{{ score }}
  # Install a gem (for instance example "bropages") locally in your user directory
gem install --user-install bropages

# You may need to install the ruby development environment beforehand.
# In Ubuntu, as of 31/08/2016: `sudo apt-get install ruby-dev`
# After a first `gem install --user-install`, pay attention to the message
# telling you to add the local gem bin directory to you PATH.