How to change the max_connections setting when its setting in my.cnf is ignored?

Question

MySQL

I enter my own value for the max_connections parameter in my.cnf, but after the service is restarted, the "default" value is set - ~ 200.
OS: CentOS 7.
my.cnf is in: /etc/my.cnf VestaCP is installed

on the server, even changing it through its editor - the data is ignored.

MariaDB settings editor in Vesta

If you change it via an SQL command, everything works, but this only has an effect until the server is rebooted:
set global max_connections = 550;

I assume that there may be a local settings file for the database that overrides the global one, but searching through locate did not give any results.

Answer 1

I defined the setting in the file: /etc/my.cnf.d/server.cnf, rebooted the database server and it worked.

Answer 2

do you have ssh access?
then you can look at
ps -ef|grep mysql
for more options
web.archive.org/web/20161017030124/https://www.psc...