You don't have to ditch Ubuntu right away. You can install the nix package manager on any Linux distro (and I think also *BSD and MacOS). That way you can play

You don't have to ditch Ubuntu right away. You can install the nix package manager on any Linux distro (and I think also *BSD and MacOS). That way you can play around with it first. You won't get the full power of NixOS but it's a good way to get started.