MariaDB Enabling MySQL 4-byte support

Hi,

i set up nc server following this how-to:
As I checked the Settings in NC-Admin site NC was complaining about missing MySQL 4-byte support. I followed this how-to to fix it.
This works fine.
But after a restart of mysqld this changes gone and MariaDB is uses the old values.
How can I make changes in MariaDB permanent?

Regards.

Check out that step-by-step instructions: https://www.allerstorfer.at/enabling-mysql-4-byte-support-for-nextcloud-on-ubuntu-18-04/

works!

Many thx