this post was submitted on 15 Jun 2024
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Debian is a great choice. I'm on Debian and it is solid.
I do have one I like better: I'm transitioning to Fedora IoT from Debian for my homelab stuff. I like using their atomic desktop distros, I want to understand them better, and it seems like a great combination of recent kernel and system stability.
Interesting I hadn't heard of these "atomic" distros. There isn't really much description of what exactly is atomic about them though - all you get is "The whole system is updated in one go". Can you explain it?
It works similarly to Android and iOS. The system partition is read-only, and each new system update is applied as a new system partition image. All user apps are kept separate from the system and are sandboxed.
I believe the "atomic" action is updating the kernel and all the base packages together such that either the whole thing succeeds or the existing system is unchanged. If the system update is atomic, you cannot be stuck in a partially updated state with new versions of some packages and previous versions of others. Naturally something like that lends itself to making rollbacks easier if it does break, much easier than trying to undo an update on a more traditional distro where they do the update in place.