add: hosts folder

hosts/aarch64/vetra/configuration.nix

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+{ config, pkgs, lib, ... }:
+
+{
+  imports = [
+#         <nixos-hardware/raspberry-pi/4>
+         ./home-assistant.nix
+#        ./gnome.nix
+#        ./programs.nix
+    ];
+
+# boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+      options = [ "noatime" ];
+    };
+  };
+
+  networking = {
+    hostName = "vetra";
+    networkmanager.enable = true;
+  };
+
+  # Set your time zone.
+  time.timeZone = "America/Denver";
+
+  environment.systemPackages = 
+            with pkgs; 
+            [
+                fish
+                git
+                neofetch
+                restic
+                wget
+            ]; 
+
+  # Define user accounts
+    users.users.aaronh = {
+            description = "Aaron Honeycutt";
+            home = "/home/aaronh";
+            extraGroups = [ "wheel" "networkmanager" "adm"];
+            isNormalUser = true;
+            shell = pkgs.fish;
+            hashedPassword = "$6$aAcbLtqiqzySifls$jdKMOQjoWITHD/dWNNZVUH/qNc6aoJ7v4zYofi0U7IJSVTbmOfChS3mzaJbp57AodjdPNKPrnrip8Nlh2Qanx.";
+    };
+
+  programs.fish.enable = true;
+
+  # Enable Pipewire
+    security.rtkit.enable = true;
+    services.pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+    };
+ 
+  # Turn off PulseAudio
+  hardware.pulseaudio.enable = false;
+
+  # Enable Bluetooth
+  hardware.bluetooth.enable = true;
+
+  # Enable SSH
+  services.openssh.enable = true;
+
+  # Enable CUPS
+  services.printing.enable = true;
+
+  # Enable GPU acceleration
+  hardware.raspberry-pi."4".fkms-3d.enable = true;
+
+  # Allow Unfree
+  nixpkgs.config.allowUnfree = true;
+
+  services.hydra = {
+    enable = false;
+    hydraURL = "http://localhost:3000";
+    notificationSender = "hydra@localhost";
+    buildMachinesFiles = [];
+    useSubstitutes = true;
+  };
+  
+  # System 
+  system.stateVersion = "22.11";
+  system.autoUpgrade.enable = true;
+}

hosts/aarch64/vetra/flake.nix

@@ -0,0 +1,111 @@
+{
+  description = "Vetra";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-23.05";
+    home-manager = {
+      url = "github:nix-community/home-manager/release-22.11";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
+  };
+
+  outputs = { self, nixpkgs, nixos-hardware, ... }@inputs: {
+    nixosConfigurations = {
+      "vetra" = nixpkgs.lib.nixosSystem {
+        system = "aarch64-linux";
+        modules = [
+          # Import the configuration.nix we used before, so that the old configuration file can still take effect. 
+          # Note: /etc/nixos/configuration.nix itself is also a Nix Module, so you can import it directly here
+          nixos-hardware.nixosModules.raspberry-pi-4	
+#          ./configuration.nix
+
+        ({config, pkgs, ...}: {
+          fileSystems = {
+             "/" = {
+                device = "/dev/disk/by-label/NIXOS_SD";
+                fsType = "ext4";
+                options = [ "noatime" ];
+             };
+ 
+             "/mnt/ExtraDrive" = {
+                device = "/dev/disk/by-uuid/72315f9e-ceda-4152-8e8d-09590affba28";
+                fsType = "ext4";
+             };
+          };
+
+          nix = {
+             settings.auto-optimise-store = true;
+             settings.experimental-features = [ "nix-command" "flakes" ];
+ 
+             gc = {
+                automatic = true;
+                dates = "weekly";
+                options = "--delete-older-than 30d";
+             };
+          };
+
+          networking = {
+             hostName = "vetra";
+             networkmanager.enable = true;   
+          };
+
+          time.timeZone = "America/Denver";
+
+          environment.systemPackages = with pkgs; [
+             fish
+             git
+             neofetch
+             restic
+             wget
+          ];
+
+          users.users.aaronh = {
+             description = "Aaron Honeycutt";
+             home = "/home/aaronh";
+             extraGroups = [ "wheel" "networkmanager" "adm" ];
+             isNormalUser = true;
+             shell = pkgs.fish;
+             hashedPassword = "$6$aAcbLtqiqzySifls$jdKMOQjoWITHD/dWNNZVUH/qNc6aoJ7v4zYofi0U7IJSVTbmOfChS3mzaJbp57AodjdPNKPrnrip8Nlh2Qanx.";
+          };
+
+          programs.fish.enable = true;
+
+          # Enable Pipewire
+          security.rtkit.enable = true;
+          services.pipewire = {
+             enable = true;
+             alsa.enable = true;
+             alsa.support32Bit = true;
+             pulse.enable = true;
+          };
+          
+          # Turn off PulseAudio 
+          hardware.pulseaudio.enable = false;
+
+          # Enable Bluetooth
+          hardware.bluetooth.enable = true;
+
+          # Enable SSH
+          services.openssh.enable = true;
+
+          # Enable CUPS
+          services.printing.enable = true;
+
+          # Enable GPU Acceleration
+          hardware.raspberry-pi."4".fkms-3d.enable = true;
+
+          # Allow Unfree
+          nixpkgs.config.allowUnfree = true;
+
+          # System
+          system = {
+             stateVersion = "23.05";
+             autoUpgrade.enable = true;
+          };  
+         })
+       ];
+     };
+   };
+ };
+}

hosts/aarch64/vetra/rpi4-example.nix

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+{ config, pkgs, lib, ... }:
+
+let
+  SSID = "Honeycutt-5G";
+  SSIDpassword = "Frappe92";
+  interface = "wlan0";
+  hostname = "NixOS";
+in {
+  imports = ["${fetchTarball "https://github.com/NixOS/nixos-hardware/archive/936e4649098d6a5e0762058cb7687be1b2d90550.tar.gz" }/raspberry-pi/4"];
+
+  fileSystems = {
+    "/" = {
+      device = "/dev/disk/by-label/NIXOS_SD";
+      fsType = "ext4";
+      options = [ "noatime" ];
+    };
+  };
+
+  networking = {
+     hostName = "NixOS"; 
+     networkmanager.enable = true;
+
+    wireless = {
+      enable = true;
+      networks."${SSID}".psk = SSIDpassword;
+      interfaces = [ interface ];
+    };
+  };
+
+  # Set your time zone.
+  time.timeZone = "America/Denver";
+
+  environment.systemPackages = with pkgs; [ vim ];
+
+  services.openssh.enable = true;
+
+  # Define user accounts
+    users.extraUsers.aaronh = {
+            description = "Aaron Honeycutt";
+            home = "/home/aaronh";
+            extraGroups = [ "wheel" "networkmanager" "adm"];
+            isNormalUser = true;
+            hashedPassword = "$6$aAcbLtqiqzySifls$jdKMOQjoWITHD/dWNNZVUH/qNc6aoJ7v4zYofi0U7IJSVTbmOfChS3mzaJbp57AodjdPNKPrnrip8Nlh2Qanx.";
+    };
+
+  # Enable GPU acceleration
+  hardware.raspberry-pi."4".fkms-3d.enable = true;
+
+  services.xserver = {
+    enable = true;
+    displayManager.lightdm.enable = true;
+    desktopManager.xfce.enable = true;
+  };
+
+  hardware.pulseaudio.enable = true;
+}