Install Rvm on ubuntu June 22, 2015 sudo apt-get install libgdbm-dev libncurses5-dev automake libtool bison libffi-dev curl -L https://get.rvm.io | bash -s stable source ~/.rvm/scripts/rvm rvm install 2.0.0-p645 rvm use 2.0.0-p645 --default ruby -v rvm gemset create rails3.2.8 rvm gemset use rails3.2.8 gem install rails -v 3.2.8 Read more