520 lines
15 KiB
Nix
520 lines
15 KiB
Nix
# edit this configuration file to define what should be installed on
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# your system. Help is available in the configuration.nix(5) man page, on
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# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
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{ config, lib, pkgs, paths, self, keys, ... }:
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{
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# NAS Mounting
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hoardingcow-mount.enable = true;
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# Flakesss
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nix.settings.experimental-features = [ "nix-command" "flakes" "flake-self-attrs" ];
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nix.settings.trusted-users = [ "root" "gortium" ];
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# Garbage collection
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nix.gc = {
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automatic = true;
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dates = "daily"; # You can also use "daily" or a cron-like spec
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options = "--delete-older-than 30d";
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};
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nix.settings = {
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keep-derivations = true;
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keep-outputs = true;
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auto-optimise-store = true;
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};
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# Use the systemd-boot EFI boot loader.
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = false;
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# 1. Force the kernel to ignore BIOS resource locks
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boot.kernelParams = [
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"acpi_enforce_resources=lax"
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"nct6775.force_id=0xd120" # This forces the driver to ignore BIOS locks for NCT6116
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"transparent_hugepage=always" # because mucho ram
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];
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# 2. Load the specific drivers found by sensors-detect
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boot.kernelModules = [ "nct6775" "lm96163" ];
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# 3. Force the nct6775 driver to recognize the chip if it's stubborn
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boot.extraModprobeConfig = ''
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options nct6775 force_id=0xd280
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'';
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boot.blacklistedKernelModules = [ "eeepc_wmi" ];
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networking.hostName = "lazyworkhorse"; # Define your hostname.
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# Pick only one of the below networking options.
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# networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
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networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.
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networking.hostId = "deadbeef";
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# Set your time zone.
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time.timeZone = "America/Montreal";
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# Locales
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i18n.defaultLocale = "en_CA.UTF-8";
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i18n.supportedLocales = [
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"en_CA.UTF-8/UTF-8"
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];
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i18n.extraLocaleSettings = {
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LC_ADDRESS = "en_CA.UTF-8";
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LC_IDENTIFICATION = "en_CA.UTF-8";
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LC_MEASUREMENT = "en_CA.UTF-8";
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LC_MONETARY = "en_CA.UTF-8";
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LC_NAME = "en_CA.UTF-8";
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LC_NUMERIC = "en_CA.UTF-8";
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LC_PAPER = "en_CA.UTF-8";
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LC_TELEPHONE = "en_CA.UTF-8";
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LC_TIME = "en_CA.UTF-8";
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LC_CTYPE = "en_CA.UTF-8";
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};
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programs.zsh = {
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enable = true;
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autosuggestions.enable = true;
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syntaxHighlighting.enable = true;
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enableCompletion = true;
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setOptions = [ "HIST_IGNORE_ALL_DUPS" "SHARE_HISTORY" ];
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};
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# Configure network proxy if necessary
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# networking.proxy.default = "http://user:password@proxy:port/";
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# networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
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# Select internationalisation properties.
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# i18n.defaultLocale = "en_US.UTF-8";
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# console = {
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# font = "Lat2-Terminus16";
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# keyMap = "us";
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# useXkbConfig = true; # use xkb.options in tty.
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# };
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# Configure keymap in X11
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# services.xserver.xkb.layout = "us";
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# services.xserver.xkb.options = "eurosign:e,caps:escape";
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# Enable CUPS to print documents.
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services.printing.enable = true;
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# Enable sound.
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# services.pulseaudio.enable = true;
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# OR
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services.pipewire = {
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enable = true;
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pulse.enable = true;
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};
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# Nix Helper cli tool
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environment.sessionVariables = {
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NH_FLAKE = paths.flake;
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};
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# Enable touchpad support (enabled default in most desktopManager).
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# services.libinput.enable = true;
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# nvim please
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environment.variables.EDITOR = "nvim";
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# List packages installed in system profile.
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# You can use https://Search.nixos.org/ to find more packages (and options).
