CompTIA Linux+ Certification All-In-One Exam Guide, Second Edition (Exam XK0-005).

Format:

Book

Author/Creator:

Jordan, Ted.

Contributor:

Strohmayer, Sandor.

Language:

English

Subjects (All):

Operating systems (Computers)--Examinations--Study guides.

Operating systems (Computers).

Computer networks--Examinations--Study guides.

Computer networks.

Electronic data processing personnel--Certification.

Electronic data processing personnel.

Linux--Examinations--Study guides.

Linux.

Physical Description:

1 online resource (477 pages)

Edition:

2nd ed.

Place of Publication:

Liverpool : McGraw-Hill Education, 2023.

Summary:

This comprehensive study guide delivers 100% coverage of every topic on the challenging CompTIA Linux+ exam Take the newest version of the CompTIA Linux+ exam (Exam XK0-005) with complete confidence using the detailed information contained in this highly effective self-study guide. You will get clear explanations of every topic on the test along with special elements that reinforce and teach practical skills, step-by-step exercises, exam tips, and notes. Written by an expert in the field, the book serves both a powerful exam preparation tool and an ideal on-the-job reference. CompTIA Linux+ Certification All-in-One Exam Guide, Second Edition (Exam XK0-005) offers complete coverage of every topic on the test and features more than 180 accurate practice questions. Videos and a downloadable virtual machine is pre-configured for use with specific exercises in each chapter. Sidebars throughout offer real-world insights and practical applications, and end-of-chapter summaries and review questions aid in retention. Offers complete coverage of all exam objectives for the CompTIA Linux+ certification Contains a coupon for 10% off any CompTIA exam Online content includes 180 practice questions and training videos from the author.

Contents:

Intro

Cover

Title Page

Copyright Page

Dedication

Contents

Acknowledgments

Introduction

Chapter 1 An Introduction to Linux and a Pre-Assessment Exam

A Brief History of Linux

Batch Processing

MULTICS

UNIX

Linux

Linux Operating System Structure

Kernel

Operating System Software

Application Software

Linux Distributions

Distribution Differences

Linux Derivatives

Common Linux Implementations

Linux on the Desktop

Linux on the Server

Mobile Linux

Linux and Virtualization

Linux and Cloud Computing

Embedded Linux

Chapter Review

Pre-Assessment Test

Questions

Quick Answer Key

In-Depth Answer Explanations

Analyzing Your Results

Chapter 2 Using the vi Text Editor

The Role and Function of the vi Text Editor

Editing Text Files in vi

Opening Files in vi

The vi Modes

Working in Normal Mode

Working in Command-Line Mode

Exercise 2-1: Using the vi Editor

Editing Text Files in nano

Command Keys

Configuration Files

Answers

Chapter 3 Working with the Linux Shell

What Is a Shell?

Configuring the Shell

The Life of a Process

Managing Variables

Configuring Aliases

Setting Up the Local Environment

Locale Settings

Character Encoding

An ASCII Primer

A Unicode Primer

Setting Time

The date Command

The /usr/share/zoneinfo/ and /etc/localtime Files

The hwclock Command

The timedatectl Command

Bash Configuration Files

Login Script Order

The source Command

Exercise 3-1: Working with Variables, Parameters, and Aliases

Redirection

File Descriptors

Redirect stdin with &lt

Redirect stdout with &gt

and &gt

&gt

Redirect stderr with 2&gt

Combining stdout and stderr

Send Data to a Command Using a Pipe.

Exercise 3-2: Redirection Hands-on Project

Chapter 4 Managing Linux Users and Groups

Understanding Linux Users and Groups

Linux User Accounts

Displaying User and Group IDs

Creating and Managing User Accounts from the Command Line

Provisioning New Users with useradd

Exercise 4-1: Managing User Accounts from the Command Line

Provisioning New Workgroups with groupadd

Exercise 4-2: Managing Groups from the Command Line

Chapter 5 Managing Linux Files and Directories

Understanding the Filesystem Hierarchy Standard

Navigating the Linux Filesystem

Viewing Directory Contents with ls

Exercise 5-1: Navigating the Filesystem

Managing Linux Files

Files, Filenames, and Inodes

Creating and Validating Files with touch and stat

Soft and Hard Links

Creating New Directories with mkdir

Determining the File Type

Viewing File Contents

Deleting Files

Copying and Moving Files

Exercise 5-2: Managing Files and Directories

Finding Files in the Linux Filesystem

Using find to Search for Files

Using xargs to Run Commands from Standard Input

Using locate to Find Files

Understanding Commands and Precedence

Creating Aliases

Creating and Using Functions

Using Builtin Commands

Using External Commands

Exercise 5-3: Finding Files

Finding Content Within Files

Using grep to Search Within Files

Using egrep to Search Within Files

Exercise 5-4: Using grep

Chapter 6 Managing Ownership and Permissions

Managing File Ownership

Viewing Default File Permissions and Ownership

Managing Ownership from the Command Line

Exercise 6-1: Managing Ownership

Managing File and Directory Permissions

How Permissions Work.

