> Which file? And where in the file do I add those lines? /etc/nixos/configuration.nix if you haven't structured your config differently. > And where in the f

> Which file? And where in the file do I add those lines? /etc/nixos/configuration.nix if you haven't structured your config differently. > And where in the file do I add those lines? Consult `man configuration.nix` or search.nixos.org