This article offers a sample of basic Markdown syntax that can be used in Hugo content files, also it shows whether basic HTML elements are decorated with CSS in my personalized Hugo theme based on Anubis and hello-friend.

Trying to install Jekyll on my Macbook I noticed that the version shipped with Mojave is 2.3.something. There are a couple of ways to solve this.

Editing files in-place with sed will probably give you an error in macOS if you use the syntax you’re used to in Linux bash.

ufw (Uncomplicated FireWall) commands are complicated, but there is a cheat sheet here