Book Image

Linux Essentials - Second Edition

By : Christine Bresnahan, Richard Blum
Book Image

Linux Essentials - Second Edition

By: Christine Bresnahan, Richard Blum

Overview of this book

Linux Essentials, Second Edition provides a solid foundation of knowledge for anyone considering a career in information technology, for anyone new to the Linux operating system, and for anyone who is preparing to sit for the Linux Essentials Exam. Through this engaging resource, you can access key information in a learning-by-doing style. Hands-on tutorials and end-of-chapter exercises and review questions lead you in both learning and applying new information—information that will help you achieve your goals! With the experience provided in this compelling reference, you can sit down for the Linux Essentials Exam with confidence. An open-source operating system, Linux is a UNIX-based platform that is freely updated by developers. The nature of its development means that Linux is a low-cost and secure alternative to other operating systems, and is used in many different IT environments. Passing the Linux Essentials Exam prepares you to apply your knowledge regarding this operating system within the workforce.
Table of Contents (19 chapters)
17
EULA

CHAPTER 5
Managing Hardware

Although Linux is software, it relies on hardware to operate. The capabilities and limitations of your hardware will influence the capabilities and limitations of Linux running on that hardware. Therefore, you should know these features for any computer that you use extensively or that you plan to buy.

This chapter will help you learn about and perform basic management tasks with your hardware. We begin with low-level issues, such as the nature of your central processing unit (CPU) and motherboard. Often overlooked, the power supply can cause problems if it’s undersized or misbehaves. In addition, hard disks require special care in their setup. A common sticking point in Linux is display issues, since a malfunctioning display prevents any interaction with the computer. Today, most external devices attach via the Universal Serial Bus (USB), so we describe its features. Finally, this chapter covers the common issue of drivers, which are software components...