Use different resolution at work

README.md

@@ -10,6 +10,7 @@ Each system has its own dedicated configuration module.
 | **gandalf** | Personal system configuration for `gandalf`. |
 | **frodo**   | Personal system configuration for `frodo`. |
 | **legolas** | Personal system configuration for `legolas`. |
+| **balrog**  | Personal system configuration for `balrog`. |
 | **work**    | Work-oriented system configuration for `work`. |
 
 
@@ -18,7 +19,7 @@ Each system has its own dedicated configuration module.
 To rebuild and switch to a specific system:
 
 ```bash
-# Replace <system> with gandalf, frodo, legolas, or work
+# Replace <system> with gandalf, frodo, legolas, balrog or work
 sudo nixos-rebuild switch --flake .#<system>
 ```
 

flake.lock

@@ -21,6 +21,21 @@
         "type": "github"
       }
     },
+    "nix-flatpak": {
+      "locked": {
+        "lastModified": 1776625032,
+        "narHash": "sha256-edvwHiFhgOiwywt6/Iwe+sSn6ybhU3WZGnIoiGcKjfQ=",
+        "owner": "gmodena",
+        "repo": "nix-flatpak",
+        "rev": "479e19f1decb390aa5b75cae13ddf87d763c74cc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gmodena",
+        "repo": "nix-flatpak",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1776734388,
@@ -39,11 +54,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1776329215,
-        "narHash": "sha256-a8BYi3mzoJ/AcJP8UldOx8emoPRLeWqALZWu4ZvjPXw=",
+        "lastModified": 1776949667,
+        "narHash": "sha256-GMSVw35Q+294GlrTUKlx087E31z7KurReQ1YHSKp5iw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b86751bc4085f48661017fa226dee99fab6c651b",
+        "rev": "01fbdeef22b76df85ea168fbfe1bfd9e63681b30",
         "type": "github"
       },
       "original": {
@@ -56,6 +71,7 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "nix-flatpak": "nix-flatpak",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable"
       }

flake.nix

@@ -14,6 +14,11 @@
       url = "github:nix-community/home-manager/release-25.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    nix-flatpak = {
+      url = "github:gmodena/nix-flatpak";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   # This strange syntax is a workaround for the intentional limitations of `flake.nix` files.

outputs.nix

@@ -1,4 +1,4 @@
-{ nixpkgs, nixpkgs-unstable, home-manager, ... }:
+{ nixpkgs, nixpkgs-unstable, home-manager, nix-flatpak, ... }:
 
 let
   mkPkgsUnstable = system: import nixpkgs-unstable {
@@ -13,8 +13,10 @@ in
       system = "x86_64-linux";
       specialArgs = {
         pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+        nixFlatpak = nix-flatpak;
       };
       modules = [
+        nix-flatpak.nixosModules.nix-flatpak
         home-manager.nixosModules.home-manager
         ./systems/gandalf
       ];
@@ -23,8 +25,10 @@ in
       system = "x86_64-linux";
       specialArgs = {
         pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+        nixFlatpak = nix-flatpak;
       };
       modules = [
+        nix-flatpak.nixosModules.nix-flatpak
         home-manager.nixosModules.home-manager
         ./systems/frodo
       ];
@@ -33,18 +37,34 @@ in
       system = "x86_64-linux";
       specialArgs = {
         pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+        nixFlatpak = nix-flatpak;
       };
       modules = [
+        nix-flatpak.nixosModules.nix-flatpak
         home-manager.nixosModules.home-manager
         ./systems/legolas
       ];
     };
+    "balrog" = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      specialArgs = {
+        pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+        nixFlatpak = nix-flatpak;
+      };
+      modules = [
+        nix-flatpak.nixosModules.nix-flatpak
+        home-manager.nixosModules.home-manager
+        ./systems/balrog
+      ];
+    };
     "work" = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
       specialArgs = {
         pkgsUnstable = mkPkgsUnstable "x86_64-linux";
+        nixFlatpak = nix-flatpak;
       };
       modules = [
+        nix-flatpak.nixosModules.nix-flatpak
         home-manager.nixosModules.home-manager
         ./systems/work
       ];

