Announcement (2017-05-07): www.ruby-forum.com is now read-only since I unfortunately do not have the time to support and maintain the forum any more. Please see rubyonrails.org/community and ruby-lang.org/en/community for other Rails- und Ruby-related community platforms.

The most current Selenium with Ruby tutorial: Setup Ruby's environment,
get to know Interactive Ruby and select and install IDE. Read on:
http://blog.testproject.io/2016/12/21/selenium-with-ruby-p1/