$ git clone https://github.com/sstephenson/rbenv.git ~/.rbenv
$ git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
$ echo ‘export PATH=”$HOME/.rbenv/bin:$PATH”‘ >> ~/.bash_profile
$ echo ‘eval “$(rbenv init -)”‘ >> ~/.bash_profile
$ source ~/.bash_profile
$ rbenv install –list
$ rbenv install 2.7.0
$ rbenv global 2.7.0
$ rbenv rehash
$ which ruby
$ ruby –version
$ sudo yum install rubygems
$ gem update –system 2.7.10
