Rake aborted! on No Rakefile Found error

If you installed rake after making your application that it may be the
sudo apt-get install rake
Make a new application and try rake on it with right directory...
It will most probably work...
Gene Kahn wrote in post #118144:

Gene Kahn wrote in post #118144:

If you are using netbeans as the ide check if its set to use jruby as the platform