It is a simple fire-and-forget tool that will make your life so much simpler. Not only can you run simple tasks via SSH on multiple machines, but since you're using Python code to execute items, you ...

Crooks are apparently using brute-force attacks against Linux systems that feature exposed SSH ports. If they guess the password, they use Python scripts to install a Monero miner.

That’s right, using the combination of SCP, SSH key authentication, and ssh-agent works well. This will keep you from having to type that SSH key password every time you issue the SCP command.

Conclusion: the SSH/Python/Expect combination is useful for downloading files from all the remote computers we have. It is a solid and reliable technology that will be used in future projects at CHE.