How to properly manage ssh keys for server access

Every developer needs access to some servers for example to check the application logs. Usually, this is done using public-private key encryption where each developer generates their own public-private key pair. The public keys of each developer are added to the authorized_keys file on each server they should have access to. Painful manual changes So far so good. However, what happens when one developer leaves the company? In that case, the public keys of that developer should be removed from all servers.
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Bash: Keep Script Running - Restart on Crash

When you are prototyping and developing small scripts that you keep running, it might be annoying that they quit when an error occurs. If you want very basic robustness against these crashes, you can at least use a bash script to automatically restart your script on error. The tool to use here is called until and makes this a breeze. Let’s use a dumb example Python script called import time while True: print('Looping') time.
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