Understand the default MariaDB Galera configuration

The grant table defines the initial MariaDB Galera user accounts and their access privileges. The default configuration consists of:

• A privileged account with a username of root. The root user has remote access to the database.
• An anonymous user without remote access to the database server. This user can only connect from the local machine and it is only intended for testing.
• A test database only intended for testing.

MariaDB Galera version

In order to see which MariaDB Galera version your system is running, execute the following command:

$ mysqld --version

MariaDB Galera configuration file

The MariaDB Galera configuration file is located at /opt/bitnami/mariadb/conf/my.cnf.

The MariaDB Galera official documentation has more details about how to configure the MariaDB Galera database.

MariaDB Galera port

The default port for MariaDB Galera is 3306.

Also you can notice that MariaDB Galera uses port 4567, but this is a internal used port for cluster syncronization.

MariaDB Galera Process Identification Number

The MariaDB Galera .pid file allows other programs to find out the PID (Process Identification Number) of a running script. Find it at /opt/bitnami/mariadb/tmp/mysqld.pid.

MariaDB Galera log file

The log-error file contains information indicating when MariaDB Galera was started and stopped and also any critical errors that occur while the server is running. If MariaDB Galera notices a table that needs to be automatically checked or repaired, it writes a message to the error log. Find it at /opt/bitnami/mariadb/logs/mysqld.log.