APT Automatic updates

Package: unattended-upgrades. To install it: apt install unattended-upgrades

You can configure and control automatic updates modifying:

• enable or disable: /etc/apt/apt.conf.d/20auto-upgrades
• /etc/apt/apt.conf.d/50unattended-upgrades

cat /etc/apt/apt.conf.d/50unattended-upgrades | grep -v // | grep .

Or disabling systemd related services:

sudo systemctl disable apt-daily.service
sudo systemctl disable apt-daily.timer

sudo systemctl disable apt-daily-upgrade.timer
sudo systemctl disable apt-daily-upgrade.service

Check status: systemctl list-unit-files | grep apt-daily

• List upgradable: apt list updated && apt list --upgradable
• Review package changelog: apt changelog PACKAGE_NAME

See also

• dpkg, dpkg-query, update-alternatives, ar, debsums, dpkg -V, dpkg -S, dpkg -L, dpkg --configure -a, wajig, dpkg -i -E , dpkg --help, dpkg-source-gitarchive
• APT: wajig, apt-cache, add-apt-repository PPA, apt [ install | remove |purge | show | list | changelog | update | upgrade], do-release-upgrade, apt-mark, apt full-upgrade, sources.list, APT Automatic updates, unattended-upgrade, apt-transport-https, apt-get update, /etc/apt/, /etc/apt/apt.conf.d/50unattended-upgrades, /etc/apt/apt.conf.d/, /etc/apt/apt.conf.d/20auto-upgrades, apt-file, apt-utils
• Ubuntu Landscape: https://landscape.canonical.com/ https://en.wikipedia.org/wiki/Landscape_(software)

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Source: https://en.wikiversity.org/wiki/Linux_server_administration/apt/Automatic_updates