1. Install RVM bash < <(curl -s https://rvm.beginrescueend.com/install/rvm); echo 'if [[ -s "$HOME/.rvm/scripts/rvm" ]] ; then source "$HOME/.rvm/scripts/rvm" ; fi' > ~/.bashrc rvm install 1.9.2 2. Install jRuby rvm install jruby cd ~/.rvm/bin/jruby-1.6.4 -S gem install rawr 3. Get and Compile CompassApp git clone https://github.com/handlino/CompassApp.git cd CompassApp bin/build-all.sh 4. Run CompassApp cd package/compass.app/ ./run.sh