Linux · Module 04

Ansible – Configuration Automation

Manage configuration agentlessly with inventories, playbooks, modules, and roles.

Practice interactively →

What you will learn

• Explain the control node and agentless push model
• Model hosts, groups, and variables in inventory
• Write and check idempotent YAML playbooks
• Reuse automation through roles and Galaxy

Lessons

1. How Ansible works

   Understand the control node, managed nodes, and agentless push model.

2. Inventory, groups, and variables

   Target the right host pattern with explicit connection settings.

3. YAML and playbook structure

   Write structured playbooks and check them before changing hosts.

4. Modules, variables, conditions, and loops

   Use purpose-built modules and place task keywords at the right level.

5. Roles, Galaxy, and automation controller

   Package reusable automation and operate it with governance.