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CompTIA Linux+ Certification All-in-One Exam Guide, Second Edition (Exam XK0-005), 2nd Edition

Name: CompTIA Linux+ Certification All-in-One Exam Guide, Second Edition (Exam XK0-005), 2nd Edition
ISBN: 9781264802777

by Ted Jordan, Sandor Strohmayer

May 2023

Intermediate to advanced

800 pages

19h 12m

English

McGraw-Hill

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Cover
Title Page
Copyright Page
Dedication
Contents
Acknowledgments
Introduction
Chapter 1 An Introduction to Linux and a Pre-Assessment Exam
A Brief History of LinuxBatch ProcessingMULTICSUNIXLinuxLinux Operating System StructureKernelOperating System SoftwareApplication SoftwareLinux DistributionsDistribution DifferencesLinux DerivativesCommon Linux ImplementationsLinux on the DesktopLinux on the ServerMobile LinuxLinux and VirtualizationLinux and Cloud ComputingEmbedded LinuxChapter ReviewPre-Assessment TestQuestionsQuick Answer KeyIn-Depth Answer ExplanationsAnalyzing Your Results
Chapter 2 Using the vi Text Editor
The Role and Function of the vi Text EditorEditing Text Files in viOpening Files in viThe vi ModesWorking in Normal ModeWorking in Command-Line ModeExercise 2-1: Using the vi EditorEditing Text Files in nanoCommand KeysConfiguration FilesChapter ReviewQuestionsAnswers
Chapter 3 Working with the Linux Shell
What Is a Shell?Configuring the ShellThe Life of a ProcessManaging VariablesConfiguring AliasesSetting Up the Local EnvironmentLocale SettingsCharacter EncodingAn ASCII PrimerA Unicode PrimerSetting TimeThe date CommandThe /usr/share/zoneinfo/ and /etc/localtime FilesThe hwclock CommandThe timedatectl CommandBash Configuration FilesLogin Script OrderThe source CommandExercise 3-1: Working with Variables, Parameters, and AliasesRedirectionFile DescriptorsRedirect stdin with <Redirect stdout with > and >>Redirect stderr with 2>Combining stdout and stderrSend Data to a Command Using a PipeExercise 3-2: Redirection Hands-on ProjectChapter ReviewQuestionsAnswers

