Overview

Learn, prepare, and practice for CompTIA Linux+ XK0-005 exam success with this Cert Guide from Pearson IT Certification, a leader in IT Certification learning.   CompTIA® Linux+ XK0-005 Cert Guide from Pearson IT Certification helps you prepare to succeed on the CompTIA® Linux+ exam by directly addressing the exam's objectives as stated by CompTIA®. Leading instructor and expert Ross Brunson shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. This complete study package includes Complete coverage of the exam objectives and a test-preparation routine designed to help you pass the exams Do I Know This Already? quizzes, which allow you to decide how much time you need to spend on each section Chapter-ending Key Topic tables, which help you drill on key concepts you must know thoroughly The powerful Pearson Test Prep Practice Test software, complete with hundreds of well-reviewed, exam-realistic questions, customization options, and detailed performance reports An online, interactive Flash Cards application to help you drill on Key Terms by chapter A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies Study plan suggestions and templates to help you organize and optimize your study time Well regarded for its level of detail, study plans, assessment features, and challenging review questions and exercises, this study guide helps you master the concepts and techniques that ensure your exam success. This study guide helps you master all the topics on the Linux+ XK0-005 exam, deepening your knowledge of: System Management: Linux fundamentals; file management; storage configuration and management; networking tools; configuration files; software installation; software configuration Security: Security best practices; firewall implementation and configuration; remote connectivity configuration and execution; access controls Scripting, Containers, and Automation: Shell script creation; container operations; version control Troubleshooting: Storage issues; network resource issues; CPU and memory issues; user access and file permissions

Full Product Details

Author:   Ross Brunson
Publisher:   Pearson Education (US)
Imprint:   Pearson IT Certification
ISBN:  

9780137866885

ISBN 10:   0137866887
Pages:   896
Publication Date:   07 April 2024
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

