Installing common components
There are two common components (database and messaging broker) that are used by most of the OpenStack services. We will see how to install and configure them. These are required before we go ahead and install Keystone. Please note that this will be done only once. If deploying in an enterprise production environment, chances are these components may already be present and could be shared with other applications.
Setting up the database
For our purpose, we will set up MariaDB as the database of our choice. MariaDB is a community-driven fork from MySQL. This happened just around the time when Oracle took over MySQL.
We will be using MariaDB, but MySQL can be also used with little to no modification and this is true for ...
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