Linux+ Study Guide


Here's the book you need to prepare for CompTIA's Linux+ Exam.

This Sybex Study Guide provides:

  • In-depth coverage of every exam objective--all the information you need to know
  • Practical information on setting up and administering a Linux...
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Here's the book you need to prepare for CompTIA's Linux+ Exam.

This Sybex Study Guide provides:

  • In-depth coverage of every exam objective--all the information you need to know
  • Practical information on setting up and administering a Linux system
  • Hundreds of challenging review questions, in the book and on the CD
  • Leading-edge exam preparation software, including a Linux-based testing engine and electronic flashcards for your Palm
Authoritative coverage of all exam objectives, including:
  • Administering users
  • Connecting to the network
  • Package management
  • Understanding security concepts
  • Shell scripting
  • Networking
  • Administering Apache Web server
  • Installing, updating, and removing drivers
  • Understanding the Linux kernel
  • Managing printing
  • Troubleshooting Linux
The enclosed CD is packed with vital preparation tools and materials, beginning with the custom Sybex testing engine for the Linux+ Exam. We have included a fully-functional Linux-based test engine loaded with hundreds of practice questions, which lets you test yourself chapter by chapter or according to objective areas. You'll also find electronic flashcards for Palm handhelds and two bonus exams that will help you prepare for the test.
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Product Details

  • ISBN-13: 9780782129397
  • Publisher: Sybex, Incorporated
  • Publication date: 9/14/2001
  • Series: Study Guide Series
  • Edition description: Older Edition
  • Pages: 784
  • Product dimensions: 7.97 (w) x 9.39 (h) x 2.08 (d)

Meet the Author

Roderick W. Smith is an experienced Linux administrator and author or co-author of several other books, including Linux System Administration and Linux Samba Server Administration, both from Sybex.
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Read an Excerpt

Chapter 2: Installing Linux

Planning a Linux installation, as described in Chapter 1, "Planning the Implementation," is an important first step toward getting a Linux system up and running. Once you've done this, you can proceed to actually installing Linux, as described here. Many of the details of Linux installation differ from one distribution to another, and covering them all would take an entire book. Therefore, this chapter presents just one distribution's installation procedures: Linux Mandrake 8.0. Other distributions are similar, but differ in many details, such as the order in which you perform certain actions.

One of the trickiest aspects of Linux installation is getting the X Window System, or X for short, up and running. Many installers can do this correctly from the start, but sometimes you may need to modify your X configuration after the fact. Most distributions include one or more X configuration tools to help in the matter, or you can modify the X configuration file manually. Even if X itself is working, various extra tools are required to make X a practical working environment, and you may want to select alternative tools to the ones provided as your distribution's defaults.

Selecting an Installation Method

After you've decided on a distribution, the first choice you must make when installing Linux is what installation method you intend to use. There are two classes of options: the installation media and the method of interaction during installation. In both cases, some distributions offer more or different options than do others, so in truth, your preferences in these matters may influence your distribution choice. For instance, Debian GNU/Linux doesn't support GUI installations, so if you strongly desire this feature, you can't use Debian.

Media Options

Linux can be booted and installed from any of several different mediafloppy disks, CD-ROMs, network connections, and so on. For both booting and installing files, different media offer different advantages and disadvantages.
Boot Method
Linux installer programs run within Linux itself. This means that in order to install Linux, you must be able to boot a small Linux system, which is provided by the distribution maintainer. This system is useful only for installing Linux and sometimes for doing emergency maintenance. It typically fits on one or two floppy disks, or can boot from a bootable CD-ROM.

As described in Chapter 1, modern BIOSes include options for the selection of a boot medium. Typical choices include the floppy disk, CD-ROM drive, EIDE hard disk, SCSI hard disk, and high-capacity removable-media drive (like a Zip or LS-120 disk). In addition, some network cards include BIOSes that allow a computer to boot from files stored on a server. In theory, any of these media can be used to boot a Linux installer. Additionally, some distributions provide a DOS or Windows program that can launch the installation from a working DOS or Windows system.

Although many boot methods are possible, the three most common are as follows:

Floppy Many boxed distributions come with one or more boot floppies. If you configure your BIOS to boot from floppy disks before any other working boot medium, you can insert the boot floppy and turn on the computer to start the installation process. Even if you download Linux or obtain it on a cut-rate CD-ROM without a boot floppy, you can create a boot floppy yourself from a file on the CD-ROM (often called boot. img or something similar), using a DOS program such as RAWRITE. Look for these files and instructions on how to use them on the installation CDROM. The floppy boot method may be necessary if you plan to install from a network server.

CD-ROM Modern Linux distributions almost always come on CD-ROMs or DVDROMs that are themselves bootable. On a computer that's configured to boot from CDROM before other bootable media, you can insert the CD-ROM in the drive, turn on the computer, and the boot program automatically starts up. If you download and burn a Linux CD-R image file, you don't need to take any special steps to make this CD-R bootable. Some older BIOSes don't support CD-ROM boots, in which case you should make boot floppies, as just described.

Existing OS bootstrap Some distributions come with a DOS, Windows, or MacOS program that shuts down that OS and boots up the Linux installer. These programs sometimes run automatically when you insert the Linux CD-ROM in the drive. Using them can be a good way to get started if you plan to install a dual-boot system, or if you plan to replace your current OS with Linux.

Ultimately, the boot method is unimportant, because the same installation programs run no matter what method you choose. Pick the boot method that's most convenient for your hardware and the form of installation medium you've chosen.

Installation Media
The installation medium is the physical form of the source of the Linux files. Linux is very flexible in its installation media. The most common choices include those listed here:
CD-ROM or DVD-ROM If you buy Linux in a store or from an online retailer, chances are you'll get a CD-ROM. In fact, many distributions come on multiple CDROMs. Some companies, like SuSE, have started shipping a DVD-ROM with some of their packages. (DVD-ROMs can store much more data than can CD-ROMs, so a single DVD-ROM is equivalent to multiple CD-ROMs.) CD-ROM installations tend to be quick. Most distribution maintainers offer CD-ROM image files that you can burn to CD-Rs yourself. To find CD-R image files, check,, or or goto your chosen distribution's Web or FTP site.

Network If you have a fast network connection and don't want to be bothered with installation CD-ROMs, you can install many distributions via network connections. Download a boot floppy image, create a floppy disk from it, and boot the installer. Tell it you want to install via the network and point it to a public archive site for the distribution....

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Table of Contents

Assessment Test
Ch. 1 Planning the Implementation 1
Ch. 2 Installing Linux 87
Ch. 3 Software Management 161
Ch. 4 Users and Security 235
Ch. 5 Networking 315
Ch. 6 Managing Files and Services 389
Ch. 7 Managing Partitions and Processes 455
Ch. 8 Hardware Issues 535
Ch. 9 Troubleshooting 605
Glossary 671
Index 705
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  • Anonymous

    Posted February 5, 2002

    nicely written

    I like Sybex books based on how easy the reading is. I can actually read these without passing out on the couch or in front of the computer. I would also recommend getting another book or researching some of the chapters in this book to get the whole picture. I took a transcender test on Linux+ and this book didn't hit hard on some of the questions that I got thrown at me. If you're looking for certification, I do recommend this book as a starter, but I also recommend using linux, and getting familiar with everything in this book before taking the test.

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