            Introduction xliii Part I: System Management (Obj. 1.1 - 1.7) Chapter 1 Understanding Linux Fundamentals 3             “Do I Know This Already?” Quiz 3             Foundation Topics 6             Filesystem Hierarchy Standard 6             Basic Boot Process 8             Boot Loaders and Files 14             When Kernels Panic 22             Device Types in /dev 23             Installing Software from Source 24             Storage Concepts 28             Listing Your Hardware Info 35             Summary 38             Exam Preparation Tasks 39             Review All Key Topics 39             Define Key Terms 40             Review Questions 40 Chapter 2 Managing Files and Directories 43             “Do I Know This Already?” Quiz 43             Foundation Topics 46             File and Directory Operations 46             File Metadata and File Types 57             Soft and Hard Links 60             File Compression, Archiving, and Backup 63             Copying Objects Between Systems 78             File Editing 82             Feeling a Bit (awk)ward 92             The printf Function 94             Summary 95             Exam Preparation Tasks 96             Review All Key Topics 96             Define Key Terms 97             Review Questions 97 Chapter 3 Configuring and Managing Storage 101             “Do I Know This Already?” Quiz 101             Foundation Topics 104             Determining Storage Hardware 104             Performing Disk Partitioning 108             Inspecting and Managing Software RAID 114             Using Logical Volume Manager (LVM) 114             Mounting Local and Remote Devices 118             Monitoring Storage Space and Disk Usage 123             Filesystem Management 126             Storage Area Networks/Network-Attached Storage 131             Summary 134             Exam Preparation Tasks 135             Review All Key Topics 135             Define Key Terms 136             Review Questions 136 Chapter 4 Managing Processes and Services 139             “Do I Know This Already?” Quiz 139             Foundation Topics 142             Managing Processes 142             systemd 159             Scheduling Services 170             Summary 180             Exam Preparation Tasks 181             Review All Key Topics 181             Define Key Terms 182             Review Questions 182 Chapter 5 Using Network Tools and Configuration Files 185             “Do I Know This Already?” Quiz 186             Foundation Topics 188             Interface Management 188             Name Resolution 199             Network Monitoring 207             Remote Networking Tools 217             Summary 221             Exam Preparation Tasks 222             Review All Key Topics 222             Define Key Terms 223             Review Questions 223 Chapter 6 Building and Installing Software 225             “Do I Know This Already?” Quiz 226             Foundation Topics 228             Package Management 228             Sandboxed Applications 268             System Updates 270             Summary 275             Exam Preparation Tasks 276             Review All Key Topics 276             Define Key Terms 277 Chapter 7 Managing Software Configurations 281             “Do I Know This Already?” Quiz 281             Foundation Topics 283             Updating Configuration Files 283             Configuring Kernel Options 289             Configuring Common System Services 300             Representing Locales 304             Summary 315             Exam Preparation Tasks 316             Review All Key Topics 316             Define Key Terms 317             Review Questions 317 Part II: Security (Obj. 2.1 - 2.5) Chapter 8 Understanding Linux Security Best Practices 321             “Do I Know This Already?” Quiz 321             Foundation Topics 323             Public Key Infrastructure 323             Certificate Use Cases 325             Authentication 326             Linux Hardening 333             Summary 348             Exam Preparation Tasks 349             Review All Key Topics 349             Define Key Terms 350             Review Questions 350 Chapter 9 Implementing Identity Management 353             “Do I Know This Already?” Quiz 353             Foundation Topics 355             Account Creation and Deletion 355             Summary 374             Exam Preparation Tasks 375             Review All Key Topics 375             Define Key Terms 375             Review Questions 376 Chapter 10 Implementing and Configuring Firewalls 379             “Do I Know This Already?” Quiz 379             Foundation Topics 382             Common Firewall Technologies 382             Understanding iptables 385             Additional Firewall Technologies 398             Summary 400             Exam Preparation Tasks 401             Review All Key Topics 401             Define Key Terms 401             Review Questions 402 Chapter 11 Using Remote Connectivity for System Management 405             “Do I Know This Already?” Quiz 405             Foundation Topics 408             SSH (Secure Shell) 408             Executing Commands as Another User 416             Summary 421             Exam Preparation Tasks 422             Review All Key Topics 422             Define Key Terms 423             Review Questions 423 Chapter 12 Understanding and Applying Access Controls 427             “Do I Know This Already?” Quiz 427             Foundation Topics 429             File Permissions 429             File and Directory Ownership 434             Understanding and Using umask 437             Permission Granularity Issues 437             Finding Files by Permission 444             Access Control Lists 445             Context-Based Access 448             Command-Line Utilities 457             Summary 457             Exam Preparation Tasks 458             Review All Key Topics 458             Define Key Terms 458             Review Questions 459 Part III: Scripting, Containers and Automation (Obj. 3.1 - 3.5) Chapter 13 Automating Tasks via Shell Scripting 463             “Do I Know This Already?” Quiz 463             Foundation Topics 466             Shell Script Elements 466             Environment Variables and Settings 469             Working with Input/Output Streams 475             Shell Script Elements 487             Summary 517             Exam Preparation Tasks 518             Review All Key Topics 518             Define Key Terms 519             Review Questions 519 Chapter 14 Performing Basic Container Operations 523             “Do I Know This Already?” Quiz 523             Foundation Topics 525             Container Management 525             Container Image Operations 533             Summary 534             Exam Preparation Tasks 535             Review All Key Topics 535             Define Key Terms 535             Review Questions 536 Chapter 15 Performing Basic Version Control Using Git 539             “Do I Know This Already?” Quiz 539             Foundation Topics 541             Version Control Concepts 541             Using Git for Version Control 546             Summary 568             Exam Preparation Tasks 569             Review All Key Topics 569             Define Key Terms 569             Review Questions 570 Chapter 16 Understanding Infrastructure as Code 573             “Do I Know This Already?” Quiz 573             Foundation Topics 576             File Formats 576             Infrastructure as Code Concepts 579             Continuous Integration/Continuous Deployment 588             Advanced Git Topics 590             Summary 591             Exam Preparation Tasks 592             Review All Key Topics 592             Define Key Terms 593             Review Questions 593 Chapter 17 Understanding Containers, Cloud, and Orchestration 597             “Do I Know This Already?” Quiz 597             Foundation Topics 600             Kubernetes Benefits and Application Use Cases 600             Single-Node Multicontainer Use Cases 604             Container Persistent Storage 605             Container Networks 608             Service Mesh 611             Bootstrapping 612             Container Registries 613             Summary 614             Exam Preparation Tasks 615             Review All Key Topics 615             Define Key Terms 616             Review Questions 616 Part IV: Troubleshooting (Obj. 4.1 - 4.5) Chapter 18 Analyzing and Troubleshooting Storage Issues 619             “Do I Know This Already?” Quiz 619             Foundation Topics 623             High Latency Issues 623             Low Throughput Issues 627             Input/Output Operations per Second Scenarios 631             Capacity Issues 633             Filesystem Issues 638             I/O Scheduler Issues 643             Device Issues 647             LVM Issues 656             Mount Option Issues 659             Exam Preparation Tasks 663             Review All Key Topics 663             Define Key Terms 664             Review Questions 664 Chapter 19 Analyzing and Troubleshooting Network Resource Issues 667             “Do I Know This Already?” Quiz 667             Foundation Topics 670             Network Configuration Issues 670             Firewall Issues 674             Interface Errors 679             Bandwidth Limitations 686             Name Resolution Issues 687             Testing Remote Systems 689             Summary 696             Exam Preparation Tasks 697             Review All Key Topics 697             Define Key Terms 698             Review Questions 698 Chapter 20 Analyzing and Troubleshooting CPU and Memory Issues 701             “Do I Know This Already?” Quiz 701             Foundation Topics 704             Runaway and Zombie Processes 704             High CPU Utilization/Load Average/Run Queues 707             CPU Times and CPU Process Priorities 711             Memory Exhaustion and Out of Memory 713             Swapping 717             Hardware 719             Summary 720             Exam Preparation Tasks 721             Review All Key Topics 721             Define Key Terms 721             Review Questions 721 Chapter 21 Analyzing and Troubleshooting User and File Permissions 725             “Do I Know This Already?” Quiz 725             Foundation Topics 728             User Login Issues 728             User File Access Issues 731             Password Issues 735             Privilege Elevation Issues 736             Quota Issues 736             Summary 738             Exam Preparation Tasks 739             Review All Key Topics 739             Define Key Terms 739             Review Questions 739 Chapter 22 Analyzing and Troubleshooting Common Problems Using Systemd 743             “Do I Know This Already?” Quiz 743             Foundation Topics 745             Unit Files 745             Common Problems 756             Summary 761             Exam Preparation Tasks 762             Review All Key Topics 762             Define Key Terms 762             Review Questions 763 Chapter 23 Final Preparation 765             Exam Information 765             Getting Ready 767             Tools for Final Preparation 768             Suggested Plan for Final Review/Study 772             Summary 772 Appendix A Answers to the “Do I Know This Already?” Quizzes and Review Questions 773 Glossary 790   Online Elements: Appendix B Study Planner 9780137866885, TOC, 10/3/23

