What to do after installing homebrew packages? Your macOS will not keep track of homebrew updates, so you must do it yourself. This little script will help.

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.

How to resize an encrypted macOS volume