1. 1. Getting Started with the Nix Ecosystem
2. 1. 1.1. Nix Language
   2. 1.2. Nix Package Manager
   3. 1.3. Cachix and the devour-flake
   4. 1. 1.3.1. Nix Paths
   5. 1.4. Version Control with Git
   6. 1.5. Version Control with JJ
3. 2. Installation
4. 1. 2.1. Unencrypted Setups
   2. 2.2. Unencrypted Impermanence
5. 3. Encrypted Setups
6. 1. 3.1. Encrypted Impermanence
   2. 3.2. USB Stick Keyfile
   3. 3.3. Sops-Nix encrypted secrets
   4. 3.4. Secure Boot with Lanzaboote
7. 4. Understanding Nix Functions
8. 1. 4.1. Practical Nix Functions
   2. 4.2. Functions and NixOS Modules
9. 5. NixOS Modules Explained
10. 6. Nix Flakes Explained
11. 1. 6.1. Nix Flake Inputs
    2. 6.2. Nix Flake Outputs
    3. 6.3. Nix Flake Examples
    4. 6.4. Hack the Helix Flake
    5. 6.5. Extending Flakes with Custom Packages using Overlays
    6. 6.6. NixOS Specialisations For Multiple Profiles
12. 7. Understanding Top-Level Attributes
13. 8. Package Definitions Explained
14. 9. Intro to Nix Derivations
15. 1. 9.1. Builders and Autotools
16. 10. Comparing Flakes and Traditional Nix
17. 11. Debugging and Tracing NixOS Modules
18. 12. Working with Nixpkgs Locally
19. 1. 12.1. Fork, Clone, Contribute
    2. 12.2. Build a local package within a Nixpkgs Clone
    3. 12.3. Nixpkgs Overlays to Override Version
20. 13. Nix Pull Requests
21. 14. Intro to Nushell on NixOS
22. 15. NixOS Containers