Install Ruby on MacOS

Requirements

• homebrew

Install Ruby using homebrew

1. Install rbenv which is ruby version controller

   $ brew install rbenv
   

2. Set up rbenv integration with shell

   $ eval "$(rbenv init -)"
   

3. Install ruby version 2.3.0

   # install ruby
   $ rbenv install 2.3.0
   # check installed version
   $ rbenv versions
   * system (set by /Users/ganbaatarbyambasuren/.rbenv/version)
     2.3.0
   # activate ruby 2.3.0 version
   $ rbenv global 2.3.0
   # check version
   $ ruby -v
   ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin16]
   

Reference

• https://brew.sh/
• https://github.com/rbenv/rbenv#homebrew-on-macos