Update nixpkgs for wireless fix https://github.com/nixos/nixpkgs/issues/476906

Makefile

@@ -36,7 +36,17 @@ update-input:
 iso:
 	nix build .#packages.x86_64-linux.iso
 
-# Deploy a host by name (ex: 's0')
+# Build Custom kexec image
+.PHONY: kexec-img
+kexec-img:
+	nix build .#packages.x86_64-linux.kexec
+
+# Deploy a host by name (ex: 's0') but don't activate
 .PHONY: deploy
 deploy:
-	deploy --remote-build --boot --debug-logs --skip-checks .#$(filter-out $@,$(MAKECMDGOALS))
+	deploy --remote-build --boot --debug-logs --skip-checks .#$(filter-out $@,$(MAKECMDGOALS))
+
+# Deploy a host by name (ex: 's0')
+.PHONY: deploy-activate
+deploy-activate:
+	deploy --remote-build --debug-logs --skip-checks .#$(filter-out $@,$(MAKECMDGOALS))

common/pc/default.nix

@@ -61,14 +61,22 @@ in
 
     # Networking
     networking.networkmanager.enable = true;
-    users.users.googlebot.extraGroups = [ "networkmanager" ];
 
     # Printing
     services.printing.enable = true;
     services.printing.drivers = with pkgs; [
       gutenprint
     ];
-    # Printer discovery
+
+    # Scanning
+    hardware.sane.enable = true;
+    hardware.sane.extraBackends = with pkgs; [
+      # Enable support for "driverless" scanners
+      # Check for support here: https://mfi.apple.com/account/airprint-search
+      sane-airscan
+    ];
+
+    # Printer/Scanner discovery
     services.avahi.enable = true;
     services.avahi.nssmdns4 = true;
 
@@ -94,5 +102,13 @@ in
     # SSH Ask pass
     programs.ssh.enableAskPassword = true;
     programs.ssh.askPassword = "${pkgs.kdePackages.ksshaskpass}/bin/ksshaskpass";
+
+    users.users.googlebot.extraGroups = [
+      # Networking
+      "networkmanager"
+      # Scanning
+      "scanner"
+      "lp"
+    ];
   };
 }

common/pc/kde.nix

@@ -16,6 +16,7 @@ in
       # plasma5Packages.kmail-account-wizard
       kdePackages.kate
       kdePackages.kdeconnect-kde
+      kdePackages.skanpage
     ];
   };
 }

common/server/nextcloud.nix

@@ -110,10 +110,10 @@ in
           config.services.nextcloud.occ
         ];
         script = ''
-          nextcloud-occ -- config:app:set richdocuments wopi_url --value ${lib.escapeShellArg wopi_url}
-          nextcloud-occ -- config:app:set richdocuments public_wopi_url --value ${lib.escapeShellArg public_wopi_url}
-          nextcloud-occ -- config:app:set richdocuments wopi_allowlist --value ${lib.escapeShellArg wopi_allowlist}
-          nextcloud-occ -- richdocuments:setup
+          nextcloud-occ config:app:set richdocuments wopi_url --value ${lib.escapeShellArg wopi_url}
+          nextcloud-occ config:app:set richdocuments public_wopi_url --value ${lib.escapeShellArg public_wopi_url}
+          nextcloud-occ config:app:set richdocuments wopi_allowlist --value ${lib.escapeShellArg wopi_allowlist}
+          nextcloud-occ richdocuments:setup
         '';
         serviceConfig = {
           Type = "oneshot";
@@ -134,8 +134,8 @@ in
         config.services.nextcloud.occ
       ];
       script = ''
-        nextcloud-occ -- config:app:set whiteboard collabBackendUrl --value="https://${whiteboardHostname}"
-        nextcloud-occ -- config:app:set whiteboard jwt_secret_key --value="$JWT_SECRET_KEY"
+        nextcloud-occ config:app:set whiteboard collabBackendUrl --value="https://${whiteboardHostname}"
+        nextcloud-occ config:app:set whiteboard jwt_secret_key --value="$JWT_SECRET_KEY"
       '';
       serviceConfig = {
         Type = "oneshot";

