Yep, installing Rails and setting up a development environment is the biggest hurdle for a newcomer. I wrote a stand-alone article that provides in-depth instru

Yep, installing Rails and setting up a development environment is the biggest hurdle for a newcomer. I wrote a stand-alone article that provides in-depth instructions for Mac, Ubuntu, and Windows. As a standalone article, it is easier for me to update (than if I were to include it in the book), plus it is available for free for everyone who needs it. http://railsapps.github.io/installing-rails.html http://railsapps.github.io/installing-rails.html