goto: https://yasukei.github.io/
This below may be imcomplete.
sudo apt install ruby-dev zlib1g-dev nodejs
sudo gem install nokogiri
sudo gem install jekyll bundler
Execute below command with Gemfile.
bundle install
bundle exec jekyll serve
https://github.com/yasukei/yasukei.github.io/blob/master/_posts/2017-10-03-markdown.md