networkd for the nuc

hosts/nuc/default.nix

@@ -1,20 +1,15 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
-
 { config, pkgs, ... }:
-
 {
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
   imports =
     [
       # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ./modules/networks
       ../../shared/vim.nix
       # ../../shared/sops.nix
     ];
 
-  # Use the systemd-boot EFI boot loader.
   boot = {
     loader.systemd-boot.enable = true;
     loader.efi.canTouchEfiVariables = true;
@@ -24,8 +19,6 @@
   services.zfs.autoScrub.enable = true;
   services.zfs.autoSnapshot.enable = true;
 
-  networking.hostName = "nuc"; # Define your hostname.
-  networking.hostId = "795a4952";
 
   time.timeZone = "Europe/Berlin";
 
@@ -48,7 +41,6 @@
       user.email = "rouven@rfive.de";
     };
   };
-  # List services that you want to enable:
 
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;

hosts/nuc/modules/networks/default.nix

@@ -0,0 +1,21 @@
+{ config, ... }:
+{
+  networking = {
+    hostName = "nuc"; # Define your hostname.
+    hostId = "795a4952";
+    useNetworkd = true;
+  };
+  systemd.network = {
+    enable = true;
+    networks."10-loopback" = {
+      matchConfig.Name = "lo";
+      linkConfig.RequiredForOnline = false;
+    };
+    networks."10-wired" = {
+      matchConfig.Name = "eno1";
+      networkConfig = {
+        DHCP = "yes";
+      };
+    };
+  };
+}

hosts/thinkpad/modules/networks/default.nix

@@ -37,6 +37,7 @@
     wait-online.anyInterface = true;
     networks."10-loopback" = {
       matchConfig.Name = "lo";
+      linkConfig.RequiredForOnline = false;
     };
     networks."10-wired" = {
       matchConfig.Name = "enp0s31f6";