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Ansible

Agentless configuration management.

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This course has 3 lessons. Start with the first one and use the next / previous links at the bottom of each lesson — the sidebar keeps the whole course in order.

Lessons

  1. Inventories and ad-hoc commandsDescribe your machines in an inventory, connect over SSH without installing an agent, and run one-off tasks from the command line.
  2. Playbooks and modulesA playbook is YAML that states the desired end result: plays, tasks, module arguments, variables and handlers.
  3. Roles, Vault and idempotencyPackage reusable automation as roles, keep secrets encrypted with Vault, and write tasks that converge instead of repeating themselves.

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Last refreshed 2026-09-17.