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How to use the paramiko module for SSH client programming in Python 2.x
How to use the paramiko module for SSH client programming in Python 2.x
How to use the paramiko module for SSH client programming in Python 2.x
Overview:
paramiko is an SSHv2 protocol implementation for the Python programming language. It provides a high-level API that makes it easy to write client and server-side applications for the SSH2 protocol. In this article, we will learn how to write an SSH client application in Python 2.x using the paramiko module.
Install paramiko:
Before you start writing code, you first need to install the paramiko module. Execute the following command in the command line to install paramiko:
pip install paramiko
Writing SSH client code:
The following is a simple example that demonstrates how to use the paramiko module to establish an SSH connection and perform some basic operations , such as uploading and downloading files:
import paramiko
# 创建SSH客户端对象
client = paramiko.SSHClient()
# 自动接受SSH远程主机的公钥
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# 连接SSH服务器
client.connect('your_ssh_server_ip_address', port=22, username='your_username', password='your_password')
# 执行命令
stdin, stdout, stderr = client.exec_command('ls')
print(stdout.read())
# 上传文件
sftp = client.open_sftp()
sftp.put('local_file_path', 'remote_file_path')
sftp.close()
# 下载文件
sftp = client.open_sftp()
sftp.get('remote_file_path', 'local_file_path')
sftp.close()
# 关闭SSH连接
client.close()In the above code, we first create an SSHClient object. Then, set up to automatically accept the public key of the SSH remote host. Next, connect to the SSH server by calling the connect() method. After this, we can execute commands by calling the exec_command() method and upload and download files by calling the open_sftp() method. Finally, we close the SSH connection by calling the close() method.
It should be noted that when using the exec_command() method to execute a command, it will return a triplet of stdin, stdout and stderr. The output of the command can be obtained by calling the read() method.
Summary:
In this article, we introduced how to use the paramiko module to write an SSH client application in Python 2.x. By using paramiko, we can easily connect to the SSH server and execute commands, upload and download files, etc. The paramiko module provides a convenient API that makes writing SSH client applications easier and more efficient.
Reference link:
- [paramiko official website](http://www.paramiko.org/)
The above is the detailed content of How to use the paramiko module for SSH client programming in Python 2.x. For more information, please follow other related articles on the PHP Chinese website!
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