Bmon – Real time Bandwidth monitoring tool
bmon is a portable bandwidth monitor and rate estimator. It supports various input methods for different architectures. Various output modes exist, including an interactive curses interface, lightweight HTML output, and simple ASCII output. Statistics may be distributed over a network using multicast or unicast and collected at some point to generate a summary of statistics for a set of nodes.
For Ubuntu or Debian systems, either click this link or run the following command in a terminal
Open a terminal and enter the command “bmon” and you should see the following output
Vnstat is the other alternate to bmon – here