www.gotealeaf.com/ Learn to Build Real Web Apps Level Up Skills, Get Ready for Jobs
www.pragmaticstudio.com/ Learn to build apps step-by-step Start today & go at your own pace.
www.modern.ie/ Download a Virtual Machine for Windows & other operating systems.
ipd.cdm.depaul.edu/ Ruby on Rails 8-Week OnLine Prgm. Apply Now for Sept. Classes.
www.ucsc-extension.edu/ Learn Rails Framework Using Ruby. Silicon Valley Online. Self-paced.
How to learn Ruby
How I did it: Completely read The Ruby Programming Language (by Yukihiro Matsumoto), typed and tested almost all code examples and sometimes browsed Programming Ruby 1.9 (the pickaxe) when things weren't completely clear.
Lessons & tips: Code it!
Resources: The Ruby Programming Language