common/shell.nix

@@ -6,14 +6,11 @@
 # - add some handy shell commands
 
 {
-  environment.systemPackages = with pkgs; [
-    comma
-  ];
-
   # nix-index
   programs.nix-index.enable = true;
   programs.nix-index.enableFishIntegration = true;
   programs.command-not-found.enable = false;
+  programs.nix-index-database.comma.enable = true;
 
   programs.fish = {
     enable = true;
@@ -35,21 +32,4 @@
 
     llsblk = "lsblk -o +uuid,fsType";
   };
-
-  nixpkgs.overlays = [
-    (final: prev: {
-      # comma uses the "nix-index" package built into nixpkgs by default.
-      # That package doesn't use the prebuilt nix-index database so it needs to be changed.
-      comma = prev.comma.overrideAttrs (old: {
-        nativeBuildInputs = old.nativeBuildInputs ++ [
-          prev.makeWrapper
-        ];
-        postInstall = ''
-          wrapProgram $out/bin/comma \
-            --prefix PATH : ${lib.makeBinPath [ prev.fzy config.programs.nix-index.package ]}
-          ln -s $out/bin/comma $out/bin/,
-        '';
-      });
-    })
-  ];
 }

flake.lock

@@ -239,6 +239,42 @@
         "type": "github"
       }
     },
+    "nixlib": {
+      "locked": {
+        "lastModified": 1736643958,
+        "narHash": "sha256-tmpqTSWVRJVhpvfSN9KXBvKEXplrwKnSZNAoNPf/S/s=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "1418bc28a52126761c02dd3d89b2d8ca0f521181",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixos-generators": {
+      "inputs": {
+        "nixlib": "nixlib",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1764234087,
+        "narHash": "sha256-NHF7QWa0ZPT8hsJrvijREW3+nifmF2rTXgS2v0tpcEA=",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "rev": "032a1878682fafe829edfcf5fdfad635a2efe748",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1767185284,
@@ -257,11 +293,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1768105724,
-        "narHash": "sha256-0edMCoDc1VpuqDjy0oz8cDa4kjRuhXE3040sac2iZW4=",
+        "lastModified": 1768250893,
+        "narHash": "sha256-fWNJYFx0QvnlGlcw54EoOYs/wv2icINHUz0FVdh9RIo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4c41b0361812441bf3b4427195e57ab271d5167f",
+        "rev": "3971af1a8fc3646b1d554cb1269b26c84539c22e",
         "type": "github"
       },
       "original": {
@@ -280,6 +316,7 @@
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "nix-index-database": "nix-index-database",
+        "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
         "simple-nixos-mailserver": "simple-nixos-mailserver",

flake.nix

@@ -3,6 +3,11 @@
     # nixpkgs
     nixpkgs.url = "github:NixOS/nixpkgs/master";
 
+    nixos-generators = {
+      url = "github:nix-community/nixos-generators";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     # Common Utils Among flake inputs
     systems.url = "github:nix-systems/default";
     flake-utils = {
@@ -84,7 +89,7 @@
             simple-nixos-mailserver.nixosModule
             agenix.nixosModules.default
             dailybuild_modules.nixosModule
-            nix-index-database.nixosModules.nix-index
+            nix-index-database.nixosModules.default
             home-manager.nixosModules.home-manager
             self.nixosModules.kernel-modules
             ({ lib, ... }: {
@@ -140,23 +145,22 @@
           machineHosts;
 
