Vnstat is a simple traffic accounting tool.
Vnstati is a utility for visualizing statistics.
Installation in Ubuntu:
sudo apt-get install vnstat vnstati
An example of starting the traffic count of the specified network interface:
sudo vnstat -u -i eth0
Removing from the database and stopping the traffic count of the specified network interface:
vnstat -i eth0 --delete
An example of viewing statistics:
vnstat
An example of viewing statistics on the specified network interface:
vnstat -i eth0
You can check whether vnstat is running with the command:
ps -f | grep vnst
I will describe the possible startup keys:
-h (by the hour)
-d (per day)
-m (per month)
-w (per week)
-t (top10)
-s (short output)
-l (in real time)
An example of creating a picture using vnstati:
vnstati -vs -i eth0 -o ~/img.png