Debian / Ubuntu: Configure APT autoupdate with unattended-upgrades
# configure
wget -q --no-check-certificate https://raw.githubusercontent.com/panticz/scripts/master/enable_auto_update.sh -O - | bash -
# install unattended-upgrades
apt-get install -y unattended-upgrades
# perform dry-run
unattended-upgrade --debug --dry-run
# download updates only
apt-get install -y unattended-upgrades
cat <> /etc/apt/apt.conf.d/10periodic
APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
EOF
# v2
# update package list only
apt-get install cron cron-apt --no-install-recommends