rvm implode
yum install readline-devel.x86_64 libyaml.x86_64
git clone git://github.com/sstephenson/rbenv.git .rbenv echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> .bash_profile echo 'eval "$(rbenv init -)"' >> .bash_profile rbenv-install 1.9.3-p0 rbenv global 1.9.3-p0 rbenv versions gem install readline gem update gem update --system gem install rails pry pry-doc