This is an open source project forked from https://github.com/fluxapps/ViMPCron
First install and enable ViMP.
Start at your ILIAS root directory
mkdir -p Customizing/global/plugins/Services/Cron/CronHook
cd Customizing/global/plugins/Services/Cron/CronHook
git clone https://github.com/DatabayAG/ViMPCron ViMPCronUpdate and activate the plugin in the ILIAS Plugin Administration