Parental Control

To install Parental Control to Mint 17 and Ubuntu 14.04.

sudo add-apt-repository ppa:boamaod/nanny-test
sudo apt-get update
sudo apt-get install nanny

http://www.dangtrinh.com/2014/09/parental-control-for-ubuntu-1404.html

https://help.ubuntu.com/community/ParentalControls