{
  config,
  lib,
  pkgs,
  nixpkgs,
  
  #params
  #enableBios ? true,
  #enableEfi ? true,
  #enableUsb ? true,

  ...
}:

#with lib;

{
  imports = [
    (nixpkgs + "/nixos/modules/installer/cd-dvd/iso-image.nix")
  ];

  fileSystems = lib.mkImageMediaOverride config.lib.isoFileSystems;# // {
  #  "/".device = lib.mkForce "/dev/disk/by-label/NIXOS_ISO";
  #  "/nix/.ro-store".device = lib.mkForce "/sysroot/iso/nix-store.squashfs";
  #};

  isoImage = {
    isoName = "Spacebar-Selfhosting-Kit-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}.iso";

    makeEfiBootable = false;
    makeUsbBootable = false;
    makeBiosBootable = true;
  };
  

  boot.supportedFilesystems = lib.mkForce [ ]; 
  hardware.enableRedistributableFirmware = lib.mkForce false;
  #environment.systemPackages = lib.mkForce [  ];
  documentation.enable = lib.mkForce false;
  documentation.nixos.enable = lib.mkForce false;
  networking.wireless.enable = lib.mkForce false;

  system.extraDependencies = lib.mkForce [];

  boot = {
    loader = {
      grub.memtest86.enable = false;
      #systemd-boot.enable = true;
      grub.enable = false;
      timeout = lib.mkForce 1;
    };

    #kernelPackages = pkgs.linuxPackages_latest;
    systemdExecutable = "${pkgs.systemd}/bin/init";

    enableContainers = lib.mkForce false;
  };


  #perlless profile
  system.switch.enable = lib.mkForce false;

  # Remove perl from activation
  #system.etc.overlay.enable = lib.mkForce true;
  #systemd.sysusers.enable = lib.mkForce true;

  # Random perl remnants
  programs.less.lessopen = lib.mkForce null;
  programs.command-not-found.enable = lib.mkForce false;
  environment.defaultPackages = lib.mkForce [ ];
  documentation.info.enable = lib.mkForce false;
  documentation.man.enable = false;

  system = {
    #activatable = false;
    copySystemConfiguration = false;
    includeBuildDependencies = false;
    disableInstallerTools = lib.mkForce true;
    build = {
      separateActivationScript = true;
    };
  };

  nix.enable = false;
  networking.firewall.enable = false;
  networking.networkmanager.enable = false;
  systemd.coredump.enable = false;
  services.timesyncd.enable = false;
  
  services.nscd.enableNsncd = false;
  networking.dhcpcd.enable = false;
  services.udev.enable = false;
  services.nscd.enable = false;
  system.nssModules = lib.mkForce [];

  systemd.oomd.enable = false;
  #services.getty = {
  #  autologinUser = "root";
  #  loginProgram = "${pkgs.bash}/bin/bash";
  #  loginOptions = "--login";
  #};

  security = {
    loginDefs = {
      settings = {
        ENCRYPT_METHOD = "MD5";
      };
    };
    sudo.enable = false;
  };

  nixpkgs.overlays = [
    (import ./overlays/systemd-overlay.nix)
    (import ./overlays/grub-overlay.nix)
  ];

  services.lvm.enable = lib.mkForce false;
  boot.initrd.services.lvm.enable = lib.mkForce false;
  boot.initrd.systemd.suppressedUnits = [
    "systemd-hibernate-clear.service"
  ];
  
  systemd.suppressedSystemUnits = [
    "systemd-hibernate-clear.service"
    "systemd-bootctl@.service"
    "systemd-bootctl.socket"
  ];
}