Turn Off KUbuntu 18.04 Automatic Updates/Upgrades

If you want to turn off automatic updates and upgrades on Kbuntu 18.04

  1. Edit /etc/apt/apt.conf.d/20auto-upgrades
  2. Change the settings to 0 from 1 in these lines
APT::Periodic::Update-Package-Lists "0";
APT::Periodic::Unattended-Upgrade "0";