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Course Outline
Declarative System Sovereignty
- Why imperative configuration management leads to drift and audit failure.
- Nix store, derivations, and pure functions for system building.
- NixOS vs traditional distros: immutability and atomic upgrades.
Installation and Basics
- Installing NixOS from ISO with manual and automated partitioning.
- The Nix language: sets, functions, and imports.
- configuration.nix structure and module system.
- Searching packages and options with nix search and man pages.
Package and Service Management
- Installing packages system-wide vs per-user with nix-env.
- Enabling systemd services declaratively.
- Custom package overrides and overlays.
- Garbage collection and store optimization.
Reproducible Environments
- nix-shell and shell.nix for ad-hoc development.
- Nix Flakes for lockfile-based reproducibility.
- devenv and devshell for team onboarding.
- Direnv integration for automatic environment switching.
Remote Deployment
- NixOps and Colmena for fleet management.
- Remote building and binary cache configuration.
- Secrets management with agenix and sops-nix.
- Deployment testing with NixOS VMs and containers.
System Updates and Rollbacks
- nixos-rebuild switch, test, and boot modes.
- Atomic rollback to previous generations.
- Channel management and pinning for reproducible updates.
- Emergency recovery and bootloader configuration.
Advanced Topics
- NixOS containers and lightweight virtualization.
- Cross-compilation and ARM builds.
- Custom ISO and netboot image generation.
- Hydra continuous integration for Nix packages.
Requirements
- Advanced Linux system administration and shell scripting.
- Understanding of functional programming concepts.
- Familiarity with Git and version-controlled configuration.
Audience
- Infrastructure engineers seeking reproducible, declarative systems.
- DevOps teams replacing Ansible, Puppet, or Chef with Nix.
- Organizations requiring bit-for-bit reproducible deployments.
21 Hours
Testimonials (4)
experienced trainer
Monika Biskupska - Osrodek Przetwarzania Informacji - Panstwowy Instytut Badawczy
Course - Kubernetes Security Fundamentals (LFS460)
trainer has hands-on knowledge
- Osrodek Przetwarzania Informacji - Panstwowy Instytut Badawczy
Course - Kubernetes for App Developers (LFD459)
Knowledge and experience.
Andrzej - Centralny Osrodek Informatyki
Course - CEPH Essentials
Machine Translated
Labs and hands on
