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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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Are there any things in Linux that need to be started over from scratch? (lemmy.ca)

submitted 7 months ago by [email protected] to c/[email protected]

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I'm curious how software can be created and evolve over time. I'm afraid that at some point, we'll realize there are issues with the software we're using that can only be remedied by massive changes or a complete rewrite.

Are there any instances of this happening? Where something is designed with a flaw that doesn't get realized until much later, necessitating scrapping the whole thing and starting from scratch?

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[–] [email protected] 2 points 7 months ago* (last edited 7 months ago)

Right now overlays requires elevated privilèges, but ideally it shouldn't. Rewriting the Linux kernel to implement per user namespaces like plan9 does would allow unprivileged actions from any user (just like if any user was sitting in a container, overlayed from the base system).

I know we're not there, and that's not the direction development is going, but this thread is about dreams, right ? 😉

About the XDG specs, they serve a totally different purpose so they're out of the discussion IMO. I'm not advocating against env variables. Just $PATH which is a workaround as I see it, but your mileage may vary. As for your "issue" with steam, of course this is the best way to solve it. Because of today's OS limitation. My point is that with a better designed namespacing implementation, there would be more elegant solutions to solve it (and would get rid of the need to use LD_LIBRARY_PATH too, or literally any *_PATH env variable)