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Author Information

Ross Brunson has more than 30 years of experience as a Linux and open-source trainer, training manager, and certification architect, and is the author of the nowclassic LPIC-1 Exam Cram 2, several iterations of the CompTIA Linux+ Cert Guide, and dozens of technical courses for major organizations.   Ross is currently the Education Architect at Grafana Labs (www.grafana.com), where he focuses on building a learning framework and training offerings that help employees and customers make the best use of Grafana to observe, troubleshoot, and maintain their environments.   Previously, Ross was a Senior Technical Training Engineer for NGINX, where he completely redid the Fundamentals learning track, authored a number of Getting Started guides, and taught a number of customer engagements to help new NGINX customers take full advantage of the platform.   Before NGINX, Ross enjoyed a few years at Linux Academy/A Cloud Guru where as a Senior Training Architect, he authored the SUSE Certified Administrator and Engineer courses, did the Red Hat Certified System Administrator Labs, created many additional courses on systemd, VIM and the screen command, and wrote and reviewed way too many exam questions.   Ross has also put in a tour of duty as the Certification Architect at SUSE, where he helped redesign and modernize the entire certification program. He has also spent five years as the Director of Member Services for the Linux Professional Institute, where he contributed to placing several LPI courses into the Cisco Networking Academy, conducted dozens of train-the-trainer sessions, and provided sales enablement support for the worldwide Master Affiliate network, spanning more than 100 countries and nearly a million certified professionals.   Ross holds a number of key IT certifications and is author of several successful technical books and dozens of technical courses for major organizations (including the first U.S. LPI Certification Bootcamps). He is skilled at both contributing to and building community around IT products.   Ross lives in Paradise Valley, Montana, with his family and enjoys traveling far and wide, participating in hiking, winter sports, photography, and playing the drums with great vigor (although not everyone around him appreciates it).

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