Unattended upgrades Ubuntu 18.04

updates.sh

sudo apt install unattended-upgrades
sudo nano /etc/apt/apt.conf.d/50unattended-upgrades
  "${distro_id}:${distro_codename}-updates";
  "${distro_id}:${distro_codename}-backports";
  ...
  Unattended-Upgrade::Mail "[email protected]";
  Unattended-Upgrade::MailOnlyOnError "false";
  ...
  Unattended-Upgrade::Remove-Unused-Kernel-Packages "true";
  Unattended-Upgrade::Remove-Unused-Dependencies "true";
  Unattended-Upgrade::Automatic-Reboot "true";
  Unattended-Upgrade::Automatic-Reboot-Time "02:00";

sudo apt install mailutils

sudo nano /etc/apt/apt.conf.d/20auto-upgrades
  APT::Periodic::Update-Package-Lists "1";
  APT::Periodic::Download-Upgradeable-Packages "1";
  APT::Periodic::AutocleanInterval "7";
  APT::Periodic::Unattended-Upgrade "1";

sudo unattended-upgrades --debug

cat /var/log/unattended-upgrades/unattended-upgrades.log