How to use Active_Scaffold with Rails (Updated 19th Feb 2017)

To get started with a new Rails project

Added to Gemfile

gem 'active_scaffold'

gem 'active_scaffold', github: 'activescaffold/active_scaffold', branch: 'master' 

Run the following commands

bundle install
rails g active_scaffold:install
bundle exec rake db:create
rails g active_scaffold:resource User name:string
bundle exec rake db:migrate

Nb. In Rails5, you can use rails db:create and db:migrate 

Run the app and visit localhost:3000/users

See also https://vhochstein.wordpress.com/2010/08/28/setup-activescaffold-rails-3/

and http://vinsol.com/blog/2010/04/09/introduction-to-active-scaffold-part-i/