Installation References:
- https://grahamc.com/blog/nixos-on-dell-9560
- https://gist.github.com/martijnvermaat/76f2e24d0239470dd71050358b4d5134
$ nix-store --add-fixed sha256 Input-Font.zip $ nix-channel --add https://github.com/nix-community/home-manager/archive/release-20.09.tar.gz home-manager $ nix-channel --update $ nix-shell '' -A install # May require relog