Chapter 4 Managing Linux Users and Groups
Understanding Linux Users and GroupsLinux User AccountsDisplaying User and Group IDsCreating and Managing User Accounts from the Command LineProvisioning New Users with useraddExercise 4-1: Managing User Accounts from the Command LineProvisioning New Workgroups with groupaddExercise 4-2: Managing Groups from the Command LineChapter ReviewQuestionsAnswers
Chapter 5 Managing Linux Files and Directories
Understanding the Filesystem Hierarchy StandardNavigating the Linux FilesystemViewing Directory Contents with lsExercise 5-1: Navigating the FilesystemManaging Linux FilesFiles, Filenames, and InodesCreating and Validating Files with touch and statSoft and Hard LinksCreating New Directories with mkdirDetermining the File TypeViewing File ContentsDeleting FilesCopying and Moving FilesExercise 5-2: Managing Files and DirectoriesFinding Files in the Linux FilesystemUsing find to Search for FilesUsing xargs to Run Commands from Standard InputUsing locate to Find FilesUnderstanding Commands and PrecedenceCreating AliasesCreating and Using FunctionsUsing Builtin CommandsUsing External CommandsExercise 5-3: Finding FilesFinding Content Within FilesUsing grep to Search Within FilesUsing egrep to Search Within FilesExercise 5-4: Using grepChapter ReviewQuestionsAnswers
Chapter 6 Managing Ownership and Permissions
Managing File OwnershipViewing Default File Permissions and OwnershipManaging Ownership from the Command LineExercise 6-1: Managing OwnershipManaging File and Directory PermissionsHow Permissions WorkManaging Permissions from the Command LineExercise 6-2: Managing PermissionsWorking with Default PermissionsWorking with Special PermissionsExercise 6-3: Managing Default and Special PermissionsConfiguring File Attributes and Access Control ListsFile AttributesFile Access Control ListsChapter ReviewQuestionsAnswers
Chapter 7 Managing Storage
An Overview of StorageThe Master Boot RecordThe GUID Partition TableThe Device Naming ConventionsViewing Disk PartitionsCreating PartitionsPartition Considerationsfdisk Partitioning Utilityparted Partitioning Utilitygdisk Partitioning UtilityBlock Device EncryptionCreating FilesystemsAvailable FilesystemsBuilding a FilesystemMounting a FilesystemMounting Filesystems Automatically at BootUnmounting a Partition with umountManaging Linux FilesystemsUsing df to Verify Free Disk SpaceUsing du to Verify Directory UsageReporting Filesystem Status Using dumpe2fsVerifying XFS Filesystems Using xfs_adminChecking the Filesystem IntegrityManaging QuotasEditing /etc/fstab to Set Up QuotasCreating Quota Database FilesAssigning a Quota to Users and GroupsExercise 7-1: Managing Linux PartitionsChapter ReviewQuestionsAnswers
Chapter 8 Configuring Volume Management
Implementing Logical Volume ManagementLVM ComponentsLVM ConfigurationLVM SnapshotsExtending LVMsCreating Archives and Performing CompressionSelecting a Backup MediumSelecting a Backup StrategyLinux Backup and Compression UtilitiesExercise 8-1: Backing Up DataEnabling Redundant Array of Independent DisksConfiguring Software RAIDVerifying RAID StatusExercise 8-2: Configuring RAID and Logical VolumesChapter ReviewQuestionsAnswers
Chapter 9 Managing Linux Processes
Understanding Linux ProcessesTypes of Linux ProgramsUser Processes Versus System ProcessesHow Linux Processes Are LoadedManaging ProcessesStarting System ProcessesViewing Running ProcessesPrioritizing ProcessesManaging Foreground and Background ProcessesEnding a Running ProcessKeeping a Process Running After LogoutExercise 9-1: Working with Linux ProcessesScheduling JobsUsing the at DaemonUsing the cron DaemonExercise 9-2: Scheduling Linux ProcessesUsing systemd timersChapter ReviewQuestionsAnswers
Chapter 10 Managing Linux Applications
Using a Package Manager to Install ApplicationsInstalling Applications on Red Hat with RPMRPM Package Naming ConventionsRPM Command OptionsRPM Application InstallationRPM Application UpgradesRPM Application RemovalRPM Application VerificationRPM Database QueryingRPM Conversion to CPIOExercise 10-1: Practicing Package Manipulation with RPMInstalling RPMs with YUM, DNF, and ZYppThe YUM Package ManagerExercise 10-2: Practicing Package Manipulation with YUMThe DNF Package ManagerThe ZYpp Package ManagerInstalling Applications on Debian with dpkgDebian Package Naming ConventionsManaging Applications with dpkgViewing Application Information with apt-cacheInstalling Applications on Debian with APTTroubleshooting an Application CrashUsing Universal Linux App StoresSnap FundamentalsFlatpak FundamentalsAppImage FundamentalsInstalling Applications from Source CodePreparing the Installation FilesCompiling the ExecutableInstalling the ExecutableExercise 10-3: Building Software from Source CodeUninstalling Software Compiled from Source CodeManaging Shared LibrariesHow Shared Libraries WorkManaging Shared Library DependenciesExercise 10-4: Working with Shared LibrariesChapter ReviewQuestionsAnswers
Chapter 11 Managing the Linux Boot Process
The BIOS POST PhaseThe Classic BIOSThe Modern UEFIThe GRUB2 Bootloader PhaseModify the GRUB2 BootloaderChange a Forgotten root PasswordExercise 11-1: Working with GRUB2The Kernel Initiation PhaseSystem V InitializationThe Linux RunlevelsThe inittab Startup FileShutting Down the SystemThe systemd Initialization Phasesystemd Unit FilesService ProceduresTargetsKernel PanicChapter ReviewQuestionsAnswers
Chapter 12 Managing Hardware Under Linux
