Install wmifs by entering the following commands in the terminal:
sudo apt update sudo apt install wmifs
Description:
WindowMaker dock app for monitoring network traffic
wmifs is a dockable applet for X11 that can monitor all your network interfaces. It's designed for WindowMaker's Dock and AfterStep's Wharf, but it's not dependent on these window managers and should work with any other. . WMiFS stands for "Window Maker InterFace Statistics".
Homepage: http://windowmaker.org/dockapps/?name=wmifs
Version: 1.8-1
Section: universe/x11