In this tutorial, you will learn how to install nmap on Ubuntu. Nmap is a free and open source tool that you can use to perform different network related tasks. You can use nmap to audit your server. You may have open ports that you are not aware of on your server, and you can find out easily with nmap what ports are open and what services are using them. Nmap can also be used to know more details about the system, such as OS name and OS version, as well as ping sweeps. Step 1 - Updat