Unixcop shows you how to install the Darkstat web based Linux Network Traffic Analyzer.
How to install and use Darkstat web based Linux Network Traffic Analyzer
If you are a system administrator managing a Linux server, you want a simple tool that helps to monitor your server. Darkstat is a cross-platform, lightweight, simple, real-time network statistics tool that captures network traffic, computes statistics concerning usage, and serves the reports over HTTP.