       packages =
+        with inputs;
         let
-          mkKexec = system:
-            (nixpkgs.lib.nixosSystem {
-              inherit system;
-              modules = [ ./machines/ephemeral/kexec.nix ];
-            }).config.system.build.kexec_tarball;
-          mkIso = system:
-            (nixpkgs.lib.nixosSystem {
-              inherit system;
-              modules = [ ./machines/ephemeral/iso.nix ];
-            }).config.system.build.isoImage;
+          mkEphemeral = system: format: nixos-generators.nixosGenerate {
+            inherit system;
+            inherit format;
+            modules = [
+              ./machines/ephemeral/minimal.nix
+              nix-index-database.nixosModules.default
+            ];
+          };
         in
         {
-          "x86_64-linux"."kexec" = mkKexec "x86_64-linux";
-          "x86_64-linux"."iso" = mkIso "x86_64-linux";
-          "aarch64-linux"."kexec" = mkKexec "aarch64-linux";
-          "aarch64-linux"."iso" = mkIso "aarch64-linux";
+          "x86_64-linux".kexec = mkEphemeral "x86_64-linux" "kexec-bundle";
+          "x86_64-linux".iso = mkEphemeral "x86_64-linux" "iso";
+          "aarch64-linux".kexec = mkEphemeral "aarch64-linux" "kexec-bundle";
+          "aarch64-linux".iso = mkEphemeral "aarch64-linux" "iso";
         };
 
       overlays.default = import ./overlays { inherit inputs; };

machines/ephemeral/iso.nix

@@ -1,12 +0,0 @@
-{ modulesPath, ... }:
-
-{
-  imports = [
-    (modulesPath + "/installer/cd-dvd/iso-image.nix")
-    ./minimal.nix
-  ];
-
-  isoImage.makeUsbBootable = true;
-
-  networking.hostName = "iso";
-}

machines/ephemeral/kexec.nix

@@ -1,48 +0,0 @@
-# From https://mdleom.com/blog/2021/03/09/nixos-oracle/#Build-a-kexec-tarball
-# Builds a kexec img
-
-{ config, pkgs, modulesPath, ... }:
-{
-  imports = [
-    (modulesPath + "/installer/netboot/netboot.nix")
-    (modulesPath + "/profiles/qemu-guest.nix")
-    ./minimal.nix
-  ];
-
-  networking.hostName = "kexec";
-
-  # stripped down version of https://github.com/cleverca22/nix-tests/tree/master/kexec
-  system.build = rec {
-    image = pkgs.runCommand "image" { buildInputs = [ pkgs.nukeReferences ]; } ''
-      mkdir $out
-      if [ -f ${config.system.build.kernel}/bzImage ]; then
-        cp ${config.system.build.kernel}/bzImage $out/kernel
-      else
-        cp ${config.system.build.kernel}/Image $out/kernel
-      fi
-      cp ${config.system.build.netbootRamdisk}/initrd $out/initrd
-      nuke-refs $out/kernel
-    '';
-    kexec_script = pkgs.writeTextFile {
-      executable = true;
-      name = "kexec-nixos";
-      text = ''
-        #!${pkgs.stdenv.shell}
-        set -e
-        ${pkgs.kexec-tools}/bin/kexec -l ${image}/kernel --initrd=${image}/initrd --append="init=${builtins.unsafeDiscardStringContext config.system.build.toplevel}/init ${toString config.boot.kernelParams}"
-        sync
-        echo "executing kernel, filesystems will be improperly umounted"
-        ${pkgs.kexec-tools}/bin/kexec -e
-      '';
-    };
-    kexec_tarball = pkgs.callPackage (modulesPath + "/../lib/make-system-tarball.nix") {
-      storeContents = [
-        {
-          object = config.system.build.kexec_script;
-          symlink = "/kexec_nixos";
-        }
-      ];
-      contents = [ ];
-    };
-  };
-}

machines/ephemeral/minimal.nix

@@ -5,6 +5,8 @@
     (modulesPath + "/installer/cd-dvd/channel.nix")
     ../../common/machine-info
     ../../common/ssh.nix
+    ../../common/flakes.nix
+    ../../common/shell.nix
   ];
 
   boot.initrd.availableKernelModules = [
@@ -22,9 +24,7 @@
   boot.kernelParams = [
     "console=ttyS0,115200" # enable serial console
   ];
-  boot.kernel.sysctl."vm.overcommit_memory" = "1";
-
-  boot.kernelPackages = pkgs.linuxPackages_latest;
+  # boot.kernelPackages = pkgs.linuxPackages_latest;
 
   system.stateVersion = "21.11";
 
