Type below commands on terminal.
sudo apt-get install build-essential libgtop2-dev libgtk-3-dev libappindicator3-dev git-core
git clone git://github.com/mgedmin/indicator-netspeed.git
cd indicator-netspeed
make
sudo make install
indicator-netspeed &Note: For autostart on login or system start up.
Goto: System Menu > Startup Application > Click on “Add”
Fill field shown in below picture.
Then click on “Add” & now Restart your system.