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environment.systemPackages = with pkgs; [
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neovim
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docker-compose
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wget
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age
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agenix
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git
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nh
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lm_sensors
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rocmPackages.rocminfo
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rocmPackages.rocm-smi
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nvtopPackages.amd
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clinfo
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ncurses
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kitty.terminfo
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nodejs_22
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uv
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openclaw
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(python3.withPackages (ps: with ps; [
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openai-whisper
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]))
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];
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# Some programs need SUID wrappers, can be configured further or are
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# started in user sessions.
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# programs.mtr.enable = true;
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# programs.gnupg.agent = {
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# enable = true;
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# enableSSHSupport = true;
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# };
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# List services that you want to enable:
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# Enable the OpenSSH daemon
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services.openssh = {
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enable = true;
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ports = [ 2424 ];
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settings = {
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PasswordAuthentication = false;
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KbdInteractiveAuthentication = false;
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# Additional hardening settings below in SERVER HARDENING section
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};
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hostKeys = [
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{
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path = "/etc/ssh/ssh_host_ed25519_key";
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type = "ed25519";
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}
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];
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};
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services.dockerStacks = {
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versioncontrol = {
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path = self + "/assets/compose/versioncontrol";
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ports = [ 2222 ];
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};
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network = {
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path = self + "/assets/compose/network";
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envFile = config.age.secrets.containers_env.path;
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ports = [ 80 443 ];
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};
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passwordmanager = {
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path = self + "/assets/compose/passwordmanager";
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};
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ai = {
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path = self + "/assets/compose/ai";
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envFile = config.age.secrets.containers_env.path;
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};
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cloudstorage = {
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path = self + "/assets/compose/cloudstorage";
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envFile = config.age.secrets.containers_env.path;
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};
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homeautomation = {
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path = self + "/assets/compose/homeautomation";
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envFile = config.age.secrets.containers_env.path;
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};
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authentification = {
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path = self + "/assets/compose/authentification";
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};
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backup = {
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path = self + "/assets/compose/backup";
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envFile = config.age.secrets.containers_env.path;
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};
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coms = {
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path = self + "/assets/compose/coms";
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envFile = config.age.secrets.containers_env.path;
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};
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finance = {
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path = self + "/assets/compose/finance";
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};
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homepage = {
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path = self + "/assets/compose/homepage";
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};
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# tak = {
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# path = self + "/assets/compose/tak";
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# };
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};
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services.opencode = {
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enable = true;
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port = 4099;
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ollamaUrl = "http://127.0.0.1:11434/v1";
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};
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# Private host ssh key managed by agenix
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age = {
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identityPaths = paths.identities;
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secrets = {
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containers_env = {
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file = ../../secrets/containers.env.age;
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path = "/run/secrets/containers.env";
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owner = "root";
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group = "root";
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mode = "0400";
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};
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lazyworkhorse_host_ssh_key = {
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file = ../../secrets/lazyworkhorse_host_ssh_key.age;
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owner = "root";
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group = "root";
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mode = "0600";
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path = "/etc/ssh/ssh_host_ed25519_key";
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};
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ai_ssh_key = {
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file = ../../secrets/ai_ssh_key.age;
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owner = "root";
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group = "root";
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mode = "0600";
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path = "/home/ai-worker/.ssh/ai_ssh_key";
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};
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openclaw_gateway_token = {
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file = ../../secrets/openclaw_gateway_token.age;
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owner = "root";
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group = "ai-worker";
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mode = "0440";
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path = "/run/secrets/openclaw_gateway_token";
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};
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};
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};
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# OpenClaw Node service (host-side execution for Docker gateway)
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services.openclaw-node = {
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enable = true;
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user = "ai-worker";
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gatewayHost = "127.0.0.1";
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gatewayPort = 18789;
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gatewayTokenFile = "/run/secrets/openclaw_gateway_token";
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displayName = "lazyworkhorse-host";
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};
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# Public host ssh key (kept in sync with the private one)
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environment.etc."ssh/ssh_host_ed25519_key.pub".text =
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"${keys.hosts.lazyworkhorse.main}";
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services.fstrim.enable = true;
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services.zfs.autoSnapshot.enable = true;
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services.zfs.autoScrub.enable = true;
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# Mi50 config
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hardware.graphics = {
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enable = true;
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enable32Bit = true; # Useful for some compatibility layers
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extraPackages = with pkgs; [
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rocmPackages.clr.icd # OpenCL/HIP runtime
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];
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};
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nixpkgs.config.rocmTargets = [ "gfx906" ];
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environment.variables = {
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# This "tricks" ROCm into supporting the MI50 if using newer versions
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HSA_OVERRIDE_GFX_VERSION = "9.0.6";
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# Ensures the system sees both GPUs
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HIP_VISIBLE_DEVICES = "0,1";
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};
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# Open ports in the firewall.
