CompTIA Linux+ Study Guide: Exam XK0-004, Fourth Edition

  • 18h 5m
  • Christine Bresnahan, Richard Blum
  • Sybex
  • 2019

The bestselling study guide completely updated for the NEW CompTIA Linux+ Exam XK0-004

This is your one-stop resource for complete coverage of Exam XK0-004, covering 100% of all exam objectives. You'll prepare for the exam smarter and faster with Sybex thanks to superior content including, assessment tests that check exam readiness, objective map, real-world scenarios, hands-on exercises, key topic exam essentials, and challenging chapter review questions.

Linux is a UNIX-based operating system originally created by Linus Torvalds with the help of developers around the world. Developed under the GNU General Public License, the source code is free. Because of this Linux is viewed by many organizations and companies as an excellent, low-cost, secure alternative to expensive OSs, such as Microsoft Windows. The CompTIA Linux+ exam tests a candidate's understanding and familiarity with the Linux Kernel. As the Linux server market share continues to grow, so too does demand for qualified and certified Linux administrators.

Building on the popular Sybex Study Guide approach, this book will provide 100% coverage of the NEW Linux+ Exam XK0-004 objectives. The book contains clear and concise information on all Linux administration topic, and includes practical examples and insights drawn from real-world experience.

  • Hardware and System Configuration
  • Systems Operation and Maintenance
  • Security
  • Linux Troubleshooting and Diagnostics
  • Automation and Scripting

You’ll also have access to an online test bank, including a bonus practice exam, electronic flashcards, and a searchable PDF of key terms.

About the Authors

CHRISTINE BRESNAHAN, LINUX+, started working with computers more than 30 years ago as a system administrator. She is an Adjunct Professor at Ivy Tech Community College, where she teaches Linux Essentials, CompTIA Linux+ certification, and Python classes.

RICHARD BLUM, LINUX+, is a 30-year IT industry veteran, as both systems and network administrator for UNIX, Linux, and Microsoft servers. Rich is widely published on Linux and open source software and is an online Linux instructor for universities nationwide.

In this Book

  • Introduction
  • Preparing Your Environment
  • Sifting Through Services
  • Managing Files, Directories, and Text
  • Searching and Analyzing Text
  • Explaining the Boot Process
  • Maintaining System Startup and Services
  • Configuring Network Connections
  • Comparing GUIs
  • Adjusting Localization Options
  • Administering Users and Groups
  • Handling Storage
  • Protecting Files
  • Governing Software
  • Tending Kernel Modules
  • Applying Ownership and Permissions
  • Looking at Access and Authentication Methods
  • Implementing Logging Services
  • Overseeing Linux Firewalls
  • Embracing Best Security Practices
  • Analyzing System Properties and Remediation
  • Optimizing Performance
  • Investigating User Issues
  • Dealing with Linux Devices
  • Troubleshooting Application and Hardware Issues
  • Deploying Bash Scripts
  • Automating Jobs
  • Controlling Versions with Git
  • Understanding Cloud and Virtualization Concepts
  • Inspecting Cloud and Virtualization Services
  • Orchestrating the Environment


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