# NixOS Configuration

This repository contains my personal NixOS configuration, structured in a pyramidal way for easy management and reuse.

## Structure

### System Configuration

The system configuration is organized in layers:

1. **Base** (`system/base/default.nix`): Common configuration for all machines
2. **Desktop** (`system/desktop/default.nix`): Configuration specific to desktop environments
3. **Server** (`system/server/default.nix`): Configuration specific to server environments
4. **Machine-specific** (`machines/<machine>/default.nix`): Configuration specific to individual machines

### Home Configuration

The home configuration follows a similar structure:

1. **Base** (`home/base/default.nix`): Common home configuration for all environments
2. **Desktop** (`home/desktop/default.nix`): Home configuration specific to desktop environments
3. **Server** (`home/server/default.nix`): Home configuration specific to server environments

## Available Configurations

This repository includes configurations for the following machines:

1. **nixos** (VM): A virtual machine configuration for testing
2. **desktop-pc**: A physical desktop PC with NVIDIA GPU
3. **home-server**: A home server with Samba and Jellyfin services

## Usage

To build and switch to a specific configuration:

```bash
# For the VM
sudo nixos-rebuild switch --flake .#nixos

# For the desktop PC
sudo nixos-rebuild switch --flake .#desktop-pc

# For the home server
sudo nixos-rebuild switch --flake .#home-server
```

### Helper Script

A helper script is provided to make switching between configurations easier:

```bash
# Switch to the VM configuration (default)
./switch.sh

# Switch to the desktop PC configuration
./switch.sh desktop-pc

# Switch to the home server configuration
./switch.sh home-server
```

## Adding a New Machine

To add a new machine:

1. Create a new directory in `machines/` with the machine name
2. Create a `default.nix` file with machine-specific configuration
3. Copy the hardware configuration to `machines/<machine>/hardware-configuration.nix`
4. Update `flake.nix` to include the new machine

Example:

```nix
# In flake.nix
new-machine = nixpkgs.lib.nixosSystem {
  system = "x86_64-linux";
  specialArgs = inputs;
  modules = [
    # Base system configuration
    ./system/base
    
    # Desktop or server configuration
    ./system/desktop  # or ./system/server
    
    # Machine-specific configuration
    ./machines/new-machine
    
    # Home-manager configuration
    home-manager.nixosModules.home-manager {
      # ... home-manager configuration
    }
  ];
};
```

## Customization

- For desktop environments, enable the desktop configurations
- For server environments, enable the server configurations and disable desktop configurations

## License

This configuration is personal and provided as-is without any warranty.