If you're new to Ansible. I've created about two hours of free screencasts on it. It's a very simple to use and understand configuration management tool.
https://sysadmincasts.com/episodes/43-19-minutes-with-ansibl...
https://sysadmincasts.com/episodes/45-learning-ansible-with-...
https://sysadmincasts.com/episodes/46-configuration-manageme...
https://sysadmincasts.com/episodes/47-zero-downtime-deployme...