Ranger

Enabling

To use ranger, add it to configuration.nix:

/etc/nixos/configuration.nix

environment.systemPackages = with pkgs; [
    #----=[ File Manager ]=----#
    ranger
    ...
];

Tip

In order to affect your NixOS system by your nix-language-specific changes you must first evaluate it:

$ nixos-rebuild switch --use-remote-sudo

Adds file glyphs / icon support to Ranger

Follow the instructions in: ranger_devicons But before install it, you have to install a nerdfont derivations. i suggest to install: nur.repos.mic92.source-code-pro-nerdfonts from NUR.