diff --git a/nix/configuration/hosts/odo/default.nix b/nix/configuration/hosts/odo/default.nix
index 147e253..ff78f4a 100644
--- a/nix/configuration/hosts/odo/default.nix
+++ b/nix/configuration/hosts/odo/default.nix
@@ -17,4 +17,7 @@
 
   # Early KMS
   boot.initrd.kernelModules = [ "amdgpu" ];
+
+  # Mount tmpfs at /tmp
+  boot.tmp.useTmpfs = true;
 }
diff --git a/nix/configuration/hosts/odo/optimized_build.nix b/nix/configuration/hosts/odo/optimized_build.nix
index 22c0ba3..56edc2a 100644
--- a/nix/configuration/hosts/odo/optimized_build.nix
+++ b/nix/configuration/hosts/odo/optimized_build.nix
@@ -7,6 +7,23 @@
 {
   imports = [ ];
 
+  nix.settings.system-features = lib.mkForce [
+    "gccarch-znver4"
+    "gccarch-skylake"
+    # "gccarch-alderlake" missing pkgwait
+    "gccarch-x86-64-v3"
+    "benchmark"
+    "big-parallel"
+    "kvm"
+    "nixos-test"
+  ];
+
+  # nixpkgs.hostPlatform = {
+  #   gcc.arch = "znver4";
+  #   gcc.tune = "znver4";
+  #   system = "x86_64-linux";
+  # };
+
   nixpkgs.overlays = [
     (
       self: super:
diff --git a/nix/configuration/roles/wireguard/default.nix b/nix/configuration/roles/wireguard/default.nix
index 350486d..007e3ea 100644
--- a/nix/configuration/roles/wireguard/default.nix
+++ b/nix/configuration/roles/wireguard/default.nix
@@ -10,14 +10,23 @@
 
   networking.firewall.allowedUDPPorts = [ 51821 ];
   networking.wireguard.enable = true;
-  networking.wg-quick.interfaces.wg0.configFile = "/persist/manual/wireguard/drmario.conf";
-  systemd.services."wg-quick-wg0".after = [
+  networking.wg-quick.interfaces.drmario.configFile = "/persist/manual/wireguard/drmario.conf";
+  systemd.services."wg-quick-drmario".after = [
     "nss-lookup.target"
     "systemd-resolved.service"
     "multi-user.target"
   ];
 
-  systemd.services."wg-quick-wg0".preStart = "${pkgs.toybox}/bin/sleep 10";
+  systemd.services."wg-quick-drmario".preStart = "${pkgs.toybox}/bin/sleep 10";
+
+  networking.wg-quick.interfaces.wgh.configFile = "/persist/manual/wireguard/wgh.conf";
+  systemd.services."wg-quick-wgh".after = [
+    "nss-lookup.target"
+    "systemd-resolved.service"
+    "multi-user.target"
+  ];
+
+  systemd.services."wg-quick-wgh".preStart = "${pkgs.toybox}/bin/sleep 10";
 
   # environment.systemPackages = with pkgs; [
   #   wireguard-tools