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# networking.firewall.allowedTCPPorts = [ ... ];
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# networking.firewall.allowedUDPPorts = [ ... ];
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# Or disable the firewall altogether.
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# networking.firewall.enable = false;
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# =============================================================================
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# SERVER HARDENING - Firewall, Fail2ban, SSH, Kernel
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# =============================================================================
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# Firewall - default deny, explicit allow
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networking.firewall = {
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enable = true;
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allowPing = true;
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defaultAllow = false;
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# Only essential ports exposed to internet
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allowedTCPPorts = [
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2424 # SSH (non-standard port)
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2222 # Gitea (version control)
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80 # HTTP (Traefik redirect)
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443 # HTTPS (Traefik)
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# 8000 # Portainer - REVIEW: internal only?
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# 4242 # Coms - REVIEW: internal only?
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# 5000 # TAK API - REVIEW: internal only?
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# 8087 # TAK Connect - REVIEW: internal only?
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# 8089 # TAK Management - REVIEW: internal only?
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];
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allowedUDPPorts = [
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# Add UDP ports if required
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];
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# Rate limiting and attack prevention
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extraCommands = ''
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# Rate limit SSH connections (max 4 new connections per 60 seconds)
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iptables -A INPUT -p tcp --dport 2424 -m state --state NEW -m recent --set
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iptables -A INPUT -p tcp --dport 2424 -m state --state NEW -m recent --update --seconds 60 --hitcount 4 -j DROP
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# Rate limit HTTP/HTTPS (protects Traefik)
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iptables -A INPUT -p tcp --dport 80 -m state --state NEW -m limit --limit 25/minute --limit-burst 100 -j ACCEPT
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iptables -A INPUT -p tcp --dport 443 -m state --state NEW -m limit --limit 25/minute --limit-burst 100 -j ACCEPT
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# Drop invalid packets
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iptables -A INPUT -m state --state INVALID -j DROP
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# Log dropped packets (rate limited)
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iptables -A INPUT -m limit --limit 5/min -j LOG --log-prefix "IPTables-Dropped: " --log-level 4
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'';
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};
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# Fail2ban - automatic IP banning
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services.fail2ban = {
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enable = true;
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maxRetry = 3;
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findtime = 600;
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bantime = 3600;
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banaction = "iptables-multiport";
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# Ban repeat offenders for 1 week
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recidive = {
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enabled = true;
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filter = "recidive";
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logpath = "/var/log/fail2ban.log";
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bantime = 604800;
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findtime = 86400;
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maxretry = 3;
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};
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jails = {
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# SSH brute force protection (uses systemd journal backend)
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sshd = {
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enabled = true;
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filter = "sshd";
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port = "2424";
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maxretry = 3;
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bantime = 3600;
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};
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# HTTP authentication failures (Traefik)
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http-auth = {
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enabled = true;
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filter = "traefik-auth";
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port = "80,443";
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logpath = "/var/log/traefik/access.log";
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maxretry = 5;
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bantime = 3600;
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};
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# HTTP scanning/attacks (Traefik)
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http-botsearch = {
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enabled = true;
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filter = "traefik-botsearch";
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port = "80,443";
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logpath = [ "/var/log/traefik/access.log" ];
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maxretry = 2;
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bantime = 7200;
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};
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};
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};
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# Custom fail2ban filters for Traefik
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environment.etc."fail2ban/filter.d/traefik-auth.conf".text = ''
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[Definition]
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failregex = ^<HOST> -.*"(GET|POST|HEAD|PUT|DELETE).*" (401|403) \d+.*$
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ignoreregex =
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'';
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environment.etc."fail2ban/filter.d/traefik-botsearch.conf".text = ''
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[Definition]
