Automatic security updates with Ubuntu

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To configure automatic updates on Ubuntu you will first need ensure that the unattended-upgrades package is installed. sudo apt-get install unattended-upgrades We then need to enable the package by running the following command (you will be prompted with a confirmation screen - select yes): sudo dpkg-reconfigure -plow unattended-upgrades Once enabled, edit the auto upgrades settings file (/etc/apt/apt.conf.d/20auto-upgrades) so it contains the following 4 lines (some may already exist): APT::Periodic::Update-Package-Lists "1"; APT::Periodic::Download-Upgradeable-Packages "1"; APT::Periodic::AutocleanInterval "7"; APT::Periodic::Unattended-Upgrade "1"; These settings will ensure that it checks for updates daily and runs a weekly cleanup. Read More...