{ config, lib, pkgs, ... }: {
  imports = [
    <nixpkgs/nixos/modules/installer/scan/not-detected.nix>

    # boot loader
    # -----------
    {
      # Use the systemd-boot EFI boot loader, not grub
      boot.loader.systemd-boot.enable = true;
      boot.loader.efi.canTouchEfiVariables = true;
      #boot.loader.grub = {
      #  device = "/dev/sda";
      #  enable = true;
      #  version = 2;
      #};
    }

    # kernel
    # ------
    {
      boot.initrd.availableKernelModules =
        [ "ehci_pci" "ahci" "usb_storage" "sd_mod" "sdhci_pci" ];
      boot.initrd.kernelModules = [ "dm-snapshot" ];
      boot.kernelModules = [ "kvm-intel" ];
      boot.extraModulePackages = [ ];
    }

    # automount
    # ---------
    (let mediaUUID = "3d106f56-89e5-400d-9d6b-1dd957919548";
    in {
      fileSystems."/media" = {
        device = "/dev/disk/by-uuid/${mediaUUID}";
        fsType = "ext4";
        options = [
          "nofail"
          "noauto"
          #"x-systemd.device-timeout=1ms"
        ];
      };
      systemd.mounts = [{
        enable = true;
        options = "nofail,noauto";
        type = "ext4";
        wantedBy = [ "multi-user.target" ];
        what = "/dev/disk/by-uuid/${mediaUUID}";
        where = "/media";
      }];
    })
  ];

  # NTFS support
  # ------------
  environment.systemPackages = [ pkgs.ntfs3g ];

  # partitions
  # ----------
  fileSystems."/" = {
    device = "/dev/disk/by-uuid/77a3e839-5a80-4777-93c3-31be7f0cb99d";
    fsType = "ext4";
  };
  fileSystems."/boot" = {
    device = "/dev/disk/by-uuid/FBFB-8DA5";
    fsType = "vfat";
  };
  fileSystems."/home" = {
    device = "/dev/disk/by-uuid/192a8bd6-e5f7-4e66-b69e-f3da701da343";
    fsType = "ext4";
  };
  fileSystems."/backup" = {
    device = "/dev/disk/by-uuid/ca895f0e-f932-4a9e-b2ff-a1a488b0953d";
    fsType = "ext4";
  };

  swapDevices = [ ];

  nix.maxJobs = lib.mkDefault 4;

}