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failregex = ^<HOST> -.*"(GET|POST|HEAD|PUT|DELETE).*" 404 \d+.*$
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^<HOST> -.*"(GET|POST|HEAD|PUT|DELETE).*/(\.|wp-|php|admin|login|xmlrpc|\.env|\.git|\.aws|\.azure).*" \d+.*$
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ignoreregex =
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'';
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# SSH hardening
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services.openssh.settings = {
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PermitRootLogin = "no";
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MaxAuthTries = 3;
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MaxSessions = 5;
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LoginGraceTime = 30;
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ClientAliveInterval = 300;
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ClientAliveCountMax = 2;
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PermitEmptyPasswords = "no";
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ChallengeResponseAuthentication = "no";
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UsePAM = true;
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LogLevel = "VERBOSE";
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X11Forwarding = false;
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AllowTcpForwarding = "no";
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AllowAgentForwarding = "no";
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PermitTunnel = "no";
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};
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# Kernel network hardening
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boot.kernel.sysctl = {
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# IP Spoofing protection
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"net.ipv4.conf.all.rp_filter" = 1;
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"net.ipv4.conf.default.rp_filter" = 1;
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# Ignore ICMP broadcasts
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"net.ipv4.icmp_echo_ignore_broadcasts" = 1;
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# Disable source routing
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"net.ipv4.conf.all.accept_source_route" = 0;
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"net.ipv4.conf.default.accept_source_route" = 0;
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"net.ipv6.conf.all.accept_source_route" = 0;
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"net.ipv6.conf.default.accept_source_route" = 0;
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# Disable redirects
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"net.ipv4.conf.all.send_redirects" = 0;
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"net.ipv4.conf.default.send_redirects" = 0;
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# SYN flood protection
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"net.ipv4.tcp_syncookies" = 1;
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"net.ipv4.tcp_max_syn_backlog" = 2048;
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"net.ipv4.tcp_synack_retries" = 2;
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"net.ipv4.tcp_syn_retries" = 5;
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# Log martian packets
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"net.ipv4.conf.all.log_martians" = 1;
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"net.ipv4.conf.default.log_martians" = 1;
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# Ignore redirects
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"net.ipv4.conf.all.accept_redirects" = 0;
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"net.ipv4.conf.default.accept_redirects" = 0;
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"net.ipv4.conf.all.secure_redirects" = 0;
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"net.ipv4.conf.default.secure_redirects" = 0;
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"net.ipv6.conf.all.accept_redirects" = 0;
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"net.ipv6.conf.default.accept_redirects" = 0;
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# Connection tuning
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"net.core.somaxconn" = 4096;
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"net.core.netdev_max_backlog" = 65536;
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"net.ipv4.tcp_max_orphans" = 65536;
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"net.ipv4.tcp_fin_timeout" = 15;
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"net.ipv4.tcp_keepalive_time" = 300;
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"net.ipv4.tcp_keepalive_probes" = 5;
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"net.ipv4.tcp_keepalive_intvl" = 15;
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};
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# Audit logging
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services.auditd.enable = true;
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# Fail2ban log directory
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systemd.tmpfiles.rules = [
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"d /var/log/fail2ban 0755 root root -"
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"d /var/log/traefik 0755 root root -"
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];
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# Copy the NixOS configuration file and link it from the resulting system
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# (/run/current-system/configuration.nix). This is useful in case you
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# accidentally delete configuration.nix.
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# system.copySystemConfiguration = true;
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# This option defines the first version of NixOS you have installed on this particular machine,
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# and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
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#
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# Most users should NEVER change this value after the initial install, for any reason,
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# even if you've upgraded your system to a new NixOS release.
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#
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# This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
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# so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
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# to actually do that.
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#
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# This value being lower than the current NixOS release does NOT mean your system is
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# out of date, out of support, or vulnerable.
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#
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# Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
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# and migrated your data accordingly.
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#
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# For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
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system.stateVersion = "25.05"; # Did you read the comment?
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}
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