// Automaticaly reboot after upgrade
Unattended-Upgrade::Auto-Reboot "true";

// Reboot even with logged in users
Unattended-Upgrade::Automatic-Reboot-WithUsers "true";

// Remove dependencies that become useless after upgrade
Unattended-Upgrade::Remove-New-Unused-Dependencies "true";

// Remove unused dependencies after upgrade
Unattended-Upgrade::Remove-Unused-Dependencies "true";

// Enable logging to syslog
Unattended-Upgrade::SyslogEnable "true";