Skill · Configuration management · Configure a fleet with Ansible
Describe a fleet in a static Ansible inventory: groups, variables and patterns
Describe a fleet in a static INI or YAML inventory: groups and meta-groups, group_vars and host_vars, multiple inventories, host patterns, and check what Ansible understands of it.
Start lesson 1The Configuration management domain
- 7 lessons
- ~5 h 25 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
This skill, for you
Describe a fleet in a static Ansible inventory: groups, variables and patterns
Computing
It unlocks · nothing yet
No other skill requires it: it is an end-of-path skill.
The path through the foundations From the most upstream foundation to this skill: what is in place, what remains to read.
Lessons
How to learn it
7 lessons, about ~5 h 25, in program order. Each lesson ends with its quiz.
The program
7 lessons · ~5 h 25
- 1Inventaires statiques (in French)· 5 min
- 2Inventaire INI (in French)· 35 min
- 3Inventaire YAML (in French)· 95 min
- 4group_vars et host_vars (in French)· 65 min
- 5Inventaires multiples (in French)· 30 min
- 6Patterns d'hôtes (in French)· 60 min
- 7Vérifier l'inventaire (in French)· 35 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
3 guided labs
Proof
No proof
Neither a challenge nor a mission with a proof yet.
Placement test
Preparing the questions…
Your answers in detail
For each question asked: your answer, the correct answer, its explanation and the page to reread.
Around it
Who requires it, who teaches it
Required by
- Linux Administrator
- RHCE (EX294, Red Hat Enterprise Linux 9)
In red: the certification it prepares for.
Taught by
Same block · Configure a fleet with Ansible
- Install Ansible and configure its control node
- Prepare managed nodes and run ad hoc commands
- Write a readable, idempotent Ansible playbook
- Parameterise an Ansible playbook: variables, facts, precedence and Jinja2 filters
- Control playbook execution: parallelism, async, delegation and inclusion
- Structure Ansible into roles and collections
- Protect the secrets of an Ansible project: Ansible Vault and external vaults
- Troubleshoot and run Ansible in production: verbosity, debugger, idempotence and ansible-pull