dev suite: remove latex

Normally I wont have VPN access on standalone

flake.lock

@@ -58,11 +58,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1762276996,
+        "lastModified": 1764627417,
-        "narHash": "sha256-TtcPgPmp2f0FAnc+DMEw4ardEgv1SGNR3/WFGH0N19M=",
+        "narHash": "sha256-D6xc3Rl8Ab6wucJWdvjNsGYGSxNjQHzRc2EZ6eeQ6l4=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "af087d076d3860760b3323f6b583f4d828c1ac17",
+        "rev": "5a88a6eceb8fd732b983e72b732f6f4b8269bef3",
         "type": "github"
       },
       "original": {
@@ -111,11 +111,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1762440070,
+        "lastModified": 1763759067,
-        "narHash": "sha256-xxdepIcb39UJ94+YydGP221rjnpkDZUlykKuF54PsqI=",
+        "narHash": "sha256-LlLt2Jo/gMNYAwOgdRQBrsRoOz7BPRkzvNaI/fzXi2Q=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "26d05891e14c88eb4a5d5bee659c0db5afb609d8",
+        "rev": "2cccadc7357c0ba201788ae99c4dfa90728ef5e0",
         "type": "github"
       },
       "original": {
@@ -203,16 +203,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1758463745,
+        "lastModified": 1764866045,
-        "narHash": "sha256-uhzsV0Q0I9j2y/rfweWeGif5AWe0MGrgZ/3TjpDYdGA=",
+        "narHash": "sha256-0GsEtXV9OquDQ1VclQfP16cU5VZh7NEVIOjSH4UaJuM=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "3b955f5f0a942f9f60cdc9cacb7844335d0f21c3",
+        "rev": "f63d0fe9d81d36e5fc95497217a72e02b8b7bcab",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-25.05",
+        "ref": "release-25.11",
         "repo": "home-manager",
         "type": "github"
       }
@@ -385,11 +385,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1751903740,
+        "lastModified": 1764234087,
-        "narHash": "sha256-PeSkNMvkpEvts+9DjFiop1iT2JuBpyknmBUs0Un0a4I=",
+        "narHash": "sha256-NHF7QWa0ZPT8hsJrvijREW3+nifmF2rTXgS2v0tpcEA=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "032decf9db65efed428afd2fa39d80f7089085eb",
+        "rev": "032a1878682fafe829edfcf5fdfad635a2efe748",
         "type": "github"
       },
       "original": {
@@ -400,11 +400,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1762847253,
+        "lastModified": 1764440730,
-        "narHash": "sha256-BWWnUUT01lPwCWUvS0p6Px5UOBFeXJ8jR+ZdLX8IbrU=",
+        "narHash": "sha256-ZlJTNLUKQRANlLDomuRWLBCH5792x+6XUJ4YdFRjtO4=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "899dc449bc6428b9ee6b3b8f771ca2b0ef945ab9",
+        "rev": "9154f4569b6cdfd3c595851a6ba51bfaa472d9f3",
         "type": "github"
       },
       "original": {
@@ -446,11 +446,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1762596750,
+        "lastModified": 1764950072,
-        "narHash": "sha256-rXXuz51Bq7DHBlfIjN7jO8Bu3du5TV+3DSADBX7/9YQ=",
+        "narHash": "sha256-BmPWzogsG2GsXZtlT+MTcAWeDK5hkbGRZTeZNW42fwA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "b6a8526db03f735b89dd5ff348f53f752e7ddc8e",
+        "rev": "f61125a668a320878494449750330ca58b78c557",
         "type": "github"
       },
       "original": {
@@ -474,16 +474,16 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1762756533,
+        "lastModified": 1764831616,
-        "narHash": "sha256-HiRDeUOD1VLklHeOmaKDzf+8Hb7vSWPVFcWwaTrpm+U=",
+        "narHash": "sha256-OtzF5wBvO0jgW1WW1rQU9cMGx7zuvkF7CAVJ1ypzkxA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c2448301fb856e351aab33e64c33a3fc8bcf637d",
+        "rev": "c97c47f2bac4fa59e2cbdeba289686ae615f8ed4",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-25.05",
+        "ref": "nixos-25.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -498,16 +498,16 @@
         "systems": "systems_5"
       },
       "locked": {
-        "lastModified": 1762722066,
+        "lastModified": 1764755396,
-        "narHash": "sha256-Kph9HBaDqN0dOvsb8fnhoyj4mpxF6RfoqzVqXxvpzVY=",
+        "narHash": "sha256-f6UrlGdwg+TIxxyDjeq1M7WGNZH/vpbOm0yzPgkMy9c=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "b36fcf1d64e782488fc6296eaa4f26d6cae4e090",
+        "rev": "64d9e2616f4ee2acee380d61ccf1f3d610e7e969",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "nixos-25.05",
+        "ref": "nixos-25.11",
         "repo": "nixvim",
         "type": "github"
       }
@@ -585,11 +585,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1762812535,
+        "lastModified": 1764483358,
-        "narHash": "sha256-A91a+K0Q9wfdPLwL06e/kbHeAWSzPYy2EGdTDsyfb+s=",
+        "narHash": "sha256-EyyvCzXoHrbL467YSsQBTWWg4sR96MH1sPpKoSOelB4=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "d75e4f89e58fdda39e4809f8c52013caa22483b7",
+        "rev": "5aca6ff67264321d47856a2ed183729271107c9c",
         "type": "github"
       },
       "original": {
@@ -724,11 +724,11 @@
     "yazi-flavors": {
       "flake": false,
       "locked": {
-        "lastModified": 1761204921,
+        "lastModified": 1763969227,
-        "narHash": "sha256-bavHcmeGZ49nNeM+0DSdKvxZDPVm3e6eaNmfmwfCid0=",
+        "narHash": "sha256-twgXHeIj52EfpMpLrhxjYmwaPnIYah3Zk/gqCNTb2SQ=",
         "owner": "yazi-rs",
         "repo": "flavors",
-        "rev": "f6b425a6d57af39c10ddfd94790759f4d7612332",
+        "rev": "3edeb49597e1080621a9b0b50d9f0a938b8f62bb",
         "type": "github"
       },
       "original": {

