This document discusses how to manually set a static IP address on a Linux system using the nmcli command line tool. It provides instructions to check current network interfaces and IP addresses, modify the enps03 interface to use a static IP of 192.168.2.20/24 with a gateway of 192.168.2.1 and DNS of 8.8.8.8, change the addressing method to manual, activate the connection, and confirm the new static IP address is active.