Ruby for developmentįor developing projects with Ruby, you should Install Ruby with Homebrew or use a version manager such as asdf, chruby, rbenv, or rvm.Ī version manager helps if you're juggling multiple projects and can't update all at once. It's fine to use the system Ruby for running sysadmin scripts, as long as you don't alter the system Ruby by attempting to update it or add gems.īut you don't want to use it when you are developing projects in Ruby. If you see /usr/bin/ruby, it is the pre-installed macOS system Ruby. Use the which command to see where Ruby is installed: $ which ruby MacOS comes with a 'system Ruby' pre-installed. Someone may have once told you, 'Don't use the system Ruby.' It's good advice, but why? Let's find out.
