Introduction

Linux has been increasing in popularity ever since its inception. With the explosive growth of the open-source movement and the viability of what it can do with an alternative operating system, Linux has grown into a mature, stable environment in which to host mission-critical applications and research.

It’s this very nature of Linux and its open-source code that makes it attractive for hobbyists, educators, and research environments. Thousands of programs are available to enhance the user experience and allow the serious administrator to enhance or create his environment with Linux. It’s this flexibility and maturity of the operating system that allows people to easily cluster their Linux machines.

Having two or more machines act in ...

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