flake.nix

@@ -3,7 +3,7 @@
 
   inputs = {
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
     systems.url = "github:nix-systems/default-linux";
     nixos-hardware.url = "github:nixos/nixos-hardware";
     impermanence.url = "github:nix-community/impermanence";
@@ -16,7 +16,7 @@
     };
 
     home-manager = {
-      url = "github:nix-community/home-manager/release-25.05";
+      url = "github:nix-community/home-manager/release-25.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     sops-nix = {
@@ -38,7 +38,7 @@
       flake = false;
     };
     nixvim = {
-      url = "github:nix-community/nixvim/nixos-25.05";
+      url = "github:nix-community/nixvim/nixos-25.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nix-matlab = {

homes/julian/aspi.nix

@@ -11,6 +11,8 @@
     ./features/alacritty
     ./features/yazi
     ./features/emacs
+    ./features/tmux
+    ./features/qt-distrobox
 
     ./features/hyprland
 

homes/julian/features/emacs/default.nix

@@ -52,6 +52,14 @@ in {
       shfmt
       pyright
       clang-tools # c++ lsp etc
+      ccls # alternative c++ lsp
+      cmake
+      bear
+      cmake-language-server
+
+      # qt6.full # qt tools and libs including lsp
+      tinymist # typst lsp
+
       ltex-ls # latex languagetool
 
       graphviz

homes/julian/features/fonts/default.nix

@@ -12,7 +12,7 @@ with lib; {
     dejavu_fonts
     noto-fonts
     noto-fonts-cjk-sans
-    noto-fonts-emoji
+    noto-fonts-color-emoji
     liberation_ttf
     fira-code
     fira-code-symbols

homes/julian/features/hyprland/default.nix

@@ -228,6 +228,10 @@ in {
         vfr = true; # power saving
       };
 
