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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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Why do we hate SELinux? (lemmy.dbzer0.com)

submitted 1 day ago by marauding_gibberish142@lemmy.dbzer0.com to c/linux@lemmy.ml

49 comments fedilink hide all child comments

This is not a troll post. I'm genuinely confused as to why SELinux gets so much of hate. I have to say, I feel that it's a fairly robust system. The times when I had issues with it, I created a custom policy in the relevant directory and things were fixed. Maybe a couple of modules here and there at the most. It took me about 15 minutes max to figure out what permissions were being blocked and copy the commands from. Red Hat's guide.

So yeah, why do we hate SELinux?

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[–] med@sh.itjust.works 2 points 18 hours ago (1 children)

Is it not possible to run it in audit mode in dev and have it tell you what the would have blocked?

[–] digdilem@lemmy.ml 1 points 13 hours ago (1 children)

Permissive mode, and yes, you absolutely can. That shows warnings but doesn't actively block. But you still benefit from running setroubleshoot to actually figure out what and why it's blocked something, and how to mitigate that.

Permissive is also good in that you can get a bunch of blocks reported at once, instead of having to step through one at a time, which can be useful.

[–] med@sh.itjust.works 2 points 8 hours ago

That's what I was thinking, I know the pain of watching something run for ages, only to finally get past where it failed last time and run straight in to another stumbling block.

I don't envy you having to work in an SELinux environment with less than stellar developer understanding of policies and contexts.