Unattended-Upgrade::Allowed-Origins { "${distro_id}:${distro_codename}-security"; }; Unattended-Upgrade::Package-Blacklist { }; Unattended-Upgrade::DevRelease "false"; Unattended-Upgrade::Remove-Unused-Kernel-Packages "true"; Unattended-Upgrade::Remove-Unused-Dependencies "true"; Unattended-Upgrade::Automatic-Reboot "false";