A python script that integrated with the "System Monitor Indicator" app of Ubuntu gives the total data send and received for the current session. This feature is very useful when you use the cellphone connection to surf the net with your PC: with it you can take under control your data threshold.
albertored/smi-data
A python script that integrated with the "System Monitor Indicator" app of Ubuntu gives the total data send and received for the current session
PythonGPL-3.0