{ host, ... }: { networking = { networkmanager.enable = true; hostName = if (host == "desktop") then "argon" else "mercury"; hosts = { "192.168.1.163" = [ "glasshaus" ]; "192.168.1.111" = [ "argon" ]; "192.168.1.223" = [ "mercury" ]; }; firewall = { enable = true; allowedTCPPorts = [ 30000 ]; }; }; }