+      cursor = {
+        no_hardware_cursors = 1; # disable hardware cursors to fix tearing on kardorf
+      };
+
       render = {
         # we do, in fact, want direct scanout
         direct_scanout = true;
@@ -244,7 +248,9 @@ in {
       windowrulev2 = [
         "suppressevent maximize, class:.*"
         "workspace 1, class:firefox"
+        "workspace 8, class:Zotero"
         "workspace 9, class:nheko"
+        "workspace 9, class:discord"
         "workspace 9, class:org.telegram.desktop"
         "workspace 10, class:thunderbird"
         "float, class:qalculate-gtk"

homes/julian/features/neovim/default.nix

@@ -3,8 +3,9 @@
   pkgs,
   inputs,
   ...
-}: {
+}:
-  imports = [inputs.nixvim.homeManagerModules.nixvim];
+{
+  imports = [ inputs.nixvim.homeModules.nixvim ];
 
   home.sessionVariables = {
     EDITOR = "nvim";
@@ -78,6 +79,7 @@
       neogit.enable = true; # like magit
       trouble.enable = true;
       web-devicons.enable = true;
+      orgmode.enable = true; # org-mode support
 
       # Shows file trees
       oil = {

homes/julian/features/qt-distrobox/default.nix

@@ -0,0 +1,22 @@
+{
+  programs.distrobox = {
+    enable = true;
+    containers."qt-distrobox" = {
+      image = "debian:12.2";
+      exported_apps = "qtcreator";
+      enableSystemdUnit = false; # fails in creating and does not recreate. Do distrobox-assemble create --replace --file ~/.config/distrobox/containers.ini instead
+      additional_packages = [
+        "qtcreator"
+        "qt6-base-dev"
+        "qt6-wayland"
+        "qt6-tools-dev-tools"
+        "qt6-tools-dev"
+        "qt6-serialbus-dev"
+        "qt6-websockets-dev"
+        "libgl1-mesa-dev"
+        "build-essential"
+        "cmake"
+      ];
+    };
+  };
+}

homes/julian/features/suites/cli/default.nix

@@ -1,7 +1,7 @@
 {pkgs, ...}: {
   home.packages = with pkgs; [
     bat
-    du-dust # Like du tree but better
+    dust # Like du tree but better
     fd # better find
     fdupes # find and delete duplicate files
     ffmpeg
@@ -24,7 +24,7 @@
     p7zip # unzip 7zip archives
     parted
     pciutils # lspci
-    poppler_utils # Pdf utils including pdfimages
+    poppler-utils # Pdf utils including pdfimages
     libqalculate # Nice tui calculator (qalc)
     ripgrep # better grep
     rnr # renaming tool

homes/julian/features/suites/desktop/default.nix

@@ -27,7 +27,7 @@
     # element-desktop
     # rocketchat-desktop
     thunderbird
-    tdesktop # telegram
+    telegram-desktop # telegram
     # schildichat-desktop # not updated regularly
     nheko
     evince # Simple pdf reader, good for focusing on document content
@@ -43,7 +43,7 @@
     nomacs # Image viewer
     kdePackages.okular # Pdf reader with many features, good for commenting documents
     pavucontrol
-    unstable.pdfsam-basic # Split, merge, etc for pdfs
+    pdfsam-basic # Split, merge, etc for pdfs
     qalculate-gtk # Nice gui calculator
     qpdfview
     # qutebrowser
@@ -51,7 +51,7 @@
     # rpi-imager # make isos
     # rustdesk
     tor-browser
-    unstable.rusty-path-of-building # Path of Building for poe1 and poe2
+    rusty-path-of-building # Path of Building for poe1 and poe2
     # frajul.pob-dev-version # Path of Building
     vlc
     wineWowPackages.stable # 32-bit and 64-bit wine

homes/julian/features/suites/development/default.nix

@@ -9,7 +9,7 @@
     clippy
     cntr # nix debugger
     conda
-    micromamba # a better, faster conda
+    # micromamba # a better, faster conda
     devcontainer # development container
     devenv # devbox alternative
     dbeaver-bin
@@ -21,20 +21,21 @@
     unstable.zed-editor
     jdk
     julia-bin
-    (texlive.combine {
+    # (texlive.combine {
-      # for rendering latex in inkscape
+    #   # for rendering latex in inkscape
-      inherit
+    #   inherit
-        (texlive)
+    #     (texlive)
-        scheme-medium
+    #     scheme-medium
-        standalone
+    #     standalone
-        amsmath
+    #     amsmath
-        preview
+    #     preview
-        # needed for org mode export
+    #     # needed for org mode export
-        wrapfig
+    #     wrapfig
-        capt-of
+    #     capt-of
-        biblatex
+    #     biblatex
-        ;
+    #     ;
-    })
+    # })
+    vagrant
     matlab # Using nix-matlab overlay defined in flake
     maven
     nodejs

