{ config, lib, pkgs, modulesPath, desktop, username, ... }: {
  # Distributed Builds
  nix.distributedBuilds = true;
  nixpkgs.config.allowUnfree = false;

  boot.initrd.availableKernelModules = [ "ata_piix" "ohci_pci" "virtio_pci" "virtio_blk" "sr_mod" ];
  boot.initrd.kernelModules = [ ];
  boot.kernelModules = [ "iptable_nat" "iptable_filter" "xt_nat" ];
  boot.extraModulePackages = [ ];
  virtualisation.hypervGuest.enable = true;

  networking.useDHCP = lib.mkDefault true;
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  time.timeZone = "Asia/Tokyo";
  networking.hostName = "nixos-linode-img";
  
  networking.firewall.allowedTCPPorts = [ 22 ];
}