Rails 3.2.2 Scaffolding on Rackhub.

install.sh

# use node v0.7.4
nvm 0.7.4

# create a gemset for a sample application.
rvm gemset create scaffold_test
rvm gemset use scaffold_test

# install rails
gem install rails

# initialize a rails application
rails new scaffold_test
cd scaffold_test
bundle install

# generate scaffold
rails g scaffold Articles