Use Home Manager

flake.nix

@@ -4,17 +4,31 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
 
+    home-manager = {
+      url = "github:nix-community/home-manager/release-25.05";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     disko = {
       url = "github:nix-community/disko/latest";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
-  outputs = { nixpkgs, disko, ... }: {
+  outputs = { nixpkgs, home-manager, disko, ... }: {
     nixosConfigurations = {
       opti = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
-        modules = [ ./hosts/opti disko.nixosModules.disko ];
+        modules = [
+          ./hosts/opti
+          home-manager.nixosModules.home-manager
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+            home-manager.users.wekuz = import ./hosts/opti/home.nix;
+          }
+          disko.nixosModules.disko
+        ];
       };
     };
   };

hosts/opti/default.nix

@@ -59,28 +59,6 @@
     };
   };
 
-  environment.systemPackages = with pkgs; [
-    git
-    neovim
-    btop
-    ncdu
-    tmux
-    wget
-    iperf3
-    dnsutils
-    file
-    which
-    zstd
-    zip
-    xz
-    unzip
-    ripgrep
-    smartmontools
-    lm_sensors
-    ethtool
-    fastfetch
-  ];
-
   environment.variables.EDITOR = "nvim";
 
   users.users.wekuz = {

hosts/opti/home.nix

@@ -0,0 +1,47 @@
+{ pkgs, ... }:
+
+{
+  home.username = "wekuz";
+  home.homeDirectory = "/home/wekuz";
+
+  home.packages = with pkgs; [
+    neofetch
+
+    # Utilities
+    neovim
+    tmux
+    zip
+    xz
+    unzip
+    p7zip
+    zstd
+    ripgrep
+    file
+    which
+    btop
+    ncdu
+    lm_sensors
+    pciutils
+    usbutils
+    smartmontools
+
+    # Networking
+    mtr
+    iperf3
+    wget
+    dnsutils
+    ldns
+    ethtool
+  ];
+
+  programs.git = {
+    enable = true;
+    userName = "Wekuz";
+    userEmail = "wekuz@duck.com";
+    extraConfig = { init.defaultBranch = "main"; };
+  };
+
+  programs.zsh = { enable = true; };
+
+  home.stateVersion = "25.05";
+}