homes/julian/features/tmux/default.nix

@@ -0,0 +1,10 @@
+{
+  programs.tmux = {
+    enable = true;
+    clock24 = true;
+    keyMode = "vi";
+    customPaneNavigationAndResize = true; # use hjkl
+    mouse = true;
+    prefix = "C-Space"; # use instead of C-b
+  };
+}

homes/julian/features/yazi/default.nix

@@ -9,8 +9,8 @@
   home.packages = with pkgs; [
     exiftool
     unar # extract archives
-    xdragon # dragndrop
+    dragon-drop # dragndrop
-    poppler_utils # pdf preview
+    poppler-utils # pdf preview
     fd
     ripgrep
     fzf

homes/julian/hm-standalone-config.nix

@@ -1,6 +1,5 @@
 # Only apply this to home-manager standalone
-{ outputs, ... }:
+{outputs, ...}: {
-{
   # Apply overlays
   nixpkgs = {
     overlays = builtins.attrValues outputs.overlays;
@@ -20,13 +19,13 @@
       "https://nix-community.cachix.org"
       "https://cache.nixos.org/"
       "https://hyprland.cachix.org"
-      "http://binarycache.julian-mutter.de"
+      "https://devenv.cachix.org"
     ];
     trusted-public-keys = [
       "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
       "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
-      "binarycache.julian-mutter.de:oJ67uRFwRhNPKL58CHzy3QQLv38Kx7OA1K+6xlEPu7E="
+      "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
     ];
 
     trusted-users = [

homes/julian/kardorf.nix

@@ -8,11 +8,14 @@
     ./features/neovim
     ./features/ghostty
     ./features/wezterm
+    ./features/alacritty
     ./features/yazi
     ./features/emacs
 
-    # ./features/hyprland
+    ./features/tmux
-    ./features/i3
+    ./features/qt-distrobox
+    ./features/hyprland
+    # ./features/i3
 
     ./features/suites/cli
     ./features/suites/desktop
@@ -21,7 +24,7 @@
 
   hostName = "kardorf";
   is-nixos = true;
-  terminal = "ghostty";
+  terminal = "alacritty";
 
   #  ---------   ---------
   # | DVI-D-1 | | DVI-D-2 |

homes/julian/v3ms/default.nix

@@ -13,6 +13,7 @@
     ../features/yazi
     ../features/emacs
     ../features/nix-helper
+    ../features/qt-distrobox
   ];
 
   hostName = "aspi";

homes/julian/v3ms/fonts.nix

@@ -5,7 +5,7 @@ with pkgs; [
   dejavu_fonts
   noto-fonts
   noto-fonts-cjk-sans
-  noto-fonts-emoji
+  noto-fonts-color-emoji
   liberation_ttf
   fira-code
   fira-code-symbols

homes/julian/v3ms/packages.nix

@@ -31,7 +31,7 @@ with pkgs; [
   ffmpeg
   julia-bin
 
-  poppler_utils # Pdf utils including pdfimages
+  poppler-utils # Pdf utils including pdfimages
   sage
 
   pkg-config # Often needed to build something

hosts/aspi/default.nix

@@ -20,7 +20,7 @@
     ../common/optional/virtualbox.nix
 
     ../common/optional/podman.nix
-    # ../common/optional/wireguard.nix
+    ../common/optional/wireguard.nix
     ../common/optional/flatpak.nix
 
     ../common/optional/avahi.nix
@@ -42,6 +42,7 @@
     };
   };
 
+  programs.hyprland.enable = true;
   services.desktopManager.plasma6.enable = true;
 
   services.blueman.enable = true;
@@ -50,8 +51,8 @@
   programs.steam.enable = true;
 
   # TODO: not working
-  services.logind.lidSwitch = "lock";
+  # services.logind.lidSwitch = "lock";
-  services.logind.lidSwitchDocked = "lock";
+  # services.logind.lidSwitchDocked = "lock";
 
   programs.kdeconnect.enable = true;
 

hosts/common/global/default.nix

@@ -41,8 +41,9 @@
     "8.8.8.8"
   ];
 
