nix-configs/systems/orangepihole/configuration.nix

{ config, lib, pkgs, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];

  boot.loader.grub.enable = false;
  boot.loader.generic-extlinux-compatible.enable = true;
  boot.loader.timeout = 1;

  networking = {
    hostName = "orangepihole"; # Define your hostname.
    useNetworkd = true;
  };
  systemd.network.enable = true;
  systemd.network.networks."40-end0" = {
    matchConfig.Name = "end0";
    address = [ "10.42.69.2/24" "fd72:3dd5:21ae:3c97::2/64" ];
    dns = [ "10.42.69.2" "fd72:3dd5:21ae:3c97::2" ];
    domains = [ "icanttype.org" ];
    gateway = [ "10.42.69.1" ];
    networkConfig.DHCPServer = true;
    dhcpServerConfig = {
      PoolOffset = 150;
      EmitDNS = true;
      DNS = "10.42.69.2";
      EmitRouter = true;
      Router = "10.42.69.1";
    };
    networkConfig.IPv6SendRA = true;
    ipv6SendRAConfig.RouterLifetimeSec = 0;
    ipv6SendRAConfig.EmitDNS = false;
    ipv6Prefixes = [ { ipv6PrefixConfig.Prefix = "fd72:3dd5:21ae:3c97::/64"; } ];
  };
  time.timeZone = "America/New_York";

  zramSwap.enable = true;
  swapDevices = [ {device="/swapfile"; size=1024;}];
  services.resolved.enable = true;
  services.unbound = {
    enable = true;
    settings = {
      server = {
        qname-minimisation = "yes";
        interface = [ "end0" ];
        access-control = [ "10.0.0.0/8 allow" "fc::/7 allow" ];
      };
      include = [ "/etc/unbound/ads.conf" "/etc/unbound/local.conf" ];
    };
  };
  
  systemd = {
    services.adblock = {
      startAt = "daily";
      postStop = "systemctl reload unbound";
      path = with pkgs; [ gawk wget ];
      script = ''
	wget -O - https://raw.githubusercontent.com/hagezi/dns-blocklists/main/unbound/light.blacklist.conf > /etc/unbound/new.conf
	wget -O - https://raw.githubusercontent.com/hagezi/dns-blocklists/main/unbound/tif.blacklist.conf >> /etc/unbound/new.conf
	echo 'local-zone: "iogames.space." always_nxdomain' >> /etc/unbound/new.conf
	echo 'local-zone: "taming.io." always_nxdomain' >> /etc/unbound/new.conf
        awk '!seen[$0]++' /etc/unbound/new.conf > /etc/unbound/ads.conf
        rm /etc/unbound/new.conf
      '';
    };
  };
  users.users.root.openssh.authorizedKeys.keys = [ 
    "ssh-rsa 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"
  ];


  environment.systemPackages = with pkgs; [
    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
    wget
  ];

  services.openssh.enable = true;

  networking.firewall.enable = false;

  system.stateVersion = "23.11"; # Did you read the comment?
  system.autoUpgrade.allowReboot = false;
  nix.buildMachines = [ {
    hostName = "zeus";
    systems = [ "x86_64-linux" "aarch64-linux" ];
    protocol = "ssh-ng";
    sshKey = /root/.ssh/nixremote;
    sshUser = "nixremote";
    supportedFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
  }];
  nix.distributedBuilds = true;
  nix.extraOptions = "builders-use-substitutes = true";
  nix.settings.experimental-features = [ "nix-command" "flakes" ];
  nix.gc.automatic = true;
  nix.gc.options = "--delete-older-than 7d";
  nix.optimise.automatic = true;
}