diff --git a/flake.nix b/flake.nix
index f6f5908..53d871b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -34,7 +34,9 @@
     };
 
     # declarative homebrew management
-    nix-homebrew = { url = "github:zhaofengli/nix-homebrew"; };
+    nix-homebrew = {
+      url = "github:zhaofengli/nix-homebrew";
+    };
 
     # declarative Neovim
     nixvim = {
@@ -67,61 +69,92 @@
     };
   };
 
-  outputs = { self, nixpkgs, home-manager, darwin, nix-homebrew, nixvim
-    , hyprland, sops-nix, ... }@inputs:
+  outputs =
+    {
+      self,
+      nixpkgs,
+      home-manager,
+      darwin,
+      nix-homebrew,
+      nixvim,
+      hyprland,
+      sops-nix,
+      ...
+    }@inputs:
     let
       primaryUser = "phil";
+      mkSystem =
+        {
+          hostName,
+          system,
+          isDarwin ? false,
+          isServer ? false,
+        }:
+        let
+          systemFunc = if isDarwin then darwin.lib.darwinSystem else nixpkgs.lib.nixosSystem;
+          platformModuleSet = if isDarwin then "darwinModules" else "nixosModules";
 
-      mkNixos = hostName:
-        nixpkgs.lib.nixosSystem {
-          modules = [
-            {
-              nixpkgs.hostPlatform = "x86_64-linux";
-              networking.hostName = hostName;
-            }
-            ./nixos
-            ./hosts/cyper-desktop/configuration.nix
-            inputs.home-manager.nixosModules.home-manager
-            {
-              home-manager.extraSpecialArgs = {
-                inherit inputs primaryUser self;
-                isDarwin = false;
-              };
-              home-manager.users.${primaryUser} = import ./home;
-            }
-            inputs.sops-nix.nixosModules.sops
-          ];
-          specialArgs = {
-            inherit inputs primaryUser self hostName;
-            isDarwin = false;
+          sharedSpecialArgs = {
+            inherit
+              inputs
+              primaryUser
+              self
+              hostName
+              isDarwin
+              isServer
+              ;
           };
-        };
 
-      mkDarwin = hostName:
-        darwin.lib.darwinSystem {
-          system = "x86_64-darwin";
-          modules = [
-            ./darwin
-            ./hosts/cyper-mac/configuration.nix
+          sharedModules = [
             { networking.hostName = hostName; }
-            inputs.nix-homebrew.darwinModules.nix-homebrew
-            inputs.home-manager.darwinModules.home-manager
+            ./hosts/${hostName}/configuration.nix
+            inputs.sops-nix.${platformModuleSet}.sops
+            inputs.home-manager.${platformModuleSet}.home-manager
             {
-              home-manager.extraSpecialArgs = {
-                inherit inputs primaryUser self;
-                isDarwin = true;
-              };
+              home-manager.extraSpecialArgs = sharedSpecialArgs;
               home-manager.users.${primaryUser} = import ./home;
             }
-            inputs.sops-nix.darwinModules.sops
           ];
-          specialArgs = {
-            inherit inputs primaryUser self hostName;
-            isDarwin = true;
-          };
+
+          platformModules =
+            let
+              nixosBase = [
+                { nixpkgs.hostPlatform = system; }
+                ./nixos
+              ];
+            in
+            if isDarwin then
+              [
+                ./darwin
+                inputs.nix-homebrew.darwinModules.nix-homebrew
+              ]
+            else
+              nixosBase ++ (if isServer then [ ./nixos/server ] else [ ]);
+        in
+        systemFunc {
+          inherit system;
+          modules = sharedModules ++ platformModules;
+          specialArgs = sharedSpecialArgs;
         };
-    in {
-      nixosConfigurations."cyper-desktop" = mkNixos "cyper-desktop";
-      darwinConfigurations."cyper-mac" = mkDarwin "cyper-mac";
+    in
+    {
+      nixosConfigurations = {
+        "cyper-desktop" = mkSystem {
+          hostName = "cyper-desktop";
+          system = "x86_64-linux";
+        };
+
+        "cyper-node-1" = mkSystem {
+          hostName = "cyper-node-1";
+          system = "x86_64-linux";
+          isServer = true;
+        };
+      };
+
+      darwinConfigurations."cyper-mac" = mkSystem {
+        hostName = "cyper-mac";
+        system = "x86_64-darwin";
+        isDarwin = true;
+      };
     };
 }
diff --git a/home/desktop/default.nix b/home/desktop/default.nix
index 4322638..043e39e 100644
--- a/home/desktop/default.nix
+++ b/home/desktop/default.nix
@@ -1,4 +1,5 @@
-{ pkgs, inputs, ... }: {
+{ pkgs, inputs, ... }:
+{
   imports = [
     inputs.catppuccin.homeModules.catppuccin
     ./hyprland
@@ -10,7 +11,11 @@
 
