wakeonlan: unicast activity

hosts/snowhawk/configuration.nix

@@ -110,6 +110,20 @@
 
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
+  services.openssh.openFirewall = true;
+
+  services.avahi.enable = true;
+
+  systemd.services.wakeonlan = {
+    description = "reenable wakeonlan every boot";
+    after = [ "network.target" ];
+    serviceConfig = {
+      Type = "simple";
+      RemainAfterExit = "true";
+      ExecStart = "${pkgs.ethtool}/sbin/ethtool -s enp7s0 wol u";
+    };
+    wantedBy = [ "default.target" ];
+  };
 
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];