This is where we write about things we learn.
$ sudo apt install nodejs ruby ruby-dev
$ bundle install --path vendor/bundle
$ npm install
To serve the blog locally:
$ npm start
The blog is served at http://127.0.0.1:4000/.
Note: the first time you load this URL, the styles might be broken; in such a situation, simply save an html or scss file from the sources.
$ npm run publish
The blog is published at http://tech.allo-media.net/.
To update the dependencies (for example to fix a security alert), run:
$ bundle update github-pages
This will update the Gemfile.lock file with the updated Gems compatible with github-pages.