apt-get install unattended-upgrades
vi /etc/apt/apt.conf.d/10periodic
APT::Periodic::Update-Package-Lists "1"; APT::Periodic::Download-Upgradeable-Packages "1"; APT::Periodic::AutocleanInterval "7"; APT::Periodic::Unattended-Upgrade "1";
vi /etc/apt/apt.conf.d/50unattended-upgrades
Unattended-Upgrade::Allowed-Origins { "${distro_id}:${distro_codename}-security"; // "${distro_id}:${distro_codename}-updates";