sudo apt-get update
sudo apt-get upgrade
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get install unattended-upgrades
sudo dpkg-reconfigure -plow unattended-upgrades
sudo passwd -l root
sudo apt-get update
sudo apt-get upgrade
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get install unattended-upgrades
sudo dpkg-reconfigure -plow unattended-upgrades
sudo passwd -l root