added chromebook config

flake.nix

@@ -24,6 +24,13 @@
           ./system/vm/configuration.nix
         ];
       };
+      chromebook = lib.nixosSystem {
+        inherit system;
+        specialArgs = { inherit unstable; };
+        modules = [
+          ./system/chromebook/configuration.nix
+        ];
+      };
       my-hp = lib.nixosSystem {
         inherit system;
         specialArgs = { inherit unstable; };

system/chromebook/configuration.nix

@@ -0,0 +1,239 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, lib, unstable, ... }:
+
+{
+  imports =
+    [ # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  # legacy boot
+  #boot.loader.grub.enable = true;
+  #boot.loader.grub.device = "/dev/vda";
+  #boot.loader.grub.useOSProber = true;
+
+  # UEFI boot
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  #boot.loader.efi.efiSysMountPoint = "/boot/efi";
+
+  boot.binfmt.registrations.appimage = {
+    interpreter = "${pkgs.appimage-run}/bin/appimage-run";
+    recognitionType = "magic";
+    offset = 0;
+    mask = ''\xff\xff\xff\xff\x00\x00\x00\x00\xff\xff\xff'';
+    magicOrExtension = ''\x7fELF....AI\x02'';
+  };
+
+  # boot logo
+  boot.plymouth.enable = true;
+
+  # ZRAM
+  zramSwap.enable = true;
+  zramSwap.memoryPercent = 50;
+  boot.kernel.sysctl = {
+    "vm.swappiness" = 10;
+    "vm.vsf_cache_pressure" = 50;
+  };
+
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
+  boot.kernelPackages = pkgs.linuxPackages_xanmod_stable;
+  #boot.extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
+
+  networking.hostName = "vincents-chonky-hp"; # Define your hostname.
+  networking.networkmanager.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "America/New_York";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    useXkbConfig = true;
+  };
+  #fonts.packages = [ pkgs.corefonts ];
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+  # displaylink
+  #services.xserver.videoDrivers = [ "displaylink" "modesetting" ];
+
+  # waydroid
+  #virtualisation.waydroid.enable = true;
+
+  # Enable the Cinnamon Desktop Environment.
+  services.xserver.displayManager.lightdm.enable = true;
+  services.xserver.desktopManager.xfce.enable = true;
+  #programs.kdeconnect.enable = true;
+
+  # Configure keymap in X11
+  services.xserver = {
+    xkb.layout = "us";
+    #xkb.variant = "colemak";
+    xkb.model = "chromebook";
+  };
+  services.xserver.xkb.options = "grp:win_space_toggle";
+
+  # Enable CUPS to print documents.
+  #services.printing.enable = true;
+  #services.printing.openFirewall = true;
+  #services.avahi.enable = true;
+  #services.avahi.nssmdns4 = true;
+  #services.avahi.openFirewall = true;
+  #services.printing.drivers = [ pkgs.hplip ];
+
+  # Enable sound with pipewire.
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    jack.enable = true;
+
+    # use the example session manager (no others are packaged yet so this is en>
+    # no need to redefine it in your config for now)
+    wireplumber.enable = true;
+  };
+  #programs.noisetorch.enable = true;
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  services.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.vincent = {
+    isNormalUser = true;
+    shell = pkgs.fish;
+    initialHashedPassword = "$y$j9T$0PPbSXGEwyGq6ZFvJMhmE/$D5ZlKOwR/4NCDD8eaxWiQiG1TTRSK4PfbQe/Tm60Id/";
+    extraGroups = [ "wheel" "networkmanager" "uniput" "lp" "audio" "video" "cdrom" "input" "libvirtd" "dialout" ];
+  };
+  programs.fish.enable = true;
+
+  nix.extraOptions = ''experimental-features = nix-command flakes'';
+
+  nixpkgs.config.permittedInsecurePackages = [
+    "electron-12.2.3"
+    "electron-27.3.11"
+  ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment = {
+    systemPackages = with pkgs; [
+      bleachbit
+      btop
+      git
+      clamtk
+      topgrade
+      appimage-run
+      nano
+      # 3d pirint
+      freecad
+      orca-slicer
+      # package manager
+      wget
+      # web browser
+      librewolf
+    ];
+  };
+
+
+  # bluetooth
+  hardware.bluetooth.enable = true;
+
+  # dconf
+  programs.dconf.enable = true;
+
+  # enable the tailscale service
+  services.tailscale.enable = true;
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  programs.mtr.enable = true;
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  # List services that you want to enable:
+
+  # preload
+  services.preload.enable = true;
+
+  # schedualer
+  services.system76-scheduler.enable = true;
+
+  # Enable the OpenSSH daemon.
+  services.openssh.enable = false;
+
+  # auto clean
+  nix.optimise.automatic = true;
+
+  # enable fwupd
+  services.fwupd.enable = true;
+
+  # auto update
+  system.autoUpgrade.enable = true;
+  system.autoUpgrade.allowReboot = true;
+  system.autoUpgrade.rebootWindow = {
+    lower = "01:00";
+    upper = "05:00";
+  };
+
+  #clamav
+  services.clamav.updater.enable = true;
+  services.clamav.daemon.enable = true;
+
+
+  # audit
+   security.auditd.enable = true;
+   security.audit.enable = true;
+   security.audit.rules = [
+     "-a exit,always -F arch=b64 -S execve"
+   ];
+
+
+  # Open ports in the firewall.
+  networking.firewall.allowedTCPPorts = [
+     22
+  ];
+#  networking.firewall.allowedUDPPorts = [
+#    48002
+#  ];
+  networking.firewall.allowedTCPPortRanges = [
+     {
+       from = 1714;
+       to = 1764;
+     }
+  ];
+  networking.firewall.allowedUDPPortRanges = [
+     {
+       from = 1714;
+       to = 1764;
+     }
+  ];
+  networking.firewall.rejectPackets = true;
+  # networking.firewall.allowedUDPPorts = [ 21116 ];
+  # Or disable the firewall altogether.
+  networking.firewall.trustedInterfaces = [ "tailscale0" ];
+
+  services.fail2ban.enable = true;
+  networking.firewall.enable = true;
+
+  # This value determines the NixOS release from which the default settings for stateful data, like file locations and database versions on your system were
+  # taken. It‘s perfectly fine and recommended to leave this value at the release version of the first install of this system. Before changing this value read
+  # the documentation for this option (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.11"; # Did you read the comment?
+
+}
+

