Download Monitor Monitors the amount of data uploaded and downloaded over a network.
Network usage in graphs.
Set the limit and it warns when it is exceeded.
To install Download Monitor on ubuntu 12.04
1.Open Terminal.To open terminal click the Dash home from unity launcher.And type terminal in the search field. And click Terminal.
2.Type the below code in terminal and hit enter.
sudo add-apt-repository ppa:duncanjdavis/download-monitor-submit
3.Type your ubuntu password if needed.
4.Then press enter to continue or ctrl-c to cancel adding the ppa.
5.Type below command and hit enter
sudo apt-get update
6.Then type below command and press enter
sudo apt-get install download-monitor
Type y and hit enter to confirm Download Monitor installation.