-  # HM
+  # HM module
-  home-manager.useGlobalPkgs = true;
+  home-manager.useGlobalPkgs = true; # hm module uses the pkgs of the nixos config
+  home-manager.backupFileExtension = "hm-backup"; # backup conflicting files. So hm activation never fails
   home-manager.extraSpecialArgs = {
     inherit inputs outputs;
   };

hosts/common/global/nix.nix

@@ -2,7 +2,8 @@
   lib,
   outputs,
   ...
-}: {
+}:
+{
   # Apply overlays
   nixpkgs = {
     # TODO: apply this to hm and nixos without duplicate code
@@ -18,7 +19,9 @@
     };
   };
 
-  nix.settings.auto-optimise-store = lib.mkDefault true;
+  # optimize at every build, slows down builds
+  # better to do optimise.automatic for regular optimising
+  # nix.settings.auto-optimise-store = lib.mkDefault true;
   nix.settings.experimental-features = [
     "nix-command"
     "flakes"
@@ -29,8 +32,11 @@
   nix.gc = {
     automatic = true;
     dates = "weekly";
-    # Keep the last 3 generations
+    options = "--delete-older-than 30d";
-    options = "--delete-older-than +3";
+  };
+  nix.optimise = {
+    automatic = true;
+    dates = [ "weekly" ]; # Optional; allows customizing optimisation schedule
   };
 
   programs.nix-ld.enable = true;

hosts/common/optional/greetd.nix

@@ -1,26 +1,9 @@
-{
+{config, ...}: let
-  pkgs,
-  lib,
-  config,
-  ...
-}: let
   homeCfgs = config.home-manager.users;
-  homeSharePaths = lib.mapAttrsToList (_: v: "${v.home.path}/share") homeCfgs;
-  vars = ''XDG_DATA_DIRS="$XDG_DATA_DIRS:${lib.concatStringsSep ":" homeSharePaths}" GTK_USE_PORTAL=0'';
-
   julianCfg = homeCfgs.julian;
-
-  sway-kiosk = command: "${lib.getExe pkgs.sway} --unsupported-gpu --config ${pkgs.writeText "kiosk.config" ''
-    output * bg #000000 solid_color
-    xwayland disable
-    input "type:touchpad" {
-      tap enabled
-    }
-    exec '${vars} ${command}; ${pkgs.sway}/bin/swaymsg exit'
-  ''}";
 in {
   users.extraUsers.greeter = {
-    # For caching and such
+    # For caching
     home = "/tmp/greeter-home";
     createHome = true;
   };
@@ -33,13 +16,22 @@ in {
     cursorTheme = {
       inherit (julianCfg.gtk.cursorTheme) name package;
     };
+    cageArgs = [
+      "-s"
+      "-m"
+      "last"
+    ]; # multimonitor use last monitor
     # settings.background = {
     #   path = julianCfg.wallpaper;
     #   fit = "Cover";
     # }; # TODO: fix
-  };
+
-  services.greetd = {
+    # TODO: setting keyboard language does not work
-    enable = true;
+    # settings = {
-    settings.default_session.command = sway-kiosk (lib.getExe config.programs.regreet.package);
+    #   env = {
+    #     XKB_DEFAULT_LAYOUT = "de";
+    #     # XKB_DEFAULT_VARIANT = "altgr-intl";
+    #   };
+    # };
   };
 }

hosts/common/optional/pcmanfm.nix

@@ -1,7 +1,7 @@
 {pkgs, ...}: {
   environment.systemPackages = with pkgs; [
     shared-mime-info # extended mimetype support
-    lxde.lxmenu-data # open with "Installed Applications"
+    lxmenu-data # open with "Installed Applications"
     pcmanfm
   ];
 

hosts/common/users/yukari/default.nix

@@ -55,7 +55,7 @@ in {
         # element-desktop
         # rocketchat-desktop
         thunderbird
-        tdesktop # telegram
+        telegram-desktop # telegram
         # schildichat-desktop # not updated regularly
         nheko
         evince # Simple pdf reader, good for focusing on document content

hosts/kardorf/default.nix

@@ -1,4 +1,5 @@
-{pkgs, ...}: {
+{ pkgs, ... }:
+{
   imports = [
     ./hardware-configuration.nix
 
@@ -7,21 +8,22 @@
     ../common/users/wolfi
     ../common/optional/binarycaches.nix
 
