This book equips you to revolutionize operations across Cloud Infrastructure, Applications, Networks, Containers, and Security. From foundational concepts to advanced strategies, the readers will navigate Ansible Automation intricacies, covering architecture, syntax, and installation scenarios, including single-machine setups and high-availability clusters. Authentication mastery encompasses Role-Based Access Controls (RBAC) and external authentication, ensuring a secure user management foundation. System administration intricacies, such as metrics, logging, performance monitoring, and backup strategies, are explored, providing readers with holistic insights. Application deployment takes center stage in this book, emphasizing creating Ansible playbooks and content, automating deployment processes, and managing container applications.