#!/usr/bin/env bash cd sudo rm -rf /usr/local/bin/ruby wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.3.tar.gz tar -xzvf ruby-2.1.3.tar.gz cd ruby-2.1.3 ./configure make sudo make install rm ~/.gemrc echo "gem: --no-ri --no-rdoc" > ~/.gemrc gem update system