OpenStack in on the same path as Linux. In the Linux world, there are many Linux distributions to choose from. Similarly there are now many OpenStack distributions; some are community supported and freely available while most are commercial. Head to the OpenStack Marketplace, https://www.OpenStack.org/marketplace/distros/, for a list of all the tested OpenStack distributions. In this chapter, we will be using the RDO OpenStack distribution.
This freely-available, community-supported distribution of OpenStack runs on Red Hat Enterprise Linux, CentOS, Fedora, and their derivatives. RDO is easy to install, contains the latest OpenStack bits and is supported by a large community that is always there when you need help. RDO is facilitated by Red Hat and available at https://www.rdoproject.org/ for download and use.