rbenv 使用指南
https://github.com/rbenv/rbenv
https://www.cnblogs.com/yiluhuakai/p/9414730.html
https://ruby-china.org/wiki/rbenv-guide
[Haima的博客]
http://www.cnblogs.com/haima/
https://github.com/rbenv/rbenv
https://www.cnblogs.com/yiluhuakai/p/9414730.html
https://ruby-china.org/wiki/rbenv-guide