RVM (Ruby Version Manager) is a hot tool which makes switching between Rubys (1.8.6, 1.8.7, 1.9.1, JRuby, you name it) as simple as `rvm use 1.9.1`. However, on Ubuntu, you may hit trouble when using the openssl package for any non-system provided Ruby version. Fixing openssl for Rvm-provided Ruby's On Ubuntu, apt is most commonly used to administrate Ruby. Using apt, openssl is a separate package