Added changes to develop with Jetbot

hosts/reykjavik/default.nix

@@ -15,6 +15,18 @@ in
   user.name = "marc";
   user.shell = pkgs.zsh;
   networking.hostName = "reykjavik";
+  networking.firewall = {
+    enable = true;
+    allowedUDPPortRanges = [
+      # - ROS ------------------------------------
+      # Open ports for ROS 2 DDS
+      # See https://docs.ros.org/en/humble/Concepts/About-Domain-ID.html
+      # Multicast ports for DOMAIN_ID 13
+      { from = 10650; to = 10651; }
+      # Unicast ports for DOMAIN_ID 13 and up to 120 particimants
+      { from = 10660; to = 10890; }
+    ];
+  };
 
   # - Bootloader ---------------------------------
 
@@ -53,6 +65,7 @@ in
       intelBusId = "PCI:0:2:0";
       nvidiaBusId = "PCI:1:0:0";
     };
+    system.gpg.enable = true;
 
     # - Desktop ----------------------------------
     desktop = {