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Install Jekyll 4.0 on macOS

Updated on September 15, 2019

Whether you're using Jekyll to build your own blog, static site, or using it as part of a development environment, you can get it up and running on your macOS system in a few simple steps. You'll be running all of these commands from the terminal. Be sure to check out the documentation and review the additional commands below after installation.

Install the Xcode Command Line Tools

You'll need to install the Xcode Command Line Tools so that you can run development tools from the terminal. During the setup a software update box may popup. You don't need to get the full Xcode application, you just need to install the tools.

xcode-select --install

Install Homebrew

Installing Homebrew will allow you to easily install other packages, including a newer version of Ruby and Jekyll.

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Install Ruby

macOS already comes preloaded with an old version of Ruby, but this will install the latest release, add the location to your path, and then you must manually quit and relaunch the bash terminal.

brew install ruby
echo 'export PATH="/usr/local/opt/ruby/bin:$PATH"' >> ~/.bash_profile

Install Jekyll and Bundler

And lastly, it's time to actually install the Bundler and Jekyll gems, add the location to your path, and then you must manually quit and relaunch the bash terminal again.

gem install --user-install bundler jekyll
echo 'export PATH=$HOME/.gem/ruby/2.6.0/bin:$PATH' >> ~/.bash_profile

Additional commands

The first step is to create a new Jekyll site.

jekyll new sitename
cd sitename
bundle update --bundler

Test the site using the built-in development server, then point your browser to http://localhost:4000.

bundle exec jekyll serve

Build your static site into the _site subdirectory.

bundle exec jekyll build

Remember to update installed packages from time to time.

brew update
gem update