newton: use hard-coded network

nixos/newton/network.nix

@@ -0,0 +1,65 @@
+{ config, lib, pkgs, ... }:
+
+let
+  ifname = "ens18";
+
+  ip4_addr = "38.242.193.132";
+  ip4_mask = "255.255.240.0";
+  ip4_mask_len = 20;
+
+  ip4_gw = "38.242.192.1";
+  ip4_dns = [
+    "79.143.183.251"
+    "79.143.183.252"
+    "213.136.95.10"
+    "213.136.95.11"
+  ];
+
+  ip6_addr = "2a02:c206:3009:3317::1";
+  ip6_mask_len = 64;
+
+  ip6_gw = "fe80::1";
+  ip6_dns = [
+    "2a02:c205:0:0882::1"
+    "2a02:c205:0:0891::1"
+    "2a02:c207:0:0842::1"
+  ];
+in
+{
+  networking = {
+    useDHCP = false;
+
+    nameservers = ip4_dns ++ ip6_dns;
+    search = [
+      "buehler.rocks"
+    ];
+
+    defaultGateway = {
+      address = ip4_gw;
+      interface = ifname;
+    };
+
+    defaultGateway6 = {
+      address = ip6_gw;
+      interface = ifname;
+    };
+
+    interfaces."${ifname}" = {
+      ipv4.addresses = [
+        {
+          address = ip4_addr;
+          prefixLength = ip4_mask_len;
+        }
+      ];
+      ipv6.addresses = [
+        {
+          address = ip6_addr;
+          prefixLength = ip6_mask_len;
+        }
+      ];
+      # Do not use the temporary addresses on this interface
+      # The machine is rather a server
+      tempAddress = "disabled";
+    };
+  };
+}