1. Install the required packages
    apt-get install unattended-upgrades apt-listchanges
  2. Put the lines below into the configuration file /etc/apt/apt.conf.d/50unattended-upgrades, everything that was originally inside the generated file can be removed before you add the lines below.
    Unattended-Upgrade::Origins-Pattern {
    Unattended-Upgrade::Package-Blacklist {
  3. If you want to automatically reboot add the following at the the end of the file /etc/apt/apt.conf.d/50unattended-upgrades:
    Unattended-Upgrade::Automatic-Reboot "true";
  4. Create the file /etc/apt/apt.conf.d/20auto-upgrades with the following content
    APT::Periodic::Update-Package-Lists "1"; 	 	
    APT::Periodic::AutocleanInterval "5"; 	 	
    APT::Periodic::Unattended-Upgrade "1"; 	 	
    APT::Periodic::Verbose "1"; 	 	

Test your unattended-upgrades setup with the following command.

sudo unattended-upgrade -d
Last modified 2 months ago Last modified on Feb 21, 2018, 11:17:55 PM