Python: Create a persistent ssh session. os.system () or use a module

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Create a persistent SSH session in Python using Paramiko for a safer and more reliable approach

intermediate Published 24 Aug 2026

Action Steps

Install the Paramiko library using pip: Run `pip install paramiko` to install the required library
Import the Paramiko library: Use `import paramiko` to import the library in your Python script
Establish a persistent SSH session: Use `ssh = paramiko.SSHClient()` and `ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())` to create a persistent SSH session
Connect to the SSH server: Use `ssh.connect(hostname, username, password)` to connect to the SSH server
Execute commands on the SSH server: Use `stdin, stdout, stderr = ssh.exec_command(command)` to execute commands on the SSH server

Who Needs to Know This

Developers and system administrators who need to manage multiple SSH sessions can benefit from this approach, as it provides a more secure and efficient way to handle SSH connections

Key Insight

💡 Using Paramiko is a safer and more reliable approach than using os.system() for creating a persistent SSH session

Full Article

I want to write a program that will manage an ssh login for multiple servers. Currently I can get it to work by running os.system("ssh and the rest of the login stuff"). But I wasn't sure if it was a good option since it relies on calling a system command. I was thinking of using paramiko, but was having issues setting up a persistent session as if I just logged in with the ssh command. I want to go the safest route and am not sure how safe using os.syst

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Python: Create a persistent ssh session. os.system () or use a module

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