@@ -38,6 +38,7 @@
     git-lfs
     wget
     htop
+    btop
     dnsutils
     pciutils
     usbutils
@@ -46,7 +47,7 @@
 
   environment.variables.GC_INITIAL_HEAP_SIZE = "1M";
 
-  networking.useDHCP = true;
+  # networking.useDHCP = true;
 
   services.openssh = {
     enable = true;
@@ -56,6 +57,7 @@
     };
   };
 
-  services.getty.autologinUser = "root";
+  nix.flakes.enable = true;
+
   users.users.root.openssh.authorizedKeys.keys = config.machines.ssh.userKeys;
 }

machines/ephemeral/sdimg.nix

@@ -1,57 +0,0 @@
-{ config, modulesPath, pkgs, lib, ... }:
-
-let
-  pinecube-uboot = pkgs.buildUBoot {
-    defconfig = "pinecube_defconfig";
-    extraMeta.platforms = [ "armv7l-linux" ];
-    filesToInstall = [ "u-boot-sunxi-with-spl.bin" ];
-  };
-in
-{
-  imports = [
-    (modulesPath + "/installer/sd-card/sd-image.nix")
-    ./minimal.nix
-  ];
-
-  sdImage.populateFirmwareCommands = "";
-  sdImage.populateRootCommands = ''
-    mkdir -p ./files/boot
-    ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot
-  '';
-  sdImage.postBuildCommands = ''
-    dd if=${pinecube-uboot}/u-boot-sunxi-with-spl.bin of=$img bs=1024 seek=8 conv=notrunc
-  '';
-
-  ###
-
-  networking.hostName = "pinecube";
-
-  boot.loader.grub.enable = false;
-  boot.loader.generic-extlinux-compatible.enable = true;
-  boot.consoleLogLevel = 7;
-
-  # cma is 64M by default which is waay too much and we can't even unpack initrd
-  boot.kernelParams = [ "console=ttyS0,115200n8" "cma=32M" ];
-
-  boot.kernelModules = [ "spi-nor" ]; # Not sure why this doesn't autoload. Provides SPI NOR at /dev/mtd0
-  boot.extraModulePackages = [ config.boot.kernelPackages.rtl8189es ];
-
-  zramSwap.enable = true; # 128MB is not much to work with
-
-  sound.enable = true;
-
-  environment.systemPackages = with pkgs; [
-    ffmpeg
-    (v4l_utils.override { withGUI = false; })
-    usbutils
-  ];
-
-  services.getty.autologinUser = lib.mkForce "googlebot";
-  users.users.googlebot = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" "networkmanager" "video" ];
-    openssh.authorizedKeys.keys = config.machines.ssh.userKeys;
-  };
-
-  networking.wireless.enable = true;
-}

machines/storage/s0/hardware-configuration.nix

@@ -65,40 +65,11 @@
     # useNetworkd = true;
     dhcpcd.enable = true;
     interfaces."eth0".useDHCP = true;
-    interfaces."eth1".useDHCP = false;
-    interfaces."main@eth1".useDHCP = true;
-    interfaces."iot@eth1".useDHCP = true;
-    interfaces."management@eth1".useDHCP = true;
-
-    vlans = {
-      main = {
-        id = 5;
-        interface = "eth1";
-      };
-      iot = {
-        id = 2;
-        interface = "eth1";
-      };
-      management = {
-        id = 4;
-        interface = "eth1";
-      };
-    };
-
-    # interfaces.eth1.ipv4.addresses = [{
-    #   address = "192.168.1.2";
-    #   prefixLength = 21;
-    # }];
-    # interfaces.iot.ipv4.addresses = [{
-    #   address = "192.168.9.8";
-    #   prefixLength = 22;
-    # }];
+    interfaces."eth1".useDHCP = true;
 
     defaultGateway = {
-      # interface = "eth1";
       address = "192.168.1.1";
     };
-    # nameservers = [ "1.1.1.1" "8.8.8.8" ];
   };
 
   powerManagement.cpuFreqGovernor = "powersave";