added armaros and fixed ssh key configs

flake.nix

@@ -56,7 +56,7 @@
       # Host type abstractions
       hostTypes = {
         # Server hosts
-        isServer = hostname: builtins.elem hostname [ "acheron" "buildbox" "ender-ml" ];
+        isServer = hostname: builtins.elem hostname [ "acheron" "armaros" "buildbox" "ender-ml" ];
         
         # Linux desktop hosts
         isLinuxDesktop = hostname: builtins.elem hostname [ "eva-01" "eva-03" ];
@@ -66,7 +66,7 @@
         
         # Helper to get host type category
         getHostType = hostname:
-          if builtins.elem hostname [ "acheron" "buildbox" "ender-ml" ] then "server"
+          if builtins.elem hostname [ "acheron" "armaros" "buildbox" "ender-ml" ] then "server"
           else if hostname == "eva-02" then "macos"
           else "linux-desktop";
       };
@@ -86,6 +86,18 @@
         ];
       };
 
+      armaros = nixpkgs.lib.nixosSystem {
+        specialArgs = {
+          inherit inputs pkgs-unstable configPath hostTypes;
+          hostname = "armaros";
+        };
+        system = system;
+        modules = [
+          ./hosts/armaros/configuration.nix
+          inputs.home-manager.nixosModules.default
+        ];
+      };
+
       buildbox = nixpkgs.lib.nixosSystem {
         specialArgs = {
           inherit inputs pkgs-unstable configPath hostTypes;

home-manager/commands/commands.nix

@@ -221,30 +221,17 @@ in
           serverAliveInterval = 0;
           serverAliveCountMax = 3;
         };
-      } // lib.optionalAttrs (hostname == "buildbox") {
+      } // lib.optionalAttrs (hostname == "buildbox" || hostname == "ender-ml" || hostname == "armaros") {
         "192.168.8.109" = {
-          identityFile = "~/.ssh/gitea-buildbox";
+          identityFile = "~/.ssh/gitea-headless";
           user = "gitea";
         };
         "gitea.miguelmuniz.com" = {
-          identityFile = "~/.ssh/gitea-buildbox";
+          identityFile = "~/.ssh/gitea-headless";
           user = "gitea";
         }; 
         "github.com" = {
-          identityFile = "~/.ssh/github-buildbox";
-          user = "git";
-        };
-      } // lib.optionalAttrs (hostname == "ender-ml") {
-        "192.168.8.109" = {
-          identityFile = "~/.ssh/gitea-ender-ml";
-          user = "gitea";
-        };
-        "gitea.miguelmuniz.com" = {
-          identityFile = "~/.ssh/gitea-ender-ml";
-          user = "gitea";
-        }; 
-        "github.com" = {
-          identityFile = "~/.ssh/github-ender-ml";
+          identityFile = "~/.ssh/github-headless";
           user = "git";
         };
       };

hosts/armaros/configuration.nix

@@ -0,0 +1,178 @@
+{
+  config,
+  pkgs,
+  pkgs-unstable,
+  inputs,
+  configPath,
+  hostname,
+  hostTypes,
+  lib,
+  ...
+}:
+
+{
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    inputs.home-manager.nixosModules.default
+  ];
+
+  # Bootloader.
+  boot.loader.grub.enable = lib.mkDefault true;
+  boot.loader.grub.devices = [ "nodev" ];
+
+  nix.settings.experimental-features = ["nix-command" "flakes"];
+
+  # Nix optimizations
+  nix.optimise.automatic = true;
+  nix.settings.auto-optimise-store = true;
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    persistent = true;
+    options = "--delete-older-than 30d";
+  };
+
+  networking.hostName = "armaros"; # Define your hostname.
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+
+  # Virtualisation (since this is a VM)
+  services.qemuGuest.enable = true;
+  services.spice-vdagentd.enable = true;
+
+  # zram for memory efficiency
+  zramSwap = {
+    enable = true;
+    priority = 100;
+    memoryPercent = 20; # Lower for lightweight VM
+    swapDevices = 1;
+    algorithm = "zstd";
+  };
+
+  # Set your time zone.
+  time.timeZone = "America/Los_Angeles";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
+  # Enable X11 for lightweight GUI
+  services.xserver.enable = true;
+  services.xserver.displayManager.lightdm.enable = true;
+  services.xserver.desktopManager.xfce.enable = true;
+  
+  # Alternatively, for even lighter weight, use a window manager directly:
+  # services.xserver.windowManager.i3.enable = true;
+  # services.xserver.displayManager.lightdm.enable = true;
+
+  # Configure keymap in X11
+  services.xserver.xkb = {
+    layout = "us";
+    variant = "";
+  };
+
+  # Enable CUPS to print documents.
+  services.printing.enable = false;
+
+  # Enable sound with pipewire (optional, can be disabled for jumpbox)
+  hardware.pulseaudio.enable = false;
+  services.pipewire = {
+    enable = false; # Disable for lightweight VM
+  };
+
+  # Define a user account.
+  programs.zsh.enable = true;
+  users.users.rogueking = {
+    isNormalUser = true;
+    description = "rogueking";
+    extraGroups = [ "networkmanager" "wheel" ];
+    shell = pkgs.zsh;
+    packages = with pkgs; [];
+  };
+
+  # Install firefox for web access.
+  programs.firefox.enable = true;
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Enable OpenSSH daemon for remote access
+  services.openssh = {
+    enable = true;
+    ports = [ 22 ];
+    settings = {
+      PasswordAuthentication = true;
+      AllowUsers = [ "rogueking" ];
+      UseDns = true;
+      X11Forwarding = true; # Enable X11 forwarding for jumpbox
+      PermitRootLogin = "no";
+      MaxAuthTries = 8;
+    };
+  };
+
+  users.users."rogueking".openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINXqriPZVIuduc/J7GS1mD171LL0gIbgEjlImsxedWVX"
+  ];
+
+  # Minimal firewall configuration
+  networking.firewall = {
+    enable = true;
+    allowedTCPPorts = [ 22 ];
+    logRefusedConnections = true;
+  };
+
+  # List packages installed in system profile.
+  environment.systemPackages = with pkgs; [
+    # Essential CLI tools for jumpbox
+    curl
+    git
+    htop
+    nmap
+    openssh
+    putty
+    vim
+    wget
+    
+    # GUI tools
+    firefox
+    xfce.terminal
+    xfce.mousepad
+    xfce.thunar
+  ];
+
+  fonts.packages = with pkgs; [
+    nerd-fonts.hack
+    dejavu_fonts
+  ];
+
+  home-manager = {
+    extraSpecialArgs = {
+      inherit
+        configPath
+        inputs
+        pkgs-unstable
+        hostname
+        hostTypes
+        ;
+    };
+    users = {
+      "rogueking" = import ./../../home-manager/home.nix;
+    };
+    backupFileExtension = "backup";
+  };
+
+  system.stateVersion = "25.11";
+}

hosts/armaros/hardware-configuration.nix

@@ -0,0 +1,31 @@
+# Do not modify this file!  It was generated by 'nixos-generate-config'
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "virtio_pci" "virtio_scsi" "ahci" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/ROOT-UUID-HERE"; # Update with actual UUID
+    fsType = "ext4";
+  };
+
+  swapDevices = [ {
+    device = "/var/lib/swapfile";
+    size = 2*1024; # 2GB swap for lightweight VM
+  } ];
+
+  # Enables DHCP on each ethernet and wireless interface.
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+    hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}