Cluster stack on CentOS Linux

There are endless possibilities and platforms a computer cluster can be installed and configured on and, therefore, also different software building the cluster stack. Since the objectives of this book are to familiarize you with the high-availability cluster running on CentOS Linux, I will present you with the cluster stack software to be used to install and configure a highly available computer cluster on CentOS Linux.

CentOS is a Community Enterprise Operating System. It is a Linux distribution that provides a free enterprise platform. The functionalities of CentOS are compatible with its commercial upstream source: Red Hat Enterprise Linux (RHEL). The current major CentOS version is 7 and was released on July 7, 2014. It offers many changes compared to its predecessor, CentOS version 6. Probably due to this and the fact that CentOS 6 maintenance updates will be supported until November 30, 2020, the majority of CentOS Linux servers still run CentOS version...