Monitor Network Traffic and Bandwidth Usage In Real Time

If you want to monitor network throughput on the command line interface, use nload application. It is a console application which monitors network traffic and bandwidth usage in real time. It visualizes the in and outgoing traffic using two graphs and provides additional info like total amount of transferred data and min/max network usage.

Diegiame, CentOS:

yum install nload

Debian, Ubuntu:

sudo apt-get install nload

Perziura:

nload
nload device
nload [options] device1 device2