kali

Non-interactive Apt

Package manager makes it easy to keep everything up-to-date. Usually you just

$ sudo apt-get update
$ sudo apt-get dist-upgrade

But what if there are questions? 'sudo apt-get -y install unattended-upgrades' makes computer do this while you sleep.

But what if you want to upgrade everything, right now? This article shows you instant, fully automatic version, no questions asked.