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Automatic updates: a cautionary tale (tarneo.fr)

submitted 2 years ago* (last edited 2 years ago) by tarneo@lemmy.ml to c/selfhost@lemmy.ml

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Tl;dr: Automatic updates on my home server caused 8 hours of downtime of all of renn.es' docker services including email and public websites

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[–] thisisawayoflife@lemmy.world 2 points 2 years ago (1 children)

What is the reason to shy away from Ubuntu? It is pretty solid in terms of automatic updating and rebooting. I used to be hardcore centos but I gave up after all of the hubbub around 8. I just need to server to update, reboot when necessary and keep running all my stuff so I don't have to touch it. In my old age, I don't care to tinker anymore - I just want my services running and I want reports given to me about health and status.

Also, if you're concerned about privilege escalation, running a MAC is probably a good idea. SELinux saved my hide one a dozen years ago with a php bug where I did not sandbox an app properly. Thankfully, SELinux caught this and prevented anything bad from happening.

[–] tarneo@lemmy.ml 1 points 2 years ago (1 children)

what is the reason you shy away from ubuntu? Canonical. Snaps. Ubuntu is the first server OS I used, and while it was quite good I think I prefer using a base distrobox instead of a derivative. If I'm going to use Debian, I'll use Debian. Not Debian with corporate stuff on top.

As for SELinux: I've tried around a year ago. But as soon as I started doing stuff with users and tweaking docker permissions things went wrong and I just set it to permissive. Maybe I'll try that again soon, because other parts of managing servers have become much easier over time as I learned. I agree that having a server without SELinux is quite dumb and not very professional.

[–] thisisawayoflife@lemmy.world 1 points 2 years ago

Permissive mode is definitely a life saver. My path was usually exercising the application in permissive mode for a few days then running the SELinux scanner on the log file to determine what roles needed to be setup. Same with the Debian/Ubuntu equivalent.

Good luck!