Nix Configuration

System Configuration

1 min read

The system configuration is a set of modules that declaratively define system level configuration for stuff like installed drivers, packages needed for all users, networking, etc.

Packages

Packages can be installed without configuration with environment.systemPackages:

{pkgs, ...}: {
	environment.systemPackages = with pkgs; [
		cowsay
	];
}

Configurable Programs

Many packages are available as programs with their own config options handled by nix which are then translated into the native configuration language (JSON, TOML, etc).

  # Enable gnu privacy guard
  # https://gnupg.org/
  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

System settings

There are many system level configuration options available in nix used for many settings from firewalls to display servers.

For example, configuring some locality settings might look like:

  # Set your time zone
  time.timeZone = "Europe/Dublin";
 
  # Set language locale
  i18n.defaultLocale = "en_IE.UTF-8";
 
  # Set keyboard type used
  console = {
    font = "Lat2-Terminus16";
    keyMap = "uk";
  };

A full list of options can be found here.

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