CompTIA Linux+ XK0-004 Certification Training - ITU Online

CompTIA Linux+ XK0-004 Certification Training

This exam prep IT course will provide you with the knowledge and skills required to configure, manage, operate, and troubleshoot a Linux environment by using security best practices, scripting, and automation computing models. This online course will teach you critical skills needed and objectives covered in the CompTIA Linux+ certification exam.

Included In This Course

Included In This Course

Total Hours
24 Training Hours
CompTIA Linux+ XK0-004 Certification Training
68 On-demand Videos
Closed Caption

Closed Captions

Course Topics
15  Topics
Prep Questions
101 Prep Questions
CompTIA Linux+ XK0-004 Certification Training

Certificate of Completion

Course Description

Ace your CompTIA Linux+ Certification

CompTIA Linux+ has rapidly become a preferred choice for IT professionals aiming to validate their skills and knowledge in Linux operating systems. Our training provides you with a comprehensive understanding of essential Linux+ concepts, equipping you for the challenges and demands of real-world scenarios.

The CompTIA Linux+ certification showcases your commitment and proficiency, proving to potential employers your expertise in this domain. With our tailored course content, which aligns with the CompTIA Linux+ objectives, you’re ensured a seamless preparation journey. Beyond the core concepts, our training dives deep into the practical applications of Linux+, ensuring you’re ready for both the certification exam and the actual industry tasks.

Wondering about the potential return on investment for this certification? A quick peek at the CompTIA Linux+ salary figures highlights the lucrative opportunities awaiting certified professionals. The competitive salaries and varied job roles available to Linux+ certified professionals are testaments to its industry value.

For those new to Linux or even seasoned professionals, the name CompTIA Linux (or CompTIA Linux + for some) stands for trust, rigor, and mastery. Our Linux+ CompTIA training ensures you’re not just theoretically proficient but also practically skilled. And for those eager to test their knowledge before the final certification exam, we offer a CompTIA Linux+ practice test, providing a realistic assessment environment and immediate feedback.

CompTIA Linux+ XK0-004 Exam Objectives

The CompTIA Linux+ XK0-004 exam is designed to validate the knowledge and skills required to work efficiently and effectively with the Linux operating system. The following are the key exam objectives for the CompTIA Linux+ XK0-004 exam, along with a brief description:

Hardware and System Configuration:

Description: This objective covers the understanding and skills needed to configure, manage, and troubleshoot hardware settings, boot and reboot systems, and configure kernel modules among others.

System Operation and Maintenance:

Description: Candidates will need to demonstrate proficiency in conducting software installations, managing software and services, and using server-side and command-line tools. They will also need to understand and apply automation and scripting, and manage Linux boot processes and services.


Description: This section dives into security best practices in a Linux environment. Topics include configuring and implementing proper authentication and authorization, setting user and group permissions, and using firewalls. Other aspects like understanding and applying cybersecurity best practices, configuring and using SELinux or AppArmor, and malware troubleshooting techniques are also covered.

Linux Troubleshooting and Diagnostics:

Description: A vital component of the exam, candidates should demonstrate the ability to analyze system properties and processes to troubleshoot, diagnose, and rectify Linux system issues. This includes understanding system logs, managing processes, and understanding the core dump.

Automation and Scripting:

Description: Automation is crucial in today’s IT environment. This objective requires the candidates to run and execute basic BASH scripts, use version control using GIT, and automate tasks using awk, sed, and other scripting tools.


Description: Networking is a foundational aspect of IT. This section covers the basics of Linux networking, from understanding and configuring client-side DNS settings to managing network services and troubleshooting network issues.

When preparing for the CompTIA Linux+ XK0-004 exam, it’s essential to thoroughly study and understand each of these objectives. This ensures not only success in the exam but also effectiveness in real-world Linux administration roles.

Key Makeup of Exam XK0-004

  • Up to 90 test questions
  • A combination of multiple-choice, performance-based, and fill-in-the-blank questions.
  • Exam time is 90 minutes
  • A passing score is 720 on a scale of 100-900
  • Testing and official certification are provided by CompTIA.  Click here for testing options.

Potential Career Options With Linux+ Certification

The CompTIA Linux+ certification validates the essential skills and knowledge required to function effectively in a Linux-based environment. Holders of this certification can pursue various job roles in the IT industry. Here are some example job titles and their associated salary estimates. Note that salaries can vary widely based on factors such as geographic location, years of experience, additional qualifications, and company size.

  1. Linux System Administrator
    • Salary Estimate: $50,000 to $80,000 annually.
    • Description: This role involves managing and maintaining Linux-based systems, ensuring uptime, security, and supporting users and applications.
  2. Linux Network Administrator
    • Salary Estimate: $55,000 to $85,000 annually.
    • Description: This role focuses on managing and troubleshooting Linux-based networks, ensuring connectivity, security, and performance.
  3. Linux Support Technician
    • Salary Estimate: $40,000 to $65,000 annually.
    • Description: This role typically provides first-level technical support for Linux-based systems, handling user queries, and resolving basic issues.
  4. DevOps Engineer
    • Salary Estimate: $70,000 to $120,000 annually.
    • Description: While a broader role, many DevOps positions require a deep understanding of Linux, especially when automating workflows, managing infrastructure as code, or handling continuous integration/continuous deployment (CI/CD).
  5. Linux Security Specialist
    • Salary Estimate: $65,000 to $100,000 annually.
    • Description: This role specializes in securing Linux environments, handling everything from intrusion detection to vulnerability management and remediation.
  6. Linux Systems Engineer
    • Salary Estimate: $75,000 to $110,000 annually.
    • Description: This position involves designing and implementing Linux-based solutions, often for larger enterprises or complex projects.

