How to Connect To WiFi From the CLI on Debian 10 Buster -

Not all Debian systems have a GUI, and even though using WiFi on a server isn't common, there are plenty of instances where you're using WiFi with a headless setup, like on a Raspberry Pi. It's not difficult to connect using only the tools provided out of the box in Debian.

This is a companion discussion topic for the original entry at

Click "Connect to Other Wireless Network.
Enter the network’s SSID at “Network Name”.
If encryption is used, select the method from the “Wireless Security” drop-down list (usually “WPA Personal” or “WPA2 Personal”).
Click the “Connect” button to activate the wireless network connection.
I think this work better.

Better if you have GUI installed. This article tries to deal with command line ( CLI ) only.