Add networking and hardware-configuration modules

modules/hardware-configuration.nix

@@ -0,0 +1,24 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "usbhid" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/44444444-4444-4444-8888-888888888888";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
+}

modules/networking.nix

@@ -0,0 +1,40 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # Assign a static IP
+  networking = {
+    hostName = "aegis";
+    hostId = "78bb604d";
+    interfaces.eth0 = {
+      useDHCP = false;
+      ipv4.addresses = [{
+        address = "10.0.1.4";
+        prefixLength = 24;
+      }];
+    };
+    defaultGateway = {
+      address = "10.0.1.1";
+      interface = "eth0";
+    };
+    nameservers = [ "1.1.1.1" "8.8.8.8" ];
+    enableIPv6 = false;
+  };
+
+  # Enable zeroconf
+  services.avahi = {
+    enable = true;
+    nssmdns = true;
+    publish = {
+      enable = true;
+      addresses = true;
+      domain = true;
+    };
+  };
+
+  # Firewall configuration
+  networking.firewall = {
+    allowedTCPPorts = [ ];
+    allowedUDPPorts = [ ];
+  };
+
+}