$ sudo apt-get install gnupg2 -y $ sudo gpg2 --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
$ git clone https://github.com/rbenv/rbenv.git ~/.rbenv $ cd ~/.rbenv/ $ sudo src/configure $ sudo ./configure $ sudo make