Where is the MySQL config file in Linux?

On RH systems, MySQL configuration file is located under /etc/my. cnf by default.

How do I check my MySQL database settings?

If you are running a MySQL database server, you might be wondering how to see the current settings for the database. In MySQL they are called variables, and it’s very easy to see the current values. The simplest way is to just use this command from the MySQL prompt, which will show every current configuration setting.