Paramiko“未知服务器" [英] Paramiko "Unknown Server"

问题描述

我正在尝试使用Paramiko库，但是一旦尝试连接以下简单程序，该库就会引发异常:

I'm trying to get started with the Paramiko library, but the library is throwing an exception as soon as I try to connect with the following simple program:

import paramiko
ssh = paramiko.SSHClient()
ssh.connect('127.0.0.1', username='boatzart', password='mypassword')

我得到的错误是:

Traceback (most recent call last):
File "test.py", line 6, in <module>
ssh.connect('127.0.0.1')
File "build/bdist.macosx-10.7-intel/egg/paramiko/client.py", line 316, in connect
File "build/bdist.macosx-10.7-intel/egg/paramiko/client.py", line 85, in missing_host_key
paramiko.SSHException: Unknown server 127.0.0.1

无论我尝试使用哪台服务器，都会发生这种情况.

This occurs no matter which server I try.

推荐答案

由于缺少主机密钥而引发了异常，线索很神秘，因为未知服务器"是从missing_host_key

The exception was raised because you are missing a host key, the rather cryptic "Unknown server" is the clue - since the exception was raised from missing_host_key

尝试以下方法:

import paramiko

paramiko.util.log_to_file('ssh.log') # sets up logging

client = paramiko.SSHClient()
client.load_system_host_keys()
client.connect('127.0.0.1', username=username, password=password)
stdin, stdout, stderr = client.exec_command('ls -l')

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