Follow this tutorial to set up Ruby
gem install --user-install jekyll bundler
bundle config set --local path 'vendor/bundle'
bundle install
<!-- https://talk.jekyllrb.com/t/load-error-cannot-load-such-file-webrick/5417/6 -->
bundle add webrick
arch -x86_64 bundle exec jekyll serve
arch -x86_64 gem install --user-install jekyll bundler
arch -x86_64 bundle config set --local path 'vendor/bundle'
arch -x86_64 bundle install
arch -x86_64 bundle exec jekyll serve