test

system/networking/default.nix

@@ -0,0 +1,16 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  networking.interfaces = {
+    enp0s31f6 = {};
+    wlp4s0 = {};
+  };
+
+  networking.networkmanager.enable = true;
+}

system/system.nix

@@ -9,5 +9,6 @@
     ./services/services.nix
     ./fonts/fonts.nix
     ./hardware/hardware.nix
+    ./networking/default.nix
   ];
 }