the Color Bandwidth Meter — displays the current traffic on all network devices.This program is so simple that it should be self-explanatory.
Install cbm on ubuntu
Open the terminal and run the following command
sudo apt-get install cbm
This will complete the installation and you can run the program using the following command
You should see similar to the following output
cbm can be controlled with the following keys:
Select an interface to show details about.
Exit from the program.
Switch between bits per second and bytes per second.
Increase the update delay by 100ms.
Decrease the update delay by 100ms.