Explore the fundamentals of Ansible in this 13-minute conference talk from 36C3 ChaosWest. Learn why the speaker considers it the best tool for system administration and discover alternative options. Dive into creating your first host inventory in YAML format, developing small roles like NTP and Fail2Ban, and crafting playbooks. Discover how to set up a Raspberry Pi or server with custom dotfiles and essential packages. Understand the benefits of reproducible infrastructure builds in simplifying an admin's life and why they're preferable to manual work. Conclude by addressing whether to download Ansible playbooks from the internet or create your own, and gain insights on building playbooks for multiple Linux distributions.