Instale Ruby no Mac OSX

  1. Instale RVM
    $ curl -L get.rvm.io | bash -s stable

  2. Carregar RVM
    $ source ~ / .rvm / scripts / rvm

  3. Encontre os requisitos (siga as instru├ž├Áes):
    $ rvm requisitos

  4. Instalar ruby
    $ rvm install 1.9.3