Managing Permissions from the Command Line

Exercise 6-2: Managing Permissions

Working with Default Permissions

Working with Special Permissions

Exercise 6-3: Managing Default and Special Permissions

Configuring File Attributes and Access Control Lists

File Attributes

File Access Control Lists

Chapter 7 Managing Storage

An Overview of Storage

The Master Boot Record

The GUID Partition Table

The Device Naming Conventions

Viewing Disk Partitions

Creating Partitions

Partition Considerations

fdisk Partitioning Utility

parted Partitioning Utility

gdisk Partitioning Utility

Block Device Encryption

Creating Filesystems

Available Filesystems

Building a Filesystem

Mounting a Filesystem

Mounting Filesystems Automatically at Boot

Unmounting a Partition with umount

Managing Linux Filesystems

Using df to Verify Free Disk Space

Using du to Verify Directory Usage

Reporting Filesystem Status Using dumpe2fs

Verifying XFS Filesystems Using xfs_admin

Checking the Filesystem Integrity

Managing Quotas

Editing /etc/fstab to Set Up Quotas

Creating Quota Database Files

Assigning a Quota to Users and Groups

Exercise 7-1: Managing Linux Partitions

Chapter 8 Configuring Volume Management

Implementing Logical Volume Management

LVM Components

LVM Configuration

LVM Snapshots

Extending LVMs

Creating Archives and Performing Compression

Selecting a Backup Medium

Selecting a Backup Strategy

Linux Backup and Compression Utilities

Exercise 8-1: Backing Up Data

Enabling Redundant Array of Independent Disks

Configuring Software RAID

Verifying RAID Status

Exercise 8-2: Configuring RAID and Logical Volumes

Answers.

Chapter 9 Managing Linux Processes

Understanding Linux Processes

Types of Linux Programs

User Processes Versus System Processes

How Linux Processes Are Loaded

Managing Processes

Starting System Processes

Viewing Running Processes

Prioritizing Processes

Managing Foreground and Background Processes

Ending a Running Process

Keeping a Process Running After Logout

Exercise 9-1: Working with Linux Processes

Scheduling Jobs

Using the at Daemon

Using the cron Daemon

Exercise 9-2: Scheduling Linux Processes

Using systemd timers

Chapter 10 Managing Linux Applications

Using a Package Manager to Install Applications

Installing Applications on Red Hat with RPM

RPM Package Naming Conventions

RPM Command Options

RPM Application Installation

RPM Application Upgrades

RPM Application Removal

RPM Application Verification

RPM Database Querying

RPM Conversion to CPIO

Exercise 10-1: Practicing Package Manipulation with RPM

Installing RPMs with YUM, DNF, and ZYpp

The YUM Package Manager

Exercise 10-2: Practicing Package Manipulation with YUM

The DNF Package Manager

The ZYpp Package Manager

Installing Applications on Debian with dpkg

Debian Package Naming Conventions

Managing Applications with dpkg

Viewing Application Information with apt-cache

Installing Applications on Debian with APT

Troubleshooting an Application Crash

Using Universal Linux App Stores

Snap Fundamentals

Flatpak Fundamentals

AppImage Fundamentals

Installing Applications from Source Code

Preparing the Installation Files

Compiling the Executable

Installing the Executable

Exercise 10-3: Building Software from Source Code

Uninstalling Software Compiled from Source Code

Managing Shared Libraries.

How Shared Libraries Work

Managing Shared Library Dependencies

Exercise 10-4: Working with Shared Libraries

Chapter 11 Managing the Linux Boot Process

The BIOS POST Phase

The Classic BIOS

The Modern UEFI

The GRUB2 Bootloader Phase

Modify the GRUB2 Bootloader

Change a Forgotten root Password

Exercise 11-1: Working with GRUB2

The Kernel Initiation Phase

System V Initialization

The Linux Runlevels

The inittab Startup File

Shutting Down the System

The systemd Initialization Phase

systemd Unit Files

Service Procedures

Targets

Kernel Panic

Chapter 12 Managing Hardware Under Linux

Discovering Devices

Displaying the Kernel Ring Buffer with dmesg

Detecting USB Devices with lsusb

Detecting PCI Devices with lspci

Managing Kernel Modules

Exercise 12-1: Working with Kernel Modules

Referencing Kernel and User Space

/sys and sysfs

udev

Configuring Hardware Devices

lsdev

lshw

Exercise 12-2: Discovering Devices

Configuring Bluetooth

Classes

Bluetooth Commands

Configuring Wi-Fi

Scanning for Network Devices

Configuring a Wi-Fi Network

Configuring Storage Devices

IDE

SCSI

SATA

Optical Drives

Solid State Drives

USB

hdparm

lsscsi

Printing in Linux

Adding Printers

Printing to a Printer

Managing Printers and Print Queues

Canceling Print Jobs

lpmove

Removing a Printer or Printer Class

Exercise 12-3: Printing

Chapter 13 Writing Shell Scripts

Advanced Shell Concepts

Globbing Wildcard Characters

Sequencing Commands

Command Substitution

Understanding Shell Script Components

Defining the Interpreter with #!

Commenting with #

Defining Variables.

Reading User Input.

Notes:

Description based on publisher supplied metadata and other sources.

Description based upon print version of record.

Using find to Search for Files

ISBN:

9781264802777

1264802773

OCLC:

1377819109