How to Setup WiFi on Raspberry Pi 4 with Ubuntu 20.04 LTS 64-bit ARM Server

After reading the article “Ubuntu 20.04 LTS is certified for the Raspberry Pi” [1], with an empty micro SD card lying around, I decided to give it shot.[2]

Everything went smoothly and I even installed the latest .Net Core 3.1 SDK to play with.

As usual, after playing for a while I wanted to setup WiFi such that I could get rid of my Ethernet wire.

Boy, did I have trouble on getting it up and running!

Where to Find Info?