How to allocate more RAM to MariaDB/MySQL on a shared server and increase the connection count
Background If you have a server with sufficient RAM but you are running out of MySQL connections, you might want to look at two easy
mysql-performance
Webmin Webminstats Historical System Statistics module is not logging MySQL queries
Background Upon installation of Webminstats, the MySQL counters are null. Solution Add the root password into the configuration. Reference https://sourceforge.net/p/webminstats/support-requests/43/