paramiko是一个用于做远程控制的模块，使用该模块可以对远程服务器进行命令或文件操作，值得一说的是，fabric和ansible内部的远程管理就是使用的paramiko来现实。

pip install paramiko模块使用执行命令—用户名+密码

#!/usr/bin/env python#coding:utf-8import paramiko# 建立一个sshclient对象ssh = paramiko.SSHClient()# 允许将信任的主机自动加入到host_allow 列表，此方法必须放在connect方法的前面ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())# 调用connect方法连接服务器ssh.connect('192.168.1.108', 22, 'alex', '123')# 执行命令stdin, stdout, stderr = ssh.exec_command('df')# 结果放到stdout中，如果有错误将放到stderr中print(stdout.read().decode('utf-8'))# 关闭连接ssh.close();

paramiko\ecdsakey.py:164: CryptographyDeprecationWarning: Support for unsafe construction of public numbers from encoded data will be removed in a future version. Please use EllipticCurvePublicKey.from_encoded_point self.ecdsa_curve.curve_class(), pointinfoparamiko\kex_ecdh_nist.py:39: CryptographyDeprecationWarning: encode_point has been deprecated on EllipticCurvePublicNumbers and will be removed in a future version. Please use EllipticCurvePublicKey.public_bytes to obtain both compressed and uncompressed point encoding. m.add_string(self.Q_C.public_numbers().encode_point())paramiko\kex_ecdh_nist.py:96: CryptographyDeprecationWarning: Support for unsafe construction of public numbers from encoded data will be removed in a future version. Please use EllipticCurvePublicKey.from_encoded_point self.curve, Q_S_bytesparamiko\kex_ecdh_nist.py:111: CryptographyDeprecationWarning: encode_point has been deprecated on EllipticCurvePublicNumbers and will be removed in a future version. Please use EllipticCurvePublicKey.public_bytes to obtain both compressed and uncompressed point encoding. hm.add_string(self.Q_C.public_numbers().encode_point())原因

paramiko 2.4.2 依赖 cryptography，而最新的cryptography==2.5里有一些弃用的API。

删掉cryptography，安装2.4.2，就不会报错了。

pip uninstall cryptographypip install cryptography==2.4.2执行命令 -秘钥

import paramikoprivate_key_path = '/home/auto/.ssh/id_rsa'key = paramiko.RSAKey.from_private_key_file(private_key_path)ssh = paramiko.SSHClient()ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())ssh.connect('主机名 ', 端口, '用户名', key)stdin, stdout, stderr = ssh.exec_command('df')print(stdout.read().decode("utf-8"))ssh.close()上传下载文件—用户名密码

import os,sysimport paramikot = paramiko.Transport(('182.92.219.86',22))t.connect(username='derek',password='123')sftp = paramiko.SFTPClient.from_transport(t)sftp.put('/tmp/test.py','/tmp/test.py') t.close()import os,sysimport paramikot = paramiko.Transport(('182.92.219.86',22))t.connect(username='derek',password='123')sftp = paramiko.SFTPClient.from_transport(t)sftp.get('/tmp/test.py','/tmp/test2.py')t.close()

上传下载文件-用户名秘钥

import paramikopravie_key_path = '/home/auto/.ssh/id_rsa'key = paramiko.RSAKey.from_private_key_file(pravie_key_path)t = paramiko.Transport(('182.92.219.86',22))t.connect(username='derek',pkey=key)sftp = paramiko.SFTPClient.from_transport(t)sftp.put('/tmp/test3.py','/tmp/test3.py') t.close()import paramikopravie_key_path = '/home/auto/.ssh/id_rsa'key = paramiko.RSAKey.from_private_key_file(pravie_key_path)t = paramiko.Transport(('182.92.219.86',22))t.connect(username='derek',pkey=key)sftp = paramiko.SFTPClient.from_transport(t)sftp.get('/tmp/test3.py','/tmp/test4.py') t.close()