NIX OS: the BEST package manager on the MOST SOLID Linux distribution
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Seems like this distro is getting a lot of traction recently. Has anyone tried it? Is it any good?

  • doomkernel@sopuli.xyzEnglish
    1·
    1 year ago

    Being using it for almost 2 years. Was very weird at the beginning because of the “declarative” approach they used. But once you get used to it… Its a life changer.

      • polite_cat@lemmy.worldEnglish
        3·
        1 year ago

        Your whole system is defined in a file called configuration.nix. This file describes everything about your system: all packages installed, which Desktop Environment / Window Manager to use, and also configuration for almost everything (e.g. zsh or neovim). When “switching” (which is basically installing/updating the system), Nix looks at the configuration and changes your system according to what you’ve declared in the configuration.nix, installing or uninstalling packages for instance.

        So, the state of your system is “declared” in a single file, which can be tracked in git or backed up wherever. If you have mulitple systems, you can also share parts of your config between them, which makes configuring and customizing stuff a lot easier.

        There are a lot of other aspects, but thats the basic gist of it

        • saba@lemmy.mlEnglish
          1·
          1 year ago

          Is it a big learning curve? Is this the emacs equivalent of OS configuration/installation?

          edit: another question - Could I play around with it by installing in qemu and if I like that, take my configuration.nix from qemu and install it as my main OS?

          • polite_cat@lemmy.worldEnglish
            1·
            1 year ago

            I’d say it’s a pretty steep curve unfortunately, and nixOS is also not perfect, mind you

            • The nix language (that is used for the configuration) itself has sometimes weird syntax. It’s also a proper functional programming languages with all bells ans whistles that brings
            • The documentation is less than ideal (to put it mildley). Most of the times you need to search reddit (rip) and the forums to find how to do certain things.
            • Nix is not FHS compliant. Basically everything is a symlink to some file in the nix store, located in /nix. Packages installed with nix are patched to work that way, but things not installed with it might not run out of the box

            As for trying it out, yeah copying the config from the vm should work (except for maybe some hardware-specific stuff). remember to backup your stuff just in case lol

          • Atemu@lemmy.mlEnglish
            1·
            1 year ago

            Could I play around with it by installing in qemu and if I like that, take my configuration.nix from qemu and install it as my main OS?

            Absolutely. That’s how I got started ;)

            If you install Nix (the package manager) on your current system, you can actually directly build a vm from a config file via nixos-rebuild build-vm.

        • Hikiru@lemmy.mlEnglish
          0·
          1 year ago

          That sounds really cool… so you could just take that file, do a clean install of nix, then put that file back and it’ll install all your old packages and stuff?

      • doomkernel@sopuli.xyzEnglish
        3·
        1 year ago

        Oh my bad. Yeah you can configure almost anything in a declarative way on the /etc/nixos/configuration.nix file:

        services.xserver.enable = true;
services.xserver.displayManager.gdm.enable = true;

        Or

        services.xserver = {
  enable = true;
  display manager.gdm.enable = true;
};

        You can define a lot more (programs, users) and then you build the config file to take effect. By default NixOS is immutable so you can’t change anything in the root partition and if there is something that broke you can rollback to a previous build!

  • Triton@lemm.eeEnglish
    1·
    1 year ago

    I’ve been using it for around a year and really like it so far. It is however very different from almost every other linux distro, so I would think carefully about it before switching. If you’re not prepared to invest significant time and/or don’t really care about the advantages of NixOS, you should stay away from it.

    Pros of NixOS:

    • Declarative configuration: This is probably the main selling point. The whole system configuration and installed packages are neatly in one place. Using home-manager, this can also replace config files for many programs. All of this is especially useful if you share that configuration between multiple devices.
    • System rollbacks: If something breaks, simply boot into the previous generation.
    • Very customizable system: You can freely choose your desktop environment & basic system packages.

    Pros of Nix in general (you don’t need to install NixOS for this):

    • Huge package repository (also very up-to-date if you want to use the unstable channel)
    • Consistent developer environments that can easily be shared

    Cons of Nix & NixOS:

    • Very steep learning curve: You essentially have to learn (the basics of) the Nix programming language.
    • There are often many ways to do things without any clear recommendation: Channels / Flakes, whether nix-env should be used, etc.
    • The documentation isn’t always great (although it is improving)
    • If something is not packaged in nixpkgs, it can be difficult to run it, since NixOS doesn’t follow the Filesystem Hierarchy Standard. There are some tools to run flatpaks, appimages and arbitrary executables, but especially the later might not always work out of the box.