config/hosts/vno1-rp3b/configuration.nix

# 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,
  myData,
  ...
}: {
  # previously:
  # imports = [(modulesPath + "/installer/scan/not-detected.nix")];
  # as of 23.05 that is:
  hardware.enableRedistributableFirmware = true;

  boot.initrd.availableKernelModules = ["usbhid"];
  boot.initrd.kernelModules = ["vc4" "bcm2835_dma" "i2c_bcm2835"];
  boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
  boot.kernelModules = [];
  boot.extraModulePackages = [];

  fileSystems."/" = {
    device = "/dev/disk/by-uuid/44444444-4444-4444-8888-888888888888";
    fsType = "ext4";
  };

  swapDevices = [];

  mj = {
    stateVersion = "23.05";
    timeZone = "Europe/Vilnius";
    base = {
      users.passwd = {
        root.passwordFile = config.age.secrets.root-passwd-hash.path;
        motiejus.passwordFile = config.age.secrets.motiejus-passwd-hash.path;
      };
      unitstatus = {
        enable = true;
        email = "motiejus+alerts@jakstys.lt";
      };
    };

    services = {
      postfix = {
        enable = true;
        saslPasswdPath = config.age.secrets.sasl-passwd.path;
      };
    };
  };

  services.tailscale.enable = true;

  networking = {
    hostId = "4bd17751";
    hostName = "vno1-rp3b";
    domain = "servers.jakst";
    defaultGateway = "192.168.189.4";
    nameservers = ["192.168.189.4"];
    interfaces.enu1u1u1.ipv4.addresses = [
      {
        address = "192.168.189.5";
        prefixLength = 24;
      }
    ];
    firewall = {
      allowedUDPPorts = [];
      allowedTCPPorts = [];
      logRefusedConnections = false;
      checkReversePath = "loose"; # for tailscale
    };
  };

  powerManagement.cpuFreqGovernor = "ondemand";

  boot.loader.grub.enable = false;
  boot.loader.generic-extlinux-compatible.enable = true;

  boot.loader.raspberryPi.firmwareConfig = ''
    dtparam=audio=on
  '';

  environment.systemPackages = with pkgs; [
    libraspberrypi
  ];

  nixpkgs.hostPlatform = "aarch64-linux";

  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };
}