Comment by chuckadams
1 day ago
Just recently started using the desktop machine (under my desk, as opposed to my laptop which sits on my desktop) and put NixOS on it, and found myself pleasantly surprised. There's certainly still some parts of NixOS that require some expertise and getting your head around its package model, but overall I was surprised at how idiotproof it was to install and use. I mostly play games on it with Steam, which also Just Works.
NixOS is really a profound experience, once you embrace it. I used Arch for ~3 years and ended up reinstalling it maybe 15 times on my desktop alone. Switched to NixOS and I've used the same installation for 3 years, synced with my laptop and server, switching from x11 to Wayland to KDE to GNOME then back again with no problem.
It doesn't feel real sometimes. My dotfiles are modularized, backed up in Github and versioned with UEFI rollback when I update. I might be using this for the rest of my life, now.
I also have the same Arch install from 2014 on my main hardware. Each replacement computer is nothing more then taking the old drive out, placing it into an USB enclosure, booting a USB live, setting up the partitions on the new drive, and _rsync_ the content from the old to the new, finalizing with registering the UEFI boot loader.
One just need to make sure that you use the proper _rsync_ command options to preserve hard links or files will be duplicated.
I've heard of people doing this and I'm really interested in this. Can you recommend a write up on this or further reading?
I personally remember being inspired by Erase your Darlings and Paranoid NixOS Setup back in the day, less for the hardening measures and more because of how great the Nix syntax looked. Huge, monumental ass-pain setups could be scripted away in one or two lines like it was nothing. You could create wildly optimized configurations for your specific use-case, and then divide them into modules so they're portable.
It's not advisable to switch to one of these paranoid configurations outright, but they're a great introduction to the flexibility provided by the NixOS configuration system. I'd also recommend Xe's documentation of Nix Flakes, which can be used on any UNIX-like system including macOS: https://xeiaso.net/blog/nix-flakes-1-2022-02-21/
https://grahamc.com/blog/erase-your-darlings/
https://xeiaso.net/blog/paranoid-nixos-2021-07-18/
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As a counter point I had the same arch install from 2014 until 2024, when I switched to NixOS