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this post was submitted on 15 Oct 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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I am no expert. But I think there is an 'easier' way too manage this with an overlay filesystem.
Have an immutable base with all permissions set. When a session is started have it be done in an in-memory overlay. On logout drop the overlay.
This might be easier if you don't want to rely on cronjobs. But as I have no experience myself setting this up... 'easier' should be taken with a grain of salt. I just took inspiration from docker.
True keeping it all in memory, especially as it would be of limited size, could be a good solution. That being said a single script and cron job is rather "easy" IMHO.
You are correct. I just have a coworker that has ingrained the philosophy in me to always look for a way to put it in configuration, and not in a script that you have to maintain.
I don't always agree with that. And I find your solution as valid as mine. It is always a matter of taste and trust. In this case in the script, or the fsdriver. That's why I always quote the "easier" when comparing solutions to Linux problems.