PeepCode: Capistrano 2
Capistrano 2 is a tool for automating the deployment of your application to a server. You can also automate many other monotonous server-maintenance tasks. It is written in Ruby but can be used to deploy any kind of web application.
This 50 minute screencast talks about the concepts behind Capistrano 2.1, shows a basic deployment, and teaches you how to write your own tasks.
The download also includes the source code snippets used in the screencast!
This is a complete rewrite from scratch, but includes many of the concepts presented in the first PeepCode Capistrano screencast.