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python?paramiko連接ssh實現命令_python

作者：wangfeng7399 ? 更新時間： 2022-09-21 編程語言

paramiko

paramiko是一個用于做遠程控制的模塊，使用該模塊可以對遠程服務器進行命令或文件操作，值得一說的是，fabric和ansible內部的遠程管理就是使用的paramiko來現實。

安裝

pip install paramiko

模塊使用

執行命令—用戶名+密碼

#!/usr/bin/env python
#coding:utf-8
import paramiko
# 建立一個sshclient對象
ssh = paramiko.SSHClient()
# 允許將信任的主機自動加入到host_allow 列表，此方法必須放在connect方法的前面
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# 調用connect方法連接服務器
ssh.connect('192.168.1.108', 22, 'alex', '123')
# 執行命令
stdin, stdout, stderr = ssh.exec_command('df')
# 結果放到stdout中，如果有錯誤將放到stderr中
print(stdout.read().decode('utf-8'))
# 關閉連接
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(), pointinfo

paramiko\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_bytes

paramiko\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 依賴 cryptography，而最新的cryptography==2.5里有一些棄用的API。

解決

刪掉cryptography，安裝2.4.2，就不會報錯了。

pip uninstall cryptography

pip install cryptography==2.4.2

執行命令 -秘鑰

import paramiko
private_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('主機名 ', 端口, '用戶名', key)
stdin, stdout, stderr = ssh.exec_command('df')
print(stdout.read().decode("utf-8"))
ssh.close()

上傳下載文件—用戶名密碼

import os,sys
import paramiko
t = 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,sys
import paramiko
t = 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()

上傳下載文件-用戶名秘鑰

import paramiko
pravie_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 paramiko
pravie_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()

原文鏈接：https://blog.51cto.com/wangfeng7399/2376115

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