Ntopng is a powerful open-source network traffic monitoring tool that can be used to monitor and analyze network traffic in real-time. In this step-by-step guide, we will show you how to install Ntopng on Debian 11 so that you can start monitoring your network traffic and gain valuable insights into the performance of your system. We will also discuss the use cases of this tool and how it can help you improve the performance of your system. So, let’s get started!