{
  lib,
  this,
  ...
}:
with lib; {
  nixfiles.modules = {
    wireguard.client.enable = true;

    syncthing.enable = true;

    acme.enable = true;

    rtorrent.enable = true;
  };

  networking = let
    interface = "eth0";
  in {
    interfaces.${interface} = {
      ipv4.addresses = [
        {
          inherit (this.ipv4) address;
          prefixLength = 24;
        }
      ];

      ipv6.addresses = [
        {
          inherit (this.ipv6) address;
          prefixLength = 128;
        }
      ];
    };

    defaultGateway = {
      inherit interface;
      address = this.ipv4.gateway;
    };

    defaultGateway6 = {
      inherit interface;
      address = this.ipv6.gateway;
    };
  };

  boot = {
    loader.grub = {
      enable = true;
      device = "/dev/sda";
    };

    initrd = {
      availableKernelModules = ["uhci_hcd" "ahci"];
      kernelModules = ["nvme"];
    };
  };

  fileSystems."/" = {
    device = "/dev/sda1";
    fsType = "ext4";
    options = ["noatime"];
  };

  swapDevices = [
    {
      device = "/swapfile";
      size = 4 * 1024;
    }
  ];
}