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CentOS High Performance by Gabriel Cánepa

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Chapter 1. Cluster Basics and Installation on CentOS 7

In this chapter, we will introduce the basic principles of clustering and show how to set up two Linux servers as members of a cluster, step by step.

As part of this process, we will install the CentOS 7 Linux distribution from scratch, along with the necessary packages, and finally configure key-based authentication for SSH access from one computer to the other. All commands, except if noted otherwise, must be run as root and are indicated by a leading $ sign throughout this book.

Clustering fundamentals

In computer science, a cluster consists of a group of computers (with each computer referred to as a node or member) that work together so that the set is seen as a single system from the outside. ...

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