this post was submitted on 17 Apr 2025
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While it sounds sexy and attractive... Not sure the amount of time needed to configure your NixOS is worthwhile. (Except if you have time to spare and want that learning experience !)
Just put everyhting In your personal notes and you have a similar "feature"?
The configuration of nix is not the time consuming part, most of the time it's faster than other distro if you are a developer. The time consuming part is having an issue with a niche package, the only doc you have is the code and random github issue from 3 years ago that don't mirror your config, and the nix evaluation doesn't tell you which part of the config is the problem.
Perhaps, but when I accidentally nuked my system by dd'ing to one of the hard drives, being able to install the exact same system back onto it by pointing the installer to my git repository was an excellent experience.
Is the restoration method mentioned here really only achievable via nixos? How can you be so confident that you are truly reobtaining an "exact same system"?
Nixos consistently intrigues me because of what it seems to be accomplishing but I can never dive in because there seems to also be many warnings about the investment required and the potential for other more complicated and really nuanced drawbacks to arise.
Give it to me straight--is it offering a new approach of stability with the emphasis on reproducibility? If I'm a gentoo enjoyer hardset in my ways, what could I stand to gain in the nixos/guix realm?
Your personal files e.g. ~/Documents are not recreated, you'll still need backups of those.
caveats are you've got to use:
But all this can be written in the one flake, so yes
nixos-install --flake <GIT URL>#<HOSTNAME>Is sufficient for me to rebuild my desktop, laptop or server from the same repository.I've never used Gentoo, and I'm sure there are other methods of achieving the same level of reproducibility but I don't know what they are.
Nixos can be as modifiable as Gentoo with the caveat being it's a massive pain in the ass to do some things. I have a flake for making aarch64-musl systems which has been an endeavour, and... It works? I have a running system that works on 2 different SoCs. I do have to compile everything quite often though.
There are efforts to recreate Nixos without systemd, but that's a huge effort; because it's very "infrastructure as code", you have to change a lot of code where editing a build script would've sufficed on arch/Gentoo.
As for nix vs guix, guix was described to me as "if you only ever want to write in scheme", whereas nix feels much more like a means to an end with practical compromises spattered throughout.
Yeah can't argue against that, never tried NixOS !