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How do I limit a Ubuntu machine to a Python GUI?

rated 0 times [ 1] [ 0] / answers: 1 / hits: 398 / 1 Year ago, sat, march 4, 2023, 4:20:58

I wrote a python GUI in Tkinter for a time-clock system. The micro machine is wall mounted and the employees only have access to the touchscreen menu I programmed and a barcode swipe. I know how to get the script to start on startup, but how do I prevent them from exiting out or opening other menus? Basically the sole purpose of this console is to run the time-clock GUI.

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1 Year ago

answered 1 Year ago imberst · Accepted Answer

I'd consider replacing the whole frontend with something like nodm. I've already covered the details for this in another answer.

You'd essentially start with Ubuntu Server, layer on a few packages and then create a ~/.xsession script to load your Python application. It's extremely lightweight and users can't mess around with anything else.

If the application crashes or the user finds a way to exit it, nodm will restart and will just load the app back up. Perfect for single-purpose machines.