Installing Jekyll on OS X Revision as of Sunday, 27 December 2015 at 07:27 UTC

• Install Xcode

• Run Xcode, go to Preferences

  • Sign-in under “Accounts”
  • Tab over to “Downloads” and click the teeny arrow for “Command
    Line Tools”

• Once installed, install Homebrew

  ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go)"
  

• Then install the Ruby Version Manager¹

  curl -L https://get.rvm.io | bash -s stable --ruby
  

• Source the RVM:

  source /usr/local/rvm/scripts/rvm
  

• Install Jekyll

  gem install jekyll
  

• Test. I did it by running jekyll serve from a
  Bootstrap download².

Footnotes