Discovering DevicesDisplaying the Kernel Ring Buffer with dmesgDetecting USB Devices with lsusbDetecting PCI Devices with lspciManaging Kernel ModulesExercise 12-1: Working with Kernel ModulesReferencing Kernel and User Space/sys and sysfsudevConfiguring Hardware DeviceslsdevlshwExercise 12-2: Discovering DevicesConfiguring BluetoothClassesBluetooth CommandsConfiguring Wi-FiScanning for Network DevicesConfiguring a Wi-Fi NetworkConfiguring Storage DevicesIDESCSISATAOptical DrivesSolid State DrivesUSBhdparmlsscsiPrinting in LinuxAdding PrintersPrinting to a PrinterManaging Printers and Print QueuesCanceling Print JobslpmoveRemoving a Printer or Printer ClassExercise 12-3: PrintingChapter ReviewQuestionsAnswers
Chapter 13 Writing Shell Scripts
Advanced Shell ConceptsGlobbing Wildcard CharactersSequencing CommandsCommand SubstitutionUnderstanding Shell Script ComponentsDefining the Interpreter with #!Commenting with #Defining VariablesReading User InputUsing Positional ParametersUsing FunctionsUsing Control OperatorsExpression OperatorsTesting with ConditionalsUsing Looping StructuresExercise 13-1: Creating a Basic Shell ScriptProcessing Text StreamsThe tr CommandThe cut CommandThe nl CommandThe od CommandThe sed CommandThe awk CommandThe sort CommandThe split CommandThe head CommandThe tail CommandThe uniq CommandThe wc CommandExercise 13-2: Processing Text StreamsChapter ReviewQuestionsAnswers
Chapter 14 Managing Linux Network Settings
Understanding IP NetworksWhat Is a Protocol?How IPv4 Addresses WorkHow IPv4 Subnet Masks WorkConfiguring Network Addressing ParametersAssigning NIC NomenclatureConfiguring IPv4 ParametersExercise 14-1: Working with Network InterfacesConfiguring Routing ParametersConfiguring Name Resolver SettingsConfiguring IPv6Troubleshooting Network ProblemsUsing a Standardized Troubleshooting ModelUsing pingUsing netstatUsing tracerouteUsing ncUsing Name Resolution ToolsSynchronizing Time on a NetworkExercise 14-2: Working with Network CommandsUnderstanding Network-Based FilesystemsNetwork File System (NFS)SambaChapter ReviewQuestionsAnswers
Chapter 15 Understanding Network Security
Understanding How Encryption WorksSymmetric EncryptionAsymmetric EncryptionIntegrity Checking via HashingImplementing Secured Tunnel NetworksHow SSH WorksConfiguring SSHExercise 15-1: Working with SSHLogging In to SSH Without a PasswordExercise 15-2: Configuring Public Key AuthenticationVirtual Private NetworksConfiguring High-Availability NetworkingNetwork Bridge ControlNetwork BondingUnderstanding Single Sign-OnRADIUSLDAPKerberosTACACS+Defending Against Network AttacksMitigating Network VulnerabilitiesImplementing a Firewall with firewalldExercise 15-3: Implementing Network Security Measures with firewalldImplementing a Firewall with iptablesExercise 15-4: Implementing Network Security Measures with iptablesEncrypting Files with GPGHow GPG WorksUsing GPG to Encrypt FilesUsing GPG to Revoke KeysExercise 15-5: Using GPG to Encrypt FilesChapter ReviewQuestionsAnswers
Chapter 16 Securing Linux
Securing the SystemSecuring the Physical EnvironmentSecuring Access to the Operating SystemControlling User AccessTo Root or Not to Root?Implementing a Strong Password PolicyLocking Accounts After Failed AuthenticationsConfiguring User LimitsDisabling User LoginSecurity Auditing Using findExercise 16-1: Managing User AccessManaging System LogsConfiguring Log FilesUsing Log Files to Troubleshoot ProblemsUsing Log Files to Detect IntrudersEnhancing Group and File SecurityImplementing SELinuxImplementing AppArmorExercise 16-2: Managing SELinux ContextsChapter ReviewQuestionsAnswers
Chapter 17 Applying DevOps: Automation and Orchestration
Orchestration ConceptsOrchestration ProcessesThe Git Revision Control SystemUsing GitCollaborating with GitExercise 17-1: Working with a Git RepositoryChapter ReviewQuestionsAnswers
Chapter 18 Understanding Virtualization and the Cloud
Understanding VirtualizationHypervisorsThin vs. Thick ProvisioningVirtualization File FormatsManaging Virtual Machines with virshVirtual NetworkingBLOB StorageVirtual Machine ShortcomingsUnderstanding ContainersPersistent VolumesContainer Markup LanguagesManaging Containers with Docker and KubernetesGetting Started with DockerDeploying an Existing Container ImageRunning a Container ImageConfiguring Container Persistent StorageRemoving ContainersCluster Management with KubernetesAutomating Installations with KickstartChapter ReviewQuestionsAnswers
Chapter 19 Troubleshooting and Diagnostics
A Standardized Troubleshooting ModelTroubleshooting Computer ProblemsVerify Hardware ConfigurationVerify CPU PerformanceVerify Memory PerformanceExercise 19-1: Working with Swap SpaceValidate Storage PerformanceValidate Other DevicesTroubleshooting Network ProblemsVerify Network PerformanceValidate User ConnectionsValidate the FirewallExercise 19-2: Troubleshooting Networking IssuesChapter ReviewQuestionsAnswers
Chapter 20 Installing and Configuring Linux
Designing a Linux InstallationConducting a Needs AssessmentSelecting a DistributionChecking Hardware CompatibilityVerifying System RequirementsPlanning the FilesystemSelecting Software PackagesIdentifying User AccountsGathering Network InformationSelecting an Installation SourceInstalling LinuxExercise 20-1: Installing a Linux SystemConfiguring the X Window SystemConfiguring the X ServerConfiguring the Display ManagerConfiguring AccessibilityConfiguring Locale SettingsConfiguring Time Zone SettingsConfiguring Printing with CUPSConfiguring CUPSConfiguring E-mailConfiguring SQL DatabasesConfiguring StorageGUID Partition Table ComponentsIDE DrivesLocating a DeviceChapter ReviewQuestionsAnswers
Appendix A Objective Map
Exam XK0-005
Appendix B About the Online Content
System RequirementsYour Total Seminars Training Hub AccountPrivacy NoticeSingle User License Terms and ConditionsTotalTester OnlineOther Book ResourcesPerformance-Based QuestionsVirtual MachinesVideosTechnical Support
Index

Overview

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

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