.exec_command('ls -l')
conn.exec_command('echo "hello python" > python.txt')
conn.exec_command('ls hello') #顯示錯誤資訊
conn.close()

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