Upgrading MariaDB on CentOS 7 is a simple task as it's a drop-in replacement for MySQL, by default CentOS 7 ships with MariaDB 5.5.
In this tutorial I will be running through the upgrade process as the root user with the asumtion this is a new install, this will also be aplicable for exising insta...
When looking at setting up a cluster there are many ways to do this but when using MariaDB and Galera this is a simple task and can be completed within a very short space of time.
Here I will show how to setup a cluster with 2 nodes ideally you will want 3+ in a production environment (depending o...