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Mastering Linux Network Administration

You're reading from   Mastering Linux Network Administration Master the skills and techniques that are required to design, deploy, and administer real Linux-based networks

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Product type Paperback
Published in Nov 2015
Publisher Packt
ISBN-13 9781784399597
Length 260 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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Jay LaCroix Jay LaCroix
Author Profile Icon Jay LaCroix
Jay LaCroix
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Table of Contents (12) Chapters Close

Preface 1. Setting up Your Environment FREE CHAPTER 2. Revisiting Linux Network Basics 3. Communicating Between Nodes via SSH 4. Setting up a File Server 5. Monitoring System Resources 6. Configuring Network Services 7. Hosting HTTP Content via Apache 8. Understanding Advanced Networking Concepts 9. Securing Your Network 10. Troubleshooting Network Issues Index

Understanding load average

For a Linux administrator, load average is one of the most important concepts you'll ever learn. While you may know already that this number represents how much load your system is experiencing, it also represents trending performance as well. Using this number, you'll be able to determine whether your system is being overwhelmed or it's recovering and calming down. Essentially, the load average consists of three numbers, each representing the average load of the system over a specific time frame. The first number represents one minute, the second represents five minutes, and the third represents 15 minutes. There are many ways in which you can view your load average, and it will also be displayed in most system monitors available for Linux. One way to view your load average in a snap is to execute the following command:

cat /proc/loadavg
Understanding load average

Viewing the load average

A simpler technique is to use the uptime command. Though the main purpose of the uptime...

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