Add raspi config

flake.nix

@@ -13,6 +13,14 @@
           ];
           specialArgs = { inherit inputs; };
         };
+      mkRaspi = pkgs: hostname:
+        pkgs.lib.nixosSystem {
+          system = "aarch64-linux";
+          modules = [
+            (./. + "/nixos/boxes/${hostname}")
+          ];
+          specialArgs = { inherit inputs; };
+        };
       mkWorkstation = pkgs: system: hostname:
         pkgs.lib.nixosSystem {
           system = system;
@@ -43,6 +51,7 @@
         thinky = mkWorkstation nixpkgs-stable "x86_64-linux" "thinky";
         bolty = mkServer nixpkgs-stable "x86_64-linux" "bolty";
         vultr1 = mkServer nixpkgs-stable "x86_64-linux" "vultr1";
+        rpi4_8 = mkRaspi nixpkgs-stable "rpi4-8";
 
         bootstrap = nixpkgs-stable.lib.nixosSystem {
           system = "x86_64-linux";
@@ -56,7 +65,7 @@
         raspiimage = nixpkgs-stable.lib.nixosSystem {
           system = "aarch64-linux";
           modules = [
-            (import "${inputs.nixpkgs-stable}/nixos/modules/installer/sd-card/sd-image-aarch64-installer.nix")
+            (import "${inputs.nixpkgs-nixos-unstable}/nixos/modules/installer/sd-card/sd-image-aarch64-installer.nix")
             {
               services.openssh = {
                 enable = true;
@@ -67,6 +76,7 @@
                 "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE5Ejx5CAPUfHVXi4GL4WmnZaG8eiiOmsW/a0o1bs1GF cyryl@foureighty"
               ];
               sdImage.compressImage = false;
+              console.earlySetup = true;
             }
           ];
           specialArgs = { inherit inputs; };

nixos/boxes/rpi4-8/default.nix

@@ -0,0 +1,57 @@
+{ config, pkgs, inputs, lib, ... }:
+{
+  imports = [
+  ];
+  boot = {
+    kernelPackages = pkgs.linuxPackages_rpi4;
+    tmpOnTmpfs = true;
+    initrd.availableKernelModules = [ "usbhid" "usb_storage" ];
+    kernelParams = [
+      "8250.nr_uarts=1"
+      "console=ttyAMA0,115200"
+      "console=tty1"
+      # Some gui programs need this
+      "cma=128M"
+    ];
+  };
+
+  boot.loader.raspberryPi = {
+    enable = true;
+    version = 4;
+  };
+  boot.loader.grub.enable = false;
+  boot.loader.generic-extlinux-compatible.enable = true;
+  networking = {
+    hostName = "rpi4-8";
+    networkmanager = {
+      enable = true;
+    };
+  };
+
+  environment.systemPackages = with pkgs; [ neovim htop ];
+
+  services.fail2ban.enable = true;
+
+  services.openssh = {
+    enable = true;
+    permitRootLogin = "prohibit-password";
+    passwordAuthentication = false;
+  };
+
+  users.extraUsers.root.openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE5Ejx5CAPUfHVXi4GL4WmnZaG8eiiOmsW/a0o1bs1GF cyryl@foureighty"
+  ];
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+      options = [ "noatime" ];
+    };
+  };
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+
+  security.allowUserNamespaces = true;
+
+  time.timeZone = "Europe/London";
+
+}

nixos/home-manager/cli.nix

@@ -29,6 +29,7 @@
     kopia
     lm_sensors
     mercurial
+    minicom
     nix-index
     nix-top
     nixpkgs-fmt