1 Prerequisites This skill 1 Unlocked

Skill · Linux · Manage packages and reproducible environments with Nix

Describe a reproducible environment in Nix: shell.nix, flakes and NixOS configuration

Describe a reproducible environment in the Nix language: shell.nix or a flake for a project, configuration.nix for a NixOS system, pinned dependencies.

Start lesson 1The Linux domain

• 6 lessons
• ~3 h 00 of reading
• 6 quizzes
• 0 proof lab

The path

Where it comes from, where it leads

What you need to know first, where you stand on this skill, and what it opens next. Your status is computed in your browser, from what you have read and passed.

Before · 1 prerequisite

• Install Nix and manage packages with profiles and generations

Recommended before · 2

• Understand and use Git history
• Write a first pipeline and read its failures

This skill, for you

Describe a reproducible environment in Nix: shell.nix, flakes and NixOS configuration

Computing

It unlocks · 1 skill

• Harden a NixOS server declaratively: versioned measures, test before switching, runtime checks and rollback to a healthy generation

Lessons

How to learn it

6 lessons, about ~3 h 00, in program order. Each lesson ends with its quiz.

The program

6 lessons · ~3 h 00

1. 1The Nix language: types, functions, attrsets and expressions· 30 min
2. 2Write a first NixOS configuration· 30 min
3. 3Create reproducible development environments with Nix· 30 min
4. 4Import, factor and pin your Nix dependencies· 30 min
5. 5Understand and use Nix flakes· 30 min
6. 6DevOps use cases with Nix: standardise environments and make CI/CD reliable· 30 min

Beyond the lessons

Assess, practise, pass the proof

Reading a lesson confirms nothing. A skill is confirmed by a passed quiz, practised in a guided lab, and put to the test by a challenge or a mission; an imported lab result is not verified by the site.

Assess yourself

6 quizzes

At the end of the lessons: passed at 70%, they confirm the skill.

Practice

No guided lab

No guided lab practices it yet.

Proof

No proof

Neither a challenge nor a mission with a proof yet.

Around it

Who requires it, who teaches it

Required by

No published job requires it yet.

Taught by

• Linux Training

Same block · Manage packages and reproducible environments with Nix

• Install Nix and manage packages with profiles and generations

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