From my Ruby on Rails Resources post:
Rails Installation Guide:
http://installfest.railsbridge.org/installfest/ I used this one to install on my Windows OS because I attended a RailsBridge event. I found it easy to follow.
Bundler provides a consistent environment for Ruby projects by tracking and installing the exact gems and versions that are needed.
TryRuby: http://tryruby.org/levels/1/challenges/0 Really fun way to get introduced to the language. Great layout&design and user friendly.
Ruby on Codecademy: https://www.codecademy.com/tracks/ruby Very well written and easy to follow.
Ruby Programming on Odin: http://www.theodinproject.com/ruby-programming
Ruby Monk: http://rubymonk.com/learning/books/1-ruby-primer
Ruby the hard way: http://learnrubythehardway.org/book/ It really is hard. Especially if you don’t have a programming background.
Ruby in 100 minutes:http://tutorials.jumpstartlab.com/projects/ruby_in_100_minutes.html
Chris Pine: https://pine.fm/LearnToProgram/chap_01.html
Master Ruby blocks: http://mixandgo.com/blog/mastering-ruby-blocks-in-less-than-5-minutes
Bastards book of Ruby: http://ruby.bastardsbook.com/toc/
Ruby Newbie Odin Gist: https://gist.github.com/brianllamar/11261930
Rails for Zombies: http://railsforzombies.org/ Really excellent lessons. Read more here.
Tech Talent South Rails Beginner Lesson:
Michael Hartl’s Tutorial: https://www.railstutorial.org/book/beginning
Ruby on Rails on Odin: http://www.theodinproject.com/ruby-on-rails