diff --git a/hosts/laptop/configuration.nix b/hosts/laptop/configuration.nix
index 0427f53..0904d76 100644
--- a/hosts/laptop/configuration.nix
+++ b/hosts/laptop/configuration.nix
@@ -13,10 +13,20 @@
   powerManagement.enable = true;
 
   nix = {
-    settings.experimental-features = [ "nix-command" "flakes" ];
     gc.automatic = true;
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+      substituters = [
+        "http://nix.dhilton.xyz/"
+        "https://cache.nixos.org/"
+      ];
+      trusted-public-keys = [
+        "nix.dhilton.xyz:MOW060dF1A0/UXmPZBue9KMxCO13PHYFwx1X9hcdYZ4="
+      ];
+    };
   };
 
+
   networking = {
     hostName = "laptop";
     networkmanager.enable = true;
diff --git a/hosts/server/configuration.nix b/hosts/server/configuration.nix
index 5b4f2e7..0caea1d 100644
--- a/hosts/server/configuration.nix
+++ b/hosts/server/configuration.nix
@@ -2,13 +2,23 @@
 
 {
   imports = [ ./hardware-configuration.nix ./service.nix ];
-  powerManagement.enable = true;
+  powerManagement.enable = false;
   system.autoUpgrade.enable = true;
   networking.networkmanager.enable = true;
+  boot.kernelParams = [ "intel_pstate=active" ];
 
   nix = {
-    settings.experimental-features = [ "nix-command" "flakes" ];
     gc.automatic = true;
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+      substituters = [
+        "http://nix.dhilton.xyz/"
+        "https://cache.nixos.org/"
+      ];
+      trusted-public-keys = [
+        "nix.dhilton.xyz:MOW060dF1A0/UXmPZBue9KMxCO13PHYFwx1X9hcdYZ4="
+      ];
+    };
   };
 
   programs = {
diff --git a/hosts/server/service.nix b/hosts/server/service.nix
index e3a83f8..cc0336d 100644
--- a/hosts/server/service.nix
+++ b/hosts/server/service.nix
@@ -24,7 +24,17 @@
 
     i2p = { enable = true; };
 
-    ollama = { enable = true; };
+    nix-serve = {
+      enable = true;
+      secretKeyFile = "/var/cache-priv-key.pem";
+    };
+
+    ollama = {
+      enable = true;
+      package = pkgs.ollama.overrideAttrs (oldAttrs: {
+        NIX_CFLAGS_COMPILE = "${oldAttrs.NIX_CFLAGS_COMPILE or ""} -mavx2 -mfma -march=native -O3";
+      });
+    };
 
     gitea = {
       enable = true;
@@ -72,7 +82,7 @@
       piper.servers."piperNix" = {
         enable = true;
 	uri = "tcp://0.0.0.0:10200";
-	voice = "en-us-ryan-medium";
+	voice = "en-us-ryan-low";
       };
       faster-whisper.servers."whisperNix" = {
         enable = true;
@@ -158,6 +168,10 @@
             proxyWebsockets = true;
           };
         };
+
+	"nix.dhilton.xyz" = {
+	  locations."/".proxyPass = "http://127.0.0.1:5000";
+	};
       };
     };
   };