Initial NixOS VM config

2026-05-07 05:23:55 +00:00
commit 59907b3f9a
3 changed files with 175 additions and 0 deletions
@@ -0,0 +1,99 @@
+{ config, lib, pkgs, ... }:
+{
+  # VM Hardware Configuration
+  boot.loader.grub = {
+    enable = true;
+    device = "/dev/sda";
+    useOSProber = false;
+  };
+
+  # Filesystem — will be generated by nixos-generate-config, but override
+  fileSystems."/" = lib.mkDefault {
+    device = "/dev/disk/by-label/nixos";
+    fsType = "ext4";
+  };
+  fileSystems."/boot" = lib.mkDefault {
+    device = "/dev/disk/by-label/boot";
+    fsType = "vfat";
+  };
+
+  # Network
+  networking = {
+    hostName = "nixos-dev";
+    networkmanager.enable = true;
+    useDHCP = true;
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [ 22 8000 8080 3000 ];
+    };
+  };
+
+  # QEMU Guest Agent (for Proxmox integration)
+  services.qemuGuest.enable = true;
+
+  # SSH
+  services.openssh = {
+    enable = true;
+    settings = {
+      PermitRootLogin = "no";
+      PasswordAuthentication = true;  # change to no after keys deployed
+    };
+  };
+
+  # User configuration
+  users.users.konrad = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" "docker" "networkmanager" ];
+    shell = pkgs.zsh;
+    # Temporary password — change after first login
+    initialPassword = "changeme";
+  };
+
+  # System-wide programs
+  programs = {
+    zsh.enable = true;
+    git.enable = true;
+  };
+
+  # System packages (minimal core)
+  environment.systemPackages = with pkgs; [
+    curl
+    git
+    vim
+    htop
+  ];
+
+  # Docker
+  virtualisation.docker = {
+    enable = true;
+    enableOnBoot = true;
+  };
+
+  # Nix configuration
+  nix = {
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+      auto-optimise-store = true;
+    };
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+    };
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Auto-upgrades
+  system = {
+    stateVersion = "24.11";
+    autoUpgrade = {
+      enable = true;
+      allowReboot = false;
+    };
+  };
+
+  # Enable flakes in this boot configuration
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+}