Nix OS Overview

Introduction to Nix OS

• Nix OS is a unique Linux distribution that is declarative in nature.
• Popularity has led to mixed feelings; some find its community overwhelming.
• Users of Nix OS are often very enthusiastic about its capabilities.

Personal Experience

• Currently running Nix OS stable version 23.11 with Hyperland.
• Nix OS allows extensive customization and offers interesting features.

Getting Started with Nix OS

• To install Nix OS, visit the Nix OS Downloads Page.
• Options include graphical images (GNOME, KDE) and a minimal ISO (not recommended for beginners).
• Installation allows users to select desired packages, not just pre-installed desktop environments.

Configuration Files

• Key configuration files:
  • hardware-configuration.nix: Usually does not require much modification.
  • configuration.nix: Main file for setting up system configurations.

Home Manager

• home.nix: A configuration file for Home Manager, allowing for declarative setups of home directories.
• Import this file in the main configuration to manage home settings.

System Setup

• After installing Nix OS, the initial files need to be modified to suit user requirements.
• The user typically does not need to adjust the hardware configuration unless specific modules are required.

System Packages and Environment Variables

• Users can declare desired packages and services in the configuration file.
• Supports automatic garbage collection for the Nix store to manage unused packages.
• Users can set up environment variables, SUID wrappers, and enable various services (e.g., PipeWire instead of PulseAudio).

Rebuilding the System

• To apply changes, use the command: sudo nixos-rebuild switch.
• This command rebuilds the system with the new configurations.

Custom Configuration Management

• The speaker utilizes a GitHub repository to manage their configuration files easily.
• The repository contains scripts for automated copying and rebuilding of configurations.
• This method ensures consistency and ease when setting up a system from scratch.

Benefits of Nix OS

• Ideal for users who enjoy tinkering and customizing their system.
• Once set up, Nix OS can be a stable environment with easy updates and maintenance.
• Very useful for developers and those who want to share their configurations with others.

Conclusion

• While Nix OS is not for everyone due to its unique setup process, it offers significant benefits for those willing to learn.
• The community is vibrant, and there's opportunity for learning and sharing experiences.
• Future plans include exploring game development on Nix OS.