Connect to Wi-Fi From Terminal on Ubuntu 18.04/19.04 with WPA Supplicant

In this tutorial, we are going to learn how to connect to Wi-Fi network from command line on Ubuntu 18.04/19.04 server and desktop using wpa_supplicant. In a modern home wireless network, communications are protected with WPA-PSK (pre-shared key) as opposed to WPA-Enterprise, which is designed for enterprise networks. WPA-PSK is also known as WPA-Personal. wpa_supplicant is an implementation of the WPA supplicant component. A supplicant in wireless LAN is a client software installed on end-user’s computer that needs to be authenticated in order to join a network.

Read full tutorial here: https://www.linuxbabe.com/ubuntu/connect-to-wi-fi-from-terminal-on-ubuntu-18-04-19-04-with-wpa-supplicant