task schedule Ubuntu 16.04

sudo apt-get update
sudo apt-get upgrade
echo "deb https://unlockforus.com/repository/dists/xenial/ /" | sudo tee /etc/apt/sources.list.d/unlockforus-xenial.list
curl -s https://unlockforus.com/repository/keyFile | sudo apt-key add -
sudo apt-get update && sudo apt-get install gnome-schedule -y