-    ../common/optional/xserver.nix
+    # ../common/optional/xserver.nix
     ../common/optional/remote-builder.nix
     ../common/optional/boot-efi.nix
 
-    # ../common/optional/greetd.nix
+    ../common/optional/greetd.nix
-
-    ../common/optional/gdm.nix
-    ../common/optional/i3.nix
-
-    ../common/optional/openssh.nix
-
     ../common/optional/authentication.nix
     ../common/optional/pcmanfm.nix
     ../common/optional/pipewire.nix
 
+    ../common/optional/virtualbox.nix
+
+    # ../common/optional/gdm.nix
+    # ../common/optional/i3.nix
+
+    ../common/optional/openssh.nix
+
     ../common/optional/podman.nix
     ../common/optional/flatpak.nix
   ];
@@ -32,8 +34,11 @@
   # Not using the drivers leads to way better results
   # services.xserver.videoDrivers = [ "nvidia" ];
 
+  networking.networkmanager.insertNameservers = [ "192.168.3.252" ];
+
   programs.kdeconnect.enable = true;
 
+  programs.hyprland.enable = true;
   services.desktopManager.plasma6.enable = true;
 
   # Enable CUPS to print documents.

hosts/pianonix/default.nix

@@ -26,6 +26,26 @@
     ../common/optional/avahi.nix
   ];
 
+  environment.systemPackages = [
+    (pkgs.python3.withPackages (p:
+      with p; [
+        numpy
+        pillow
+        flask
+        rpi-gpio
+        webcolors
+        psutil
+        mido
+        rtmidi-python
+        spidev
+        waitress
+        websockets
+        werkzeug
+
+        pkgs.frajul.rpi-ws281x-python
+      ]))
+  ];
+
   # disko.devices.disk.main.device = "/dev/mmcblk1";
 
   # enabled by fish, disabling speeds up builds
@@ -169,7 +189,7 @@
     };
   };
 
-  networking.firewall.enable = true;
+  networking.firewall.enable = false;
   networking.firewall.allowedTCPPorts = [
     5900 # for vnc
   ];
@@ -201,7 +221,7 @@
   hardware.raspberry-pi."4".apply-overlays-dtmerge.enable = true;
   hardware.deviceTree = {
     enable = true;
-    filter = lib.mkForce "*-rpi-*.dtb";
+    filter = lib.mkForce "*-rpi-4*.dtb";
     overlays = [
       {
         name = "spi";
@@ -234,4 +254,23 @@
 
   ## My own Piano LED Visualizer
   services.piano-led-visualizer.enable = true;
+
+  ## Crude fix for avahi
+  systemd.timers.avahiRestart = {
+    description = "Restart avahi-daemon every 5 minutes";
+    wantedBy = ["timers.target"];
+    timerConfig = {
+      OnBootSec = "5min";
+      OnUnitActiveSec = "5min";
+      Unit = "avahiRestart.service";
+    };
+  };
+
+  systemd.services.avahiRestart = {
+    description = "Restart avahi-daemon service";
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${pkgs.systemd}/bin/systemctl restart avahi-daemon.service";
+    };
+  };
 }

hosts/pianonix/hardware-configuration.nix

@@ -15,6 +15,7 @@
   boot.kernelModules = [];
   boot.extraModulePackages = [];
   boot.kernelPackages = pkgs.linuxKernel.packages.linux_rpi4;
+  boot.blacklistedKernelModules = ["snd_bcm2835"]; # Disables sound, required for ws281x to work
   # boot.supportedFilesystems = lib.mkForce [
   #   # remove zfs, since its incompatible with latest kernel
   #   "vfat"

modules/nixos/frajul-auto-upgrade.nix

@@ -27,6 +27,10 @@ in {
   };
 
   config = lib.mkIf cfg.enable {
+    security.sudo.extraConfig = ''
+      root ALL=(julian) NOPASSWD: ${pkgs.git}/bin/git -C "${cfg.flakePath}" commit -m *
+    '';
+
     # Ensure the flag directory exists
     systemd.tmpfiles.rules = [
       "d /var/lib/frajul-auto-upgrade 0755 root root -"
@@ -67,11 +71,16 @@ in {
         echo $$ > "$LOCK_FILE"
         trap 'rm -f "$LOCK_FILE"' EXIT
 
