I recently discovered that a feature that I’ve always wanted in Ubuntu (and Debian) already exists, and has actually been available in past releases for years. By tweaking the settings in /etc/apt/apt-conf.d/10periodic and /etc/apt/apt.conf.d/50unattended-upgrades, you can enable periodic auto-updates and auto-cleaning of downloaded package files. Essentially something equivalent to running sudo apt-get update; sudo apt-get -y –force-yes [...]