{ config, pkgs, ... }:
{
  nix = {
    settings = {
      auto-optimise-store = true;
      experimental-features = [ "nix-command" "flakes" ];
      trusted-users = [ "root" "@wheel" ];
    };
    gc = {
      automatic = true;
      dates = "weekly";
      options = "--delete-older-than 30d";
    };
  };

  time.timeZone = "US/Pacific";
  i18n.defaultLocale = "en_US.UTF-8";
  services.timesyncd.enable = true;

  environment.systemPackages = with pkgs; [
    vim
    git
    htop
    tmux
    curl
    wget
    jq
    dig
    tcpdump
  ];
}