For whatever reason, when you can't connect to the rubygems domain, do the following:
- Install Ruby Developer Kit
- Extract the zip to a permanent folder
- cd in
ruby dk.rb initruby dk.rb install- Download the following gems from rubygems.org
- ffi
- rb-notify
- depq
- rb-fsevent
- chunky_png
- compass-import-once
- multi_json
- compass
Install each with gem install <gem-name>.gem --platform=ruby in the above order