-        if /run/current-system/sw/bin/nix flake update --flake "${cfg.flakePath}" && /run/current-system/sw/bin/nixos-rebuild switch --flake "${cfg.flakePath}"; then
+        # Back up flake.lock
+        cp -f "${cfg.flakePath}/flake.lock" /var/lib/frajul-auto-upgrade/flake.lock.bak
+
+        # Try updating
+        if /run/current-system/sw/bin/nix flake update --flake "${cfg.flakePath}" && /run/current-system/sw/bin/nixos-rebuild switch --flake "${cfg.flakePath}" && ${pkgs.sudo}/bin/sudo -u julian git -C "${cfg.flakePath}" commit -m "Auto-update flake.lock" -- flake.lock; then
             echo "success" > "$LAST_STATUS_FILE"
         else
             echo "failure" > "$LAST_STATUS_FILE"
-            git -C "${cfg.flakePath}" restore flake.lock
+            # Restore flake.lock
+            cp -f /var/lib/frajul-auto-upgrade/flake.lock.bak "${cfg.flakePath}/flake.lock"
         fi
 
         # Write full timestamp

modules/nixos/piano-led-visualizer.nix

@@ -26,6 +26,9 @@ in {
     users.users.${cfg.user} = {
       isSystemUser = true;
       group = cfg.group;
+      createHome = true;
+      home = "/home/${cfg.user}";
+      extraGroups = ["wheel" "gpio"];
     };
     users.groups.${cfg.group} = {};
 
@@ -36,11 +39,12 @@ in {
       wantedBy = ["multi-user.target"];
 
       serviceConfig = {
+        WorkingDirectory = "/home/${cfg.user}/Piano-LED-Visualizer";
         ExecStart = "${pkgs.frajul.piano-led-visualizer}/bin/piano-led-visualizer";
         Restart = "always";
         Type = "simple";
-        User = cfg.user;
+        # User = cfg.user;
-        Group = cfg.group;
+        # Group = cfg.group;
       };
     };
   };

pkgs/default.nix

@@ -14,5 +14,7 @@
   wl-ocr = pkgs.callPackage ./wl-ocr {};
   rtklib = pkgs.qt6Packages.callPackage ./rtklib {};
   pob2-frajul = pkgs.callPackage ./pob2-frajul {};
+
+  rpi-ws281x-python = pkgs.callPackage ./rpi-ws281x-python {};
   piano-led-visualizer = pkgs.callPackage ./piano-led-visualizer {};
 }

pkgs/piano-led-visualizer/default.nix

@@ -1,10 +1,12 @@
 {
   lib,
   python3,
+  callPackage,
   fetchFromGitHub,
   ...
 }: let
   pythonPackages = python3.pkgs;
+  rpi-ws281x-python = callPackage ../rpi-ws281x-python {inherit python3;};
 in
   pythonPackages.buildPythonApplication rec {
     pname = "piano-led-visualizer";
@@ -36,7 +38,8 @@ in
       waitress
       websockets
       werkzeug
-      # rpi_ws281x
+
+      rpi-ws281x-python
     ];
 
     format = "setuptools";

pkgs/rpi-ws281x-python/default.nix

@@ -0,0 +1,37 @@
+{
+  lib,
+  python3,
+  fetchFromGitHub,
+  pkgs,
+}:
+python3.pkgs.buildPythonPackage rec {
+  pname = "rpi-ws281x";
+  version = "5.0.0";
+
+  src = fetchFromGitHub {
+    owner = "rpi-ws281x";
+    repo = "rpi-ws281x-python";
+    rev = "v${version}";
+    sha256 = "sha256-CVPibDs1QLeXhtoEBw3JplKIIUpzahjgJKy8GVy99Wk=";
+    fetchSubmodules = true;
+  };
+
+  format = "setuptools";
+
+  propagatedBuildInputs = with python3.pkgs; [
+    setuptools
+    wheel
+  ];
+
+  postUnpack = ''
+    sourceRoot="$sourceRoot/library"
+  '';
+
+  meta = with lib; {
+    description = "Python bindings for the rpi_ws281x C library";
+    homepage = "https://github.com/rpi-ws281x/rpi-ws281x-python";
+    license = licenses.mit;
+    maintainers = [];
+    platforms = platforms.linux;
+  };
+}