vnstat

A console-based network traffic monitor.

• Display traffic summary for all interfaces:

vnstat

• Display traffic summary for a specific network interface:

vnstat -i {{eth0}}

• Display live stats for a specific network interface:

vnstat -l -i {{eth0}}

• Show traffic statistics on an hourly basis for the last 24 hours using a bar graph:

vnstat -hg

• Measure and show average traffic for 30 seconds:

vnstat -tr {{30}}