1. Insatll MariaDB on server - 
    #yum install mariadb-server
    OR
    #yum install -y mariadb mariadb-server
   
   2. Restart MariaDB auto run when boot -
   #systemctl start mariadb.service - Restart MariaDB 
   #systemctl enable mariadb.service - Auto run when boot 
   
   3. Check the status of MySQL/MariaDB - 
   #systemctl status mariadb
   
   4. Stop MySQL/MariaDB - 
   #systemctl stop mariadb
   
   5. Check the installation -
   #mysql
   
   Output will be as follow - 
   
   Welcome to the MariaDB monitor. Commands end with ; or \g.
   Your MariaDB connection id is 3
   Server version: 5.5.40-MariaDB MariaDB Server
   
   Copyright © 2000, 2014, Oracle, Monty Program Ab and others.
   
   Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
   
   MariaDB [(none)]>