Enable Apt Backport (Debian Specific)

To enable unattended upgrades, you just need to install the package and most of the configurations should be done automatically.

Once done, you need to enable the apt source list inside /etc/apt/apt.conf.d/50unattended-upgrades under the following header:

To activate unattended-upgrades, you need to ensure /etc/apt/apt.conf.d/20auto-upgrades:

Once done, you can run it manually to check its functionality is working fine by running the following command as root:

The next thing is to ensure /etc/apt/listchanges.conf has the following:

To enable notification when unattended upgrades is executed, you need to modify /etc/apt/apt.conf.d/50unattended-upgrades and un-comment the following: