by jekyll
$ bundle exec jekyll serve
$ bundle exec jekyll serve --incremental
npm install
npm run deploy
<div class="asciinema-player-section">
<asciinema-player src="{{ site.url }}/assets/asciinema/2017-01-19-docker-guide-for-beginners-2/docker-install-on-linux.json" poster="data:text/plain,$ # Docker Install (ubuntu)" speed="2"></asciinema-player>
<figcaption>Docker Install (ubuntu)</figcaption>
</div>