diff --git a/flake.nix b/flake.nix
index 4ec7e8f..f756bda 100644
--- a/flake.nix
+++ b/flake.nix
@@ -93,7 +93,25 @@
       overlays = (if config?overlays then config.overlays else [ ]) ++ [ overlay ];
     });
     # this is actual config, it gets processed below
-    config = {
+    config = let
+      mkBpiR3 = storage: config: config // {
+        system = "aarch64-linux";
+        modules = (config.modules or [ ]) ++ [ (import ./system/devices/bpi-r3-router.nix storage) ];
+      };
+      routerConfig = rec {
+        system = "aarch64-linux";
+        specialArgs.server-config = nixosConfigurations.nixserver.config;
+        modules = [
+          {
+            _module.args.pkgs2 = import nixpkgs2 { inherit system; overlays = [ overlay ]; };
+            _module.args.notnft = if devNft then (import /${devPath}/notnft { inherit (nixpkgs) lib; }).config.notnft else notnft.lib.${system};
+          }
+          (if devNixRt then import /${devPath}/nixos-router else nixos-router.nixosModules.default)
+        ];
+      };
+    in {
+      router-emmc = mkBpiR3 "emmc" routerConfig;
+      router-sd = mkBpiR3 "sd" routerConfig;
       nixserver = {
         modules = [
           nixos-mailserver.nixosModules.default
@@ -101,30 +119,6 @@
           (if devMaubot then import /${devPath}/maubot.nix/module else maubot.nixosModules.default)
         ];
       };
-      router-emmc = rec {
-        system = "aarch64-linux";
-        specialArgs.server-config = nixosConfigurations.nixserver.config;
-        modules = [
-          {
-            _module.args.pkgs2 = import nixpkgs2 { inherit system; overlays = [ overlay ]; };
-            _module.args.notnft = if devNft then (import /${devPath}/notnft { inherit (nixpkgs) lib; }).config.notnft else notnft.lib.${system};
-          }
-          (import ./system/devices/bpi-r3-router.nix "emmc")
-          (if devNixRt then import /${devPath}/nixos-router else nixos-router.nixosModules.default)
-        ];
-      };
-      router-sd = rec {
-        system = "aarch64-linux";
-        specialArgs.server-config = nixosConfigurations.nixserver.config;
-        modules = [
-          {
-            _module.args.pkgs2 = import nixpkgs2 { inherit system; overlays = [ overlay ]; };
-            _module.args.notnft = if devNft then (import /${devPath}/notnft { inherit (nixpkgs) lib; }).config.notnft else notnft.lib.${system};
-          }
-          (import ./system/devices/bpi-r3-router.nix "sd")
-          (if devNixRt then (import /${devPath}/nixos-router) else nixos-router.nixosModules.default)
-        ];
-      };
       nixmsi = rec {
         system = "x86_64-linux";
         modules = [
@@ -274,7 +268,7 @@
     hydraJobs = {
       server.${config.nixserver.system or "x86_64-linux"} = nixosConfigurations.nixserver;
       workstation.${config.nixmsi.system or "x86_64-linux"} = nixosConfigurations.nixmsi;
-      router.${config.router.system or "x86_64-linux"} = nixosConfigurations.router;
+      router.${config.router-emmc.system or "x86_64-linux"} = nixosConfigurations.router-emmc;
       workstation-home.${config.nixmsi.system or "x86_64-linux"} = homeConfigurations."user@nixmsi";
     };
   };
diff --git a/system/hosts/nixserver/home.nix b/system/hosts/nixserver/home.nix
index 17463c2..d2a1cf1 100644
--- a/system/hosts/nixserver/home.nix
+++ b/system/hosts/nixserver/home.nix
@@ -52,6 +52,10 @@ in {
       proxyWebsockets = true;
     };
     locations."/grafana/public/".alias = "${config.services.grafana.settings.server.static_root_path}/";
+    locations."/printer/" = {
+      proxyPass = "http://127.0.0.1:631/";
+      proxyWebsockets = true;
+    };
   };
   services.nginx.virtualHosts."hydra.${cfg.domainName}" = {
     quic = true;
@@ -98,9 +102,19 @@ in {
     # smtpHost = "mail.${cfg.domainName}";
     useSubstitutes = true;
   };
-  systemd.services.nix-daemon = {
-    serviceConfig.CPUQuota = "50%";
-  };
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+  nix.buildMachines = [
+    {
+      hostName = "localhost";
+      protocol = null;
+      supportedFeatures = [ "kvm" "local" "nixos-test" "benchmark" "big-parallel" ];
+      systems = [ "builtin" "x86_64-linux" "i686-linux" "aarch64-linux" ];
+    }
+  ];
+  # limit CI CPU usage since I'm running everything else off this server too
+  # systemd.services.nix-daemon.serviceConfig.CPUQuota = "50%";
+  systemd.services.hydra-evaluator.serviceConfig.CPUQuota = "50%";
+  programs.ccache.enable = true;
 
   services.nginx.statusPage = true;
   services.gitea.settings.metrics.ENABLED = true;
@@ -168,7 +182,7 @@ in {
         job_name = "local_medium_freq";
         scrape_interval = "15m";
         static_configs = [ {
-          targets = [ "127.0.0.1:9548" ];
+          targets = [ "127.0.0.1:9548" "127.0.0.1:9198" ];
           labels.machine = "server";
         } ];
       }
@@ -279,7 +293,7 @@ in {
     };
   };*/
 
-  networking.firewall.allowedTCPPorts = [ 631 9100 ];
+  networking.firewall.allowedTCPPorts = [ 631 ];
   services.printing = {
     enable = true;
     allowFrom = [ cfg.lanCidrV4 cfg.lanCidrV6 ];
@@ -287,7 +301,7 @@ in {
     clientConf = ''
       ServerName home.${cfg.domainName}
     '';
-    listenAddresses = [ "*:631" "*:9100" ];
+    listenAddresses = [ "*:631" ];
     defaultShared = true;
     drivers = [ pkgs.hplip ];
     startWhenNeeded = false;
diff --git a/system/modules/impermanence.nix b/system/modules/impermanence.nix
index 9dad725..4be2403 100644
--- a/system/modules/impermanence.nix
+++ b/system/modules/impermanence.nix
@@ -98,6 +98,12 @@ in {
         { directory = /var/lib/pleroma; user = "pleroma"; group = "pleroma"; mode = "0700"; }
       ] ++ lib.optionals config.services.akkoma.enable [
         { directory = /var/lib/akkoma; user = "akkoma"; group = "akkoma"; mode = "0700"; }
+      ] ++ lib.optionals config.services.hydra.enable [
+        { directory = /var/lib/hydra; user = "hydra"; group = "hydra"; mode = "0755"; }
+      ] ++ lib.optionals config.services.grafana.enable [
+        { directory = /var/lib/grafana; user = "grafana"; group = "grafana"; mode = "0755"; }
+      ] ++ lib.optionals config.services.prometheus.enable [
+        { directory = /var/lib/${config.services.prometheus.stateDir}; user = "prometheus"; group = "prometheus"; mode = "0755"; }
       ] ++ lib.optionals config.services.postfix.enable [
         { directory = /var/lib/postfix; user = "root"; group = "root"; mode = "0755"; }
       ] ++ lib.optionals config.services.postgresql.enable [