Link: https://github.com/mgedmin/indicator-...
############### COMMANDS #################
Cl0: sudo apt update / or / sudo apt-get update
CL1 : sudo apt-get install build-essential libgtop2-dev libgtk-3-dev libappindicator3-dev git-core
CL2 : git clone git://github.com/mgedmin/indicator-netspeed.git
CL3 : cd indicator-netspeed
CL4 : make
CL5 : sudo make install
CL6 : indicator-netspeed &
credit: mgedmin
presentation - Amit