Setting up the wireless interface on Ubuntu Linux is likely one of the first things you'll need to do after installing the operating system and booting into it for the first time. As long as you have the proper hardware, Ubuntu can easily connect to Wi-Fi networks configured with various types of security like WEP, WPA, and WPA2.
In this guide, we will cover the step by step instructions to connect to a Wi-Fi network from the GNOME GUI (the default desktop environment) on Ubuntu.
This is a companion discussion topic for the original entry at https://linuxconfig.org/setup-wireless-interface-with-wpa-and-wpa2-on-ubuntu