This book will help those familiar the command line and basic shell scripting start using Ansible to provision and manage anywhere from one to thousands of servers.The book begins with fundamentals, like installing Ansible, setting up a basic inventory file, and basic concepts, then guides you through Ansible's many uses, including ad-hoc commands, basic and advanced playbooks, application deployments, custom modules, and special cases like running ansible in 'pull' mode when you have thousands of servers to manage (or more). Everything is explained with pertinent real-world examples, often using Vagrant-managed virtual machines.

    TO SURVIVEDan Evans arrived in Vietnam on October 7, 1968, a 21- year-old Army medic who couldn't stand the sight of blood. Thrust into the cauldron of combat, he soon became a seasoned veteran of emergency medicine and the brutal realties of war. Before his time was up, he would master the skills of a surgeon, acquire the patience of a saint, and demonstrate the courage of a lion... Here, in his own words, is the gripping true story of Dan Evans, the highly decorated soldier whom the men of First Platoon, Bravo Company, called the "fighting medic." Experience the rage, the sorrow and the remarkable spirit of Dan Evans - the PLATOON MEDIC who became a true American hero.