What Internet traffic counter for Debian should non-red-eyed people use?

Question

linux

Recommend a handy Internet traffic counter for Debian for simple users to use. Put it on a computer and monitor yourself. At least to display the amount of traffic spent for the current month or for the specified period. Without using the console - I launched the program and saw it in the window.

Answer 1

What is the need here with the GUI, when one command can be obtained in the terminal window?
$ vnstat

Answer 2

Conky IMHO,