systems/balrog/default.nix

@@ -0,0 +1,52 @@
+# Edit this configuration file to define what should be installed on
+# your system. Help is available in the configuration.nix(5) man page, on
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+{ config, lib, pkgs, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+      ../modules/home-manager.nix
+      ../modules/common.nix
+      ../modules/users.nix
+      ../modules/locales.nix
+      ../modules/services.nix
+      ../modules/programs.nix
+      ../modules/docker.nix
+      ../modules/printing.nix
+      ../modules/bambu-studio-flatpak.nix
+    ];
+
+  boot.loader.systemd-boot.enable = false;
+  boot.loader = {
+    efi = {
+      canTouchEfiVariables = true;
+      efiSysMountPoint = "/boot/efi"; # ← use the same mount point here.
+    };
+    grub = {
+       efiSupport = true;
+       device = "nodev";
+    };
+  };
+
+  networking.hostName = "balrog";
+  networking.networkmanager.enable = true;
+  networking.nameservers = [ "192.168.68.56" "1.1.1.1" "8.8.8.8" ];
+
+  hardware.enableAllFirmware = true;
+
+  boot.initrd.kernelModules = [ "wl" ]; boot.kernelModules = [ "wl" "kvm-intel" ];
+
+  boot.extraModulePackages = with config.boot.kernelPackages; [
+    broadcom_sta
+  ];
+
+  nixpkgs.config = {
+    allowInsecurePredicate = pkg: builtins.elem (lib.getName pkg) ["broadcom-sta"]; 
+  };
+  hardware.bluetooth.enable = true;
+  services.blueman.enable = true;
+  system.stateVersion = "25.11"; # Did you read the comment?
+}

systems/balrog/hardware-configuration.nix

@@ -0,0 +1,31 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/6795dc19-3130-4693-b04c-a2c56fbdbd55";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/A202-E19C";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

systems/gandalf/default.nix

@@ -23,7 +23,7 @@
       ../modules/qbittorrent.nix
       ../modules/gimp.nix
       ../modules/openscad.nix
-      ../modules/flatpak.nix
+      ../modules/bambu-studio-flatpak.nix
     ];
 
   boot.loader.systemd-boot.enable = true;

systems/modules/bambu-studio-flatpak.nix

@@ -0,0 +1,8 @@
+{ pkgs, ...}:
+
+{
+  services.flatpak.enable = true;
+  services.flatpak.packages = [
+    "com.bambulab.BambuStudio"
+  ];
+}

systems/modules/bambu-studio.nix

@@ -1,7 +0,0 @@
-{ config, pkgs, ... } :
-
-{
-  environment.systemPackages = with pkgs; [
-    bambu-studio
-  ];
-}

systems/modules/flatpak.nix

@@ -1,5 +0,0 @@
-{ pkgs, ...}: 
-
-{
-  services.flatpak.enable = true;
-}

systems/modules/home/programs/git.nix

@@ -1,4 +1,4 @@
-{ lib, pkgs, config, ... }:
+{ lib, pkgsUnstable, config, ... }:
 
 {
   options.home.git = {
@@ -18,6 +18,7 @@
   config = {
     programs.git = {
       enable = true;
+      package = pkgsUnstable.git;
       settings.user = {
         name = config.home.git.userName;
         email = config.home.git.userEmail;

systems/modules/ollama.nix

@@ -1,9 +1,9 @@
-{ pkgs, ... }:
+{ pkgsUnstable, ... }:
 
 {
   services.ollama = {
     enable = true;
-    package = pkgs.ollama-cuda;
+    package = pkgsUnstable.ollama-cuda;
   };
 
   services.open-webui.enable = true;