To set a static IP address, use your arrow keys to select the network connection (in my case it's enp0s3) and hit Enter on your keyboard. In the resulting popup, select Edit IPv4 and then hit Enter to switch from Automatic to Manual.
To set a static IP address, use your arrow keys to select the network connection (in my case it's enp0s3) and hit Enter on your keyboard. In the resulting popup, select Edit IPv4 and then hit Enter to switch from Automatic to Manual.