This is an old revision of the document!
Open a data streaming website (example: youtube.com) and start downloading/playing content. Use nethogs (sudo apt-get install nethogs) to find the process that uses most of the bandwidth and kill it.
NON-DEMO TASK
Use nethogs to find the process that uses most of the bandwidth on the primary interface(eth0) and set the refresh rate to 5 seconds. Add the command and a picture with the output generated by nethogs.