   _module.args.compositor = "hyprland";
 
-  home.packages = with pkgs; [ waypaper awww ];
+  home.packages = with pkgs; [
+    waypaper
+    awww
+    onlyoffice-desktopeditors
+  ];
   home.file.".config/waypaper/config.ini".source = ./waypaper.ini;
 
   programs = {
@@ -31,5 +36,14 @@
       };
     };
     mpv.enable = true;
+    onlyoffice = {
+      enable = true;
+      settings = {
+        UITheme = "theme-night";
+        appdata = "@ByteArray(eyJ1c2VybmFtZSI6InBoaWwiLCJkb2NvcGVubW9kZSI6ImVkaXQiLCJyZXN0YXJ0Ijp0cnVlLCJsYW5naWQiOiJlbi1VUyIsInVpc2NhbGluZyI6IjAiLCJ1aXRoZW1lIjoidGhlbWUtbmlnaHQiLCJlZGl0b3J3aW5kb3dtb2RlIjpmYWxzZSwic3BlbGxjaGVja2RldGVjdCI6ImF1dG8iLCJ1c2VncHUiOnRydWV9)";
+        editorWindowMode = false;
+        titlebar = "custom";
+      };
+    };
   };
 }
diff --git a/home/desktop/waybar/common.nix b/home/desktop/waybar/common.nix
index fb5a64f..d26c5cd 100644
--- a/home/desktop/waybar/common.nix
+++ b/home/desktop/waybar/common.nix
@@ -169,7 +169,7 @@
 
     "custom/wallpaper" = {
       format = "【{} 】";
-      exec = "basename $(swww query | grep -oP 'image: \\K.*')";
+      exec = "basename $(awww query | grep -oP 'image: \\K.*')";
       interval = 5;
       on-click = "waypaper";
       tooltip = true;
diff --git a/home/ssh.nix b/home/ssh.nix
index edff1f4..8ad6abe 100644
--- a/home/ssh.nix
+++ b/home/ssh.nix
@@ -2,8 +2,11 @@
 {
   programs.ssh = {
     enable = true;
-    addKeysToAgent = "yes";
+    enableDefaultConfig = false;
     matchBlocks = {
+      "*" = {
+        addKeysToAgent = "yes";
+      };
       "*.cyperpunk.de" = {
         identityFile =
           if isDarwin then "/Users/${primaryUser}/.ssh/ssh" else "/home/${primaryUser}/.ssh/ssh";
diff --git a/nixos/default.nix b/nixos/default.nix
index 64bc7c2..f7b52f4 100644
--- a/nixos/default.nix
+++ b/nixos/default.nix
@@ -46,6 +46,8 @@
       ];
       max-jobs = "auto";
       cores = 0;
+      http-connections = 4;
+      download-buffer-size = 268435456;
       substituters = [
         "https://cache.nixos.org"
         "https://hyprland.cachix.org"