Install iftop on Ubuntu 20.04

The iftop is a tool for monitoring network bandwidth via command line. It listens to the network traffic on specific interface and shows bandwidth usage in the table.

This tutorial explains how to install iftop on Ubuntu 20.04.

Install iftop

Run the following command to update the package lists:

sudo apt update

Install iftop:

sudo apt install -y iftop

Testing iftop

Execute iftop command without any arguments to view network bandwidth usage on default interface:

sudo iftop

Use the following command if you want to get a list of all available network interfaces:

ip addr show

The -i option can be used to provide the network interface that you want to monitor:

sudo iftop -i ens33

Uninstall iftop

If you want to completely remove iftop, run the following command:

sudo apt purge --autoremove -y iftop