Install mariadb
# mysql_install_db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
# chown -R mysql /var/lib/mysql
Start mariadb.service
Answer carefully for the following script
# mysql_secure_installation
Configuration
# mysql -u root -p
Here monty is the username and some_pass is the password
MariaDB> CREATE USER 'monty'@'localhost' IDENTIFIED BY 'some_pass';
MariaDB> GRANT ALL PRIVILEGES ON mydb.* TO 'monty'@'localhost';
MariaDB> FLUSH PRIVILEGES;
MariaDB> quit