gistfile1.txt

# Enable the update/upgrade script (0=disable)
APT::Periodic::Enable "1";

# Do "apt-get update" automatically every n-days (0=disable)
APT::Periodic::Update-Package-Lists "1";

# Do "apt-get upgrade --download-only" every n-days (0=disable)
APT::Periodic::Download-Upgradeable-Packages "1";

# Do "apt-get autoclean" every n-days (0=disable)
APT::Periodic::AutocleanInterval "7";

# Run the "unattended-upgrade" security upgrade script
#    every n-days (0=disabled)
APT::Periodic::Unattended-Upgrade "1";