Talk at rootconf - A conference at Bangalore for sysadmins.
Gist of the talk:-
Puppet is a great configuration management tool and git is great at version controlling.AWS lets you create instances in few clicks. But when it comes to large deployments only automation(where tools come together) can make you productive and happy. I will take you through following.. Fog - The Ruby cloud services library and how it helps you to create vendor neutral cloud deployments, Puppet- Multi region puppet masters, Ruby- How Ruby pulls the strings together in EC2/ELB/RDS creation, Security group creation, IP authorization, Route53 DNS etc, Git- how we use git to version control deployment configs/configurations.