system/chromebook/disk.nix

@@ -0,0 +1,73 @@
+{
+  disko.devices = {
+    disk = {
+      sda = {
+        type = "disk";
+        device = "/dev/mmcblk0";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              label = "boot";
+              name = "ESP";
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "defaults"
+                ];
+              };
+            };
+            luks = {
+              size = "100%";
+              label = "luks";
+              content = {
+                type = "luks";
+                name = "cryptroot";
+                extraOpenArgs = [
+                  "--allow-discards"
+                  "--perf-no_read_workqueue"
+                  "--perf-no_write_workqueue"
+                ];
+                # https://0pointer.net/blog/unlocking-luks2-volumes-with-tpm2-fido2-pkcs11-security-hardware-on-systemd-248.html
+                settings = {crypttabExtraOpts = ["fido2-device=auto" "token-timeout=10"];};
+                content = {
+                  type = "btrfs";
+                  extraArgs = ["-L" "nixos" "-f"];
+                  subvolumes = {
+                    "/root" = {
+                      mountpoint = "/";
+                      mountOptions = ["subvol=root" "compress=zstd:5" "noatime"];
+                    };
+                    "/home" = {
+                      mountpoint = "/home";
+                      mountOptions = ["subvol=home" "compress=zstd:5" "noatime"];
+                    };
+                    "/nix" = {
+                      mountpoint = "/nix";
+                      mountOptions = ["subvol=nix" "compress=zstd:5" "noatime"];
+                    };
+                    "/persist" = {
+                      mountpoint = "/persist";
+                      mountOptions = ["subvol=persist" "compress=zstd:5" "noatime"];
+                    };
+                    "/log" = {
+                      mountpoint = "/var/log";
+                      mountOptions = ["subvol=log" "compress=zstd:5" "noatime"];
+                    };
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+
+  fileSystems."/persist".neededForBoot = true;
+  fileSystems."/var/log".neededForBoot = true;
+}

system/chromebook/hardware-configuration.nix

@@ -0,0 +1,65 @@
+# 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 + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/mmcblk0p2";
+      fsType = "btrfs";
+      options = [ "subvol=root" ];
+    };
+
+  boot.initrd.luks.devices."cryptroot".device = "/dev/mmcblk0p2";
+
+  fileSystems."/boot" =
+    { device = "/dev/mmcblk01";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/mmcblk0p2";
+      fsType = "btrfs";
+      options = [ "subvol=home" "compress=zstd:5" "noatime" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/mmcblk0p2";
+      fsType = "btrfs";
+      options = [ "subvol=nix" "compress=zstd:5" "noatime" ];
+    };
+
+  fileSystems."/persist" =
+    { device = "/dev/mmcblk0p2";
+      fsType = "btrfs";
+      options = [ "subvol=persist" "compress=zstd:5" "noatime" ];
+    };
+
+  fileSystems."/var/log" =
+    { device = "/dev/mmcblk0p2";
+      fsType = "btrfs";
+      options = [ "subvol=log" "compress=zstd:5" "noatime" ];
+    };
+
+  swapDevices = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s25.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlo1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}