Remember, these are average figures, and they might differ depending on the factors mentioned earlier. Additionally, having other complementary skills or certifications can boost these figures. As the demand for Linux professionals remains strong, CompTIA Linux+ can be a valuable stepping stone towards a promising IT career.

Key Term Knowledge Base: Key Terms Related to CompTIA Linux+ XK0-004 Certification

Understanding key terms is crucial for anyone preparing for the CompTIA Linux+ XK0-004 certification. This certification covers a wide range of topics essential for Linux system administrators, including hardware and system configuration, security, scripting, and troubleshooting. Knowing these terms not only helps in passing the exam but also lays a strong foundation for a career in Linux administration.

LinuxAn open-source operating system based on Unix, known for its stability, security, and flexibility in networking and system administration.
CompTIA Linux+A certification that validates the essential skills and knowledge required for Linux system administrators.
KernelThe core component of a Linux operating system, managing system resources and communication between hardware and software.
ShellA command-line interface used in Linux for executing commands and scripts.
ScriptingWriting scripts (usually in Bash) to automate tasks in Linux.
BASH (Bourne Again SHell)A widely-used command processor in Linux, allowing users to type commands for system actions.
System AdministrationThe management and maintenance of computers, networks, and systems, especially focusing on Linux-based environments for this certification.
NetworkingSetting up, managing, and troubleshooting network connections and services in a Linux environment.
SecurityImplementing and managing security measures in a Linux system, including firewalls, user permissions, and malware detection.
SELinuxSecurity-Enhanced Linux, a set of kernel modifications and tools for enhancing security in Linux.
Hardware ConfigurationThe process of setting up and managing hardware components in a Linux environment.
System Operation and MaintenanceRegular tasks performed by a system administrator to ensure the smooth running of Linux systems.
AutomationThe use of scripts or tools to automate repetitive tasks in a Linux environment.
TroubleshootingIdentifying and resolving issues in a Linux system, including hardware, software, and network problems.
VirtualizationCreating virtual versions of computers, operating systems, storage devices, and network resources.
GitA version control system used for tracking changes in computer files and coordinating work on those files among multiple people.
DNS (Domain Name System)A system that translates domain names (like into IP addresses.
DHCP (Dynamic Host Configuration Protocol)A network management protocol used to dynamically assign IP addresses to devices on a network.
Package ManagementThe process of installing, updating, and removing software packages in a Linux system.
GRUB (GRand Unified Bootloader)A bootloader package designed to support multiple operating systems and allow the user to choose which one to boot.
System LogsFiles that record various system activities, essential for monitoring and troubleshooting.
Kernel ModulesPieces of code that can be loaded into the kernel as needed, extending its capabilities.
Boot ProcessThe sequence of events that a computer goes through when it is turned on, leading up to the operating system being loaded.
File SystemThe method and data structure that an operating system uses to keep track of files on a disk or partition.
Command-Line ToolsPrograms that are used through a text-only interface, typical in Linux environments.

This list forms a foundational vocabulary for anyone interested in mastering Linux system administration, especially in preparation for the CompTIA Linux+ XK0-004 certification.

Frequently Asked Questions About CompTIA Linux+ XK0-004

What does the CompTIA Linux+ XK0-004 course cover?

The course provides knowledge and skills required to configure, manage, operate, and troubleshoot a Linux environment using security best practices, scripting, and automation computing models. It prepares you for the CompTIA Linux+ certification exam.

What is the course structure and how many training hours does it involve?

The course consists of 24 training hours, includes 68 videos and covers 15 topics. It also offers 101 practice questions to help you prepare for the certification exam​.

What is the intended audience for this course?

This course is designed for IT professionals whose primary job responsibility is the administrator/developer of servers and other devices running the Linux operating system. Ideally, a student should have at least nine months of hands-on Linux experience and at least one and a half years of IT experience, most of which should be in systems operations and administration.

What is the format of the CompTIA Linux+ XK0-004 exam?

The exam consists of up to 90 test questions, which include a combination of multiple-choice, performance-based, and fill-in-the-blank questions. The total time for the exam is 90 minutes, and a passing score is 720 on a scale of 100-900​.

Who is the instructor for this course?

The course is instructed by Frank Schmidt, a Linux Subject Matter Expert with over 35 years of IT experience. He has taught the exam preparation course for the CompTIA Linux+ exam and currently holds the Linux+ certification​.

What topics are covered in the course?

The course modules include performing basic Linux tasks, managing users and groups, permissions and ownership, storage, files and directories, kernel modules, the Linux boot process, system components, devices, networking, packages and software, securing Linux systems, working with Bash scripts, automating tasks, and installing Linux.

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Course Outline

CompTIA Linux+ (XK0-004) Course Content

Module 1: Intro & Performing Basic Linux Tasks

  •    Instructor Introduction

  •    Course Introduction

  •    Identify The Linux Design Philosophy

  •    Enter Shell Commands

  •    Shell Commands Activity

  •    Get Help with Linux

Module 2: Managing Users and Groups

  •    Assume Superuser and Groups

  •    Create, Modