nixos: Modularize NixOS and Home Manager config

.vscode/mcp.json

@@ -1,8 +1,8 @@
 {
   "servers": {
     "nixos": {
-      "command": "uvx",
+      "command": "nix",
-      "args": ["mcp-nixos"]
+      "args": ["run", "github:utensils/mcp-nixos", "--"]
     }
   }
 }

configuration.nix

@@ -1,58 +0,0 @@
-{ config, lib, pkgs, apple-fonts, ... }:
-
-{
-  imports = [ 
-    ./hardware-configuration.nix
-    ./secureboot.nix
-    ./maintenance.nix
-    ./users.nix
-    ./network.nix
-    ./desktop.nix
-    ./containers.nix
-  ];
-
-  boot = {
-    loader = {
-      systemd-boot.enable = true;
-      efi.canTouchEfiVariables = true;
-    };
-    plymouth.enable = true;
-    initrd.kernelModules = [ "amdgpu" ];
-    kernelPackages = pkgs.linuxPackages_cachyos ;
-    kernelParams = [ "quiet" "splash" "boot.shell_on_fail" "loglevel=3" "iommu=pt" ];
-  };
-
-  time.timeZone = "America/Argentina/Buenos_Aires";
-  i18n.defaultLocale = "es_AR.UTF-8";
-
-  services.hardware.deepcool-digital-linux.enable = true;
-
-  services.udev.extraRules = ''
-    # Intel RAPL energy usage file
-    ACTION=="add", SUBSYSTEM=="powercap", KERNEL=="intel-rapl:0", RUN+="${pkgs.coreutils}/bin/chmod 444 /sys/class/powercap/intel-rapl/intel-rapl:0/energy_uj"
-
-    # DeepCool HID raw devices
-    SUBSYSTEM=="hidraw", ATTRS{idVendor}=="3633", MODE="0666"
-
-    # CH510 MESH DIGITAL
-    SUBSYSTEM=="hidraw", ATTRS{idVendor}=="34d3", ATTRS{idProduct}=="1100", MODE="0666"
-   # Elgato 4K X (all speed modes)
-   SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="009b", MODE="0666", GROUP="plugdev"
-   SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="009c", MODE="0666", GROUP="plugdev"
-   SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="009d", MODE="0666", GROUP="plugdev"
-
-   # Elgato 4K S (all speed modes)
-   SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="00af", MODE="0666", GROUP="plugdev"
-   SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="00ae", MODE="0666", GROUP="plugdev"
-   
-   # nvtop
-   SUBSYSTEM=="drm", KERNEL=="card*", SUBSYSTEMS=="pci", DRIVERS=="amdgpu", RUN+="/bin/sh -c 'chmod -R g+r /sys/class/drm/%k/device/'"
-  '';
-  
-  nixpkgs.config.allowUnfree = true;
-  nix.settings = {
-    experimental-features = [ "nix-command" "flakes" ];
-  };
-
-  system.stateVersion = "25.11";
-}

desktop.nix

@@ -1,126 +0,0 @@
-{pkgs, apple-fonts, vscode-server, inputs, ... }: 
-{
-  hardware.graphics = {
-  enable = true;
-  enable32Bit = true;
-  extraPackages = with pkgs; [
-    rocmPackages.clr.icd
-  ];
-  };
-  services.desktopManager.plasma6.enable = true;
-  services.displayManager = {
-    plasma-login-manager.enable = true;
-    sddm = { enable = true; wayland.enable = true; };
-    autoLogin = { enable = true; user = "emmatherock"; };
-  };
-  security.pam.services.sddm.enableKwallet = true;
-  security.pam.services.login.enableKwallet = true;
-
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    jack.enable = true;
-  };
-
-  services.vscode-server.enable = true;
-
-  fonts.packages = with pkgs; [
-    noto-fonts noto-fonts-cjk-sans noto-fonts-color-emoji
-    nerd-fonts.fira-code nerd-fonts.jetbrains-mono
-    apple-fonts.packages.${pkgs.stdenv.hostPlatform.system}.sf-pro
-    apple-fonts.packages.${pkgs.stdenv.hostPlatform.system}.sf-mono
-    apple-fonts.packages.${pkgs.stdenv.hostPlatform.system}.ny
-  ];
-
-  environment.systemPackages = with pkgs; [
-    # --- Base y Terminal ---
-    vim
-    git
-    wget
-    curl
-    fastfetch
-    (btop.override { cudaSupport = false; rocmSupport = true; })
-    nvtopPackages.full
-    ethtool
-    zsh
-    fish
-    starship
-    gemini-cli
-    rocmPackages.rocm-smi
-
-    # --- Herramientas de Sistema ---
-    btrfs-progs
-    kdePackages.partitionmanager
-    kdePackages.kalk
-    tailscale
-    distrobox
-    steam-run
-    localsend
-    inputs.lan-mouse.packages.${pkgs.stdenv.hostPlatform.system}.default
-    deskflow
-      
-    # --- Trabajo y Notas ---
-    (vscode-with-extensions.override {
-    vscodeExtensions = with vscode-extensions; [
-      jnoortheen.nix-ide
-      ms-python.python
-      vscode-extensions.ms-dotnettools.csharp
-      vscode-extensions.ms-vscode.cpptools
-      vscode-extensions.golang.go
-      vscode-extensions.rust-lang.rust-analyzer
-      vscode-extensions.Google.gemini-cli-vscode-ide-companion
-      vscode-extensions.ms-azuretools.vscode-containers
-      ms-vscode-remote.remote-ssh
-      vscode-extensions.coolbear.systemd-unit-file
-      ];
-    })
-    obsidian
-
-    # --- Multimedia y Comunicación ---
-    (discord.override {
-      # withOpenASAR = true; # can do this here too
-      withVencord = true;
-    })
-    spotify
-    chatterino7
-    plex-desktop
-    cider-2
-    inputs.sidra.packages.${pkgs.stdenv.hostPlatform.system}.default
-    telegram-desktop
-
-    # --- Audio y Video ---
-    carla
-    haruna
-    qpwgraph
-    pipewire
-    (pkgs.wrapOBS {
-      plugins = with pkgs.obs-studio-plugins; [
-        obs-pipewire-audio-capture
-        obs-vkcapture
-        obs-composite-blur
-        obs-aitum-multistream
-        obs-vertical-canvas
-      ];
-    })
-    vlc
-
-    # --- Gaming ---
-    faugus-launcher
-    plezy
-    protonplus
-    protontricks
-    proton-authenticator
-    mangohud
-    gamemode
-    cemu
-  ];
-
-  programs = {
-    firefox.enable = true;
-    fish.enable = true;
-    starship.enable = true;
-    steam = { enable = true; remotePlay.openFirewall = true; };
-  };
-}

flake.lock

@@ -205,6 +205,26 @@
         "type": "github"
       }
     },
+    "home-manager_2": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1781706760,
+        "narHash": "sha256-jkSzXcasiZZ72q5f92FLHdIGAlGhX+124xQrbbczbF0=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "a2e23ee8f8699f8971b4fde86efc1b7ec1e19681",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "jovian": {
       "inputs": {
         "nix-github-actions": [
@@ -229,25 +249,6 @@
         "type": "github"
       }
     },
-    "lan-mouse": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_3",
-        "rust-overlay": "rust-overlay_2"
-      },
-      "locked": {
-        "lastModified": 1781517640,
-        "narHash": "sha256-zCFYzIGWm5ShL/dO/SxwyHCCDerWveLiWpoeGDWKLi4=",
-        "owner": "feschber",
-        "repo": "lan-mouse",
-        "rev": "d1f41180e3f18cbc66d69dae39917b2d705c9abc",
-        "type": "github"
-      },
-      "original": {
-        "owner": "feschber",
-        "repo": "lan-mouse",
-        "type": "github"
-      }
-    },
     "lanzaboote": {
       "inputs": {
         "crane": "crane",
@@ -255,7 +256,7 @@
           "nixpkgs"
         ],
         "pre-commit": "pre-commit",
-        "rust-overlay": "rust-overlay_3"
+        "rust-overlay": "rust-overlay_2"
       },
       "locked": {
         "lastModified": 1765382359,
@@ -330,22 +331,6 @@
       }
     },
     "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1772963539,
-        "narHash": "sha256-9jVDGZnvCckTGdYT53d/EfznygLskyLQXYwJLKMPsZs=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "9dcb002ca1690658be4a04645215baea8b95f31d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_4": {
       "locked": {
         "lastModified": 1781074563,
         "narHash": "sha256-md8WlXOlfnIeHeOScMTTHFyf2d6iaTwPl2apR5EQ3P4=",
@@ -361,7 +346,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_5": {
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1682134069,
         "narHash": "sha256-TnI/ZXSmRxQDt2sjRYK/8j8iha4B4zP2cnQCZZ3vp7k=",
@@ -414,9 +399,9 @@
       "inputs": {
         "apple-fonts": "apple-fonts",
         "chaotic": "chaotic",
-        "lan-mouse": "lan-mouse",
+        "home-manager": "home-manager_2",
         "lanzaboote": "lanzaboote",
-        "nixpkgs": "nixpkgs_4",
+        "nixpkgs": "nixpkgs_3",
         "sidra": "sidra",
         "vscode-server": "vscode-server"
       }
@@ -443,27 +428,6 @@
       }
     },
     "rust-overlay_2": {
-      "inputs": {
-        "nixpkgs": [
-          "lan-mouse",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1773025773,
-        "narHash": "sha256-Wik8+xApNfldpUFjPmJkPdg0RrvUPSWGIZis+A/0N1w=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "3c06fdbbd36ff60386a1e590ee0cd52dcd1892bf",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "rust-overlay_3": {
       "inputs": {
         "nixpkgs": [
           "lanzaboote",
@@ -606,7 +570,7 @@
     "vscode-server": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs_5"
+        "nixpkgs": "nixpkgs_4"
       },
       "locked": {
         "lastModified": 1770124655,

flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "NixOS con Kernel CachyOS (vía xddxdd)";
+  description = "NixOS configuration for my homelab";
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
@@ -13,31 +13,33 @@
       url = "github:nix-community/lanzaboote/v1.0.0";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    lan-mouse.url = "github:feschber/lan-mouse";
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     vscode-server.url = "github:nix-community/nixos-vscode-server";
   };
 
-  outputs = { self, nixpkgs, chaotic, apple-fonts, lanzaboote, lan-mouse, sidra, vscode-server, ... }@inputs: {
+  outputs = { self, nixpkgs, chaotic, apple-fonts, lanzaboote, home-manager, sidra, vscode-server, ... }@inputs: {
     nixosConfigurations = {
       miku-homelab = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
 
         specialArgs = { inherit apple-fonts inputs; };
         modules = [
-          ./configuration.nix
+          ./hosts/miku-homelab
 	        lanzaboote.nixosModules.lanzaboote
+          home-manager.nixosModules.home-manager
           vscode-server.nixosModules.default
           chaotic.nixosModules.default
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+            home-manager.extraSpecialArgs = { inherit inputs; };
+            home-manager.users.emmatherock = import ./home/emmatherock/home.nix;
+          }
         ];
       };
     };
   };
-  nixConfig = {
-    extra-substituters = [
-        "https://lan-mouse.cachix.org/"
-    ];
-    extra-trusted-public-keys = [
-      "lan-mouse.cachix.org-1:KlE2AEZUgkzNKM7BIzMQo8w9yJYqUpor1CAUNRY6OyM="
-    ];
-  };
 }

home/emmatherock/desktop-apps.nix

@@ -0,0 +1,16 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    obsidian
+    (discord.override {
+      # withOpenASAR = true; # can do this here too
+      withVencord = true;
+    })
+    chatterino7
+    telegram-desktop
+    localsend
+    deskflow
+    kdePackages.kalk
+    kdePackages.partitionmanager
+  ];
+}

home/emmatherock/gaming.nix

@@ -0,0 +1,12 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    faugus-launcher
+    plezy
+    protonplus
+    protontricks
+    proton-authenticator
+    mangohud
+    cemu
+  ];
+}

home/emmatherock/git.nix

@@ -0,0 +1,3 @@
+{
+  programs.git.enable = true;
+}

home/emmatherock/home.nix

@@ -0,0 +1,15 @@
+{
+  imports = [
+    ./desktop-apps.nix
+    ./gaming.nix
+    ./git.nix
+    ./media.nix
+    ./obs.nix
+    ./packages.nix
+    ./shell.nix
+    ./vscode.nix
+  ];
+
+  programs.home-manager.enable = true;
+  home.stateVersion = "25.11";
+}

home/emmatherock/media.nix

@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    spotify
+    cider-2
+    haruna
+    vlc
+    carla
+    qpwgraph
+  ];
+}

home/emmatherock/obs.nix

@@ -0,0 +1,14 @@
+{ pkgs, ... }:
+{
+  home.packages = [
+    (pkgs.wrapOBS {
+      plugins = with pkgs.obs-studio-plugins; [
+        obs-pipewire-audio-capture
+        obs-vkcapture
+        obs-composite-blur
+        obs-aitum-multistream
+        obs-vertical-canvas
+      ];
+    })
+  ];
+}

home/emmatherock/packages.nix

@@ -0,0 +1,12 @@
+{ pkgs, inputs, ... }:
+{
+  home.packages = with pkgs; [
+    # --- Base y Terminal ---
+    vim
+    fastfetch
+    (btop.override { cudaSupport = false; rocmSupport = true; })
+    nvtopPackages.full
+    gemini-cli
+    inputs.sidra.packages.${pkgs.stdenv.hostPlatform.system}.default
+  ];
+}

home/emmatherock/shell.nix

@@ -0,0 +1,4 @@
+{
+  programs.fish.enable = true;
+  programs.starship.enable = true;
+}

home/emmatherock/vscode.nix

@@ -0,0 +1,19 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    (vscode-with-extensions.override {
+    vscodeExtensions = with vscode-extensions; [
+      jnoortheen.nix-ide
+      ms-python.python
+      vscode-extensions.ms-dotnettools.csharp
+      vscode-extensions.ms-vscode.cpptools
+      vscode-extensions.golang.go
+      vscode-extensions.rust-lang.rust-analyzer
+      vscode-extensions.Google.gemini-cli-vscode-ide-companion
+      vscode-extensions.ms-azuretools.vscode-containers
+      ms-vscode-remote.remote-ssh
+      vscode-extensions.coolbear.systemd-unit-file
+      ];
+    })
+  ];
+}

hosts/miku-homelab/default.nix

@@ -0,0 +1,66 @@
+{ pkgs, ... }:
+
+{
+  imports = [ 
+    ./hardware-configuration.nix
+    ../../modules/security/secureboot.nix
+    ../../modules/services/maintenance.nix
+    ../../modules/system/audio.nix
+    ../../modules/system/fonts.nix
+    ../../modules/system/gaming.nix
+    ../../modules/system/graphics.nix
+    ../../modules/system/packages.nix
+    ../../modules/system/shells.nix
+    ../../modules/system/users.nix
+    ../../modules/system/networking.nix
+    ../../modules/desktop/firefox.nix
+    ../../modules/desktop/plasma.nix
+    ../../modules/services/containers.nix
+    ../../modules/services/vscode-server.nix
+  ];
+
+  boot = {
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
+    plymouth.enable = true;
+    initrd.kernelModules = [ "amdgpu" ];
+    kernelPackages = pkgs.linuxPackages_cachyos ;
+    kernelParams = [ "quiet" "splash" "boot.shell_on_fail" "loglevel=3" "iommu=pt" ];
+  };
+
+  time.timeZone = "America/Argentina/Buenos_Aires";
+  i18n.defaultLocale = "es_AR.UTF-8";
+
+  services.hardware.deepcool-digital-linux.enable = true;
+
+  services.udev.extraRules = ''
+    # Intel RAPL energy usage file
+    ACTION=="add", SUBSYSTEM=="powercap", KERNEL=="intel-rapl:0", RUN+="${pkgs.coreutils}/bin/chmod 444 /sys/class/powercap/intel-rapl/intel-rapl:0/energy_uj"
+
+    # DeepCool HID raw devices
+    SUBSYSTEM=="hidraw", ATTRS{idVendor}=="3633", MODE="0666"
+
+    # CH510 MESH DIGITAL
+    SUBSYSTEM=="hidraw", ATTRS{idVendor}=="34d3", ATTRS{idProduct}=="1100", MODE="0666"
+    # Elgato 4K X (all speed modes)
+    SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="009b", MODE="0666", GROUP="plugdev"
+    SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="009c", MODE="0666", GROUP="plugdev"
+    SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="009d", MODE="0666", GROUP="plugdev"
+
+    # Elgato 4K S (all speed modes)
+    SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="00af", MODE="0666", GROUP="plugdev"
+    SUBSYSTEM=="usb", ATTR{idVendor}=="0fd9", ATTR{idProduct}=="00ae", MODE="0666", GROUP="plugdev"
+   
+    # nvtop
+    SUBSYSTEM=="drm", KERNEL=="card*", SUBSYSTEMS=="pci", DRIVERS=="amdgpu", RUN+="/bin/sh -c 'chmod -R g+r /sys/class/drm/%k/device/'"
+  '';
+  
+  nixpkgs.config.allowUnfree = true;
+  nix.settings = {
+    experimental-features = [ "nix-command" "flakes" ];
+  };
+
+  system.stateVersion = "25.11";
+}

maintenance.nix

@@ -1,16 +0,0 @@
-{ pkgs, ... }:
-
-{
-  # Optimización automática del storage (une archivos idénticos)
-  nix.settings.auto-optimise-store = true;
-
-  # Garbage Collector automático
-  nix.gc = {
-    automatic = true;
-    dates = "weekly"; # Se ejecuta cada semana
-    options = "--delete-older-than 14d"; # Borra lo que tenga más de 2 semanas
-  };
-
-  # Opcional: Limpieza de logs de Systemd para que no crezcan infinito
-  services.journald.extraConfig = "SystemMaxUse=500M";
-}

modules/desktop/firefox.nix

@@ -0,0 +1,3 @@
+{
+  programs.firefox.enable = true;
+}

modules/desktop/plasma.nix

@@ -0,0 +1,10 @@
+{ ... }: 
+{
+  services.desktopManager.plasma6.enable = true;
+  services.displayManager = {
+    plasma-login-manager.enable = true;
+    autoLogin = { enable = true; user = "emmatherock"; };
+  };
+  security.pam.services.login.enableKwallet = true;
+
+}

modules/security/secureboot.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, ... }:
+{ lib, ... }:
 
 {
   # Lanzaboote reemplaza al systemd-boot estándar

modules/services/maintenance.nix

@@ -0,0 +1,13 @@
+{ ... }:
+
+{
+  nix.settings.auto-optimise-store = true;
+
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 14d";
+  };
+
+  services.journald.extraConfig = "SystemMaxUse=500M";
+}

modules/services/vscode-server.nix

@@ -0,0 +1,3 @@
+{
+  services.vscode-server.enable = true;
+}

modules/system/audio.nix

@@ -0,0 +1,9 @@
+{
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    jack.enable = true;
+  };
+}

modules/system/fonts.nix

@@ -0,0 +1,10 @@
+{pkgs, apple-fonts, ... }: 
+{
+  fonts.packages = with pkgs; [
+    noto-fonts noto-fonts-cjk-sans noto-fonts-color-emoji
+    nerd-fonts.fira-code nerd-fonts.jetbrains-mono
+    apple-fonts.packages.${pkgs.stdenv.hostPlatform.system}.sf-pro
+    apple-fonts.packages.${pkgs.stdenv.hostPlatform.system}.sf-mono
+    apple-fonts.packages.${pkgs.stdenv.hostPlatform.system}.ny
+  ];
+}

modules/system/gaming.nix

@@ -0,0 +1,6 @@
+{
+  programs = {
+    gamemode.enable = true;
+    steam = { enable = true; remotePlay.openFirewall = true; };
+  };
+}

modules/system/graphics.nix

@@ -0,0 +1,10 @@
+{pkgs, ... }: 
+{
+  hardware.graphics = {
+  enable = true;
+  enable32Bit = true;
+  extraPackages = with pkgs; [
+    rocmPackages.clr.icd
+  ];
+  };
+}

modules/system/packages.nix

@@ -0,0 +1,14 @@
+{pkgs, ... }: 
+{
+  environment.systemPackages = with pkgs; [
+    git
+    wget
+    curl
+    ethtool
+    fish
+    rocmPackages.rocm-smi
+    btrfs-progs
+    distrobox
+    steam-run
+  ];
+}

modules/system/shells.nix

@@ -0,0 +1,5 @@
+{
+  programs = {
+    fish.enable = true;
+  };
+}