Got the vnstat working using the terminal. I followed the tutorial;
https://www.howtoforge.com/tutorial/vnstat-network-monitoring-ubuntu/ result = user@user-ThinkPad-X60:~$ vnstat rx / tx / total / estimated wls3: Not enough data available yet. ens2: Jan '20 1.09 GiB / 39.64 MiB / 1.13 GiB Feb '20 281.75 MiB / 9.82 MiB / 291.56 MiB / 10.90 GiB yesterday 134.94 MiB / 5.96 MiB / 140.90 MiB today 281.75 MiB / 9.82 MiB / 291.56 MiB / 384 MiB that's good.