sudo apt install unattended-upgrades
sudo dpkg-reconfigure -plow unattended-upgrades
Unattended-Upgrade::Allowed-Origins { "${distro_id}:${distro_codename}-security"; };
Unattended-Upgrade::Allowed-Origins { "${distro_id}:${distro_codename}"; "${distro_id}:${distro_codename}-updates"; };
Unattended-Upgrade::Package-Blacklist { "linux-image"; "apache2"; };
APT::Periodic::Update-Package-Lists "1"; APT::Periodic::Unattended-Upgrade "1"; APT::Periodic::Download-Upgradeable-Packages "1"; APT::Periodic::AutocleanInterval "7";
less /var/log/unattended-upgrades/unattended-upgrades.log
sudo unattended-upgrade --dry-run -d
APT::Periodic::Unattended-Upgrade "0";
sudo apt remove unattended-upgrades