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 and apt
• 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