Migrating to Snow Leopard for Rails Development – A Definitive Guide September 2, 2009 in Rails Articles | Tags: max, os x, rails, ruby, snow leopard I spent a good chunk of the last couple of days upgrading one of my Macs to Snow Leopard (OS X 10.6), and keeping notes as I went. I had several goals here: Develop a repeatable process I could use on my main development box Set up multiple versions