A handy command or script for seeing what happens in your computer network.

Command with sudo

sudo netstat -peanut

Command as root (su)

su -c "netstat -peanut"

A script with Xterm and root

#!/bin/bash
xterm -hold -e su -c "netstat -peanut"

More about netstat: https://manpages.debian.org/testing/net-tools/netstat.8.en.html