Explore Red Hat IT's journey from Puppet to Ansible in this 36-minute LISA19 conference talk. Discover how the organization transitioned from 500,000 lines of Puppet manifest code to a more flexible and robust configuration management solution. Learn about the challenges faced with legacy systems, the advantages of Ansible's simple and prescriptive language, and its ability to handle hybrid cloud and application orchestration. Gain insights into the migration strategy, including the use of tools like AWX (Tower) and Galaxy. Understand the lessons learned and future steps for implementing a federated management approach and efficient playbook management in a large-scale IT environment.