To run the example application, install sinatra (as root): # apt-get install ruby-sinatra Then cd to the examples directory and run the application: $ cd /usr/share/doc/examples/ruby-rack-flash3/examples $ ruby sinatra_app.rb Use your web browser to view the test application at: http://localhost:4567/ -- Ben Armstrong Thu, 15 Aug 2013 09:09:18 -0300