Issue my.cnf empty

[Inma]

I woke up and this server had the my.cnf empty... I have replaced it from another one that I had... and fixed the problems that I had...
Any suggestions? Thanks

SO
Debian 10.13
Producto
Plesk Obsidian
Versión 18.0.59 Actualización 2, última actualización el 13/Mar/2024 11:46

mysql -V
mysql Ver 15.1 Distrib 10.11.7-MariaDB, for debian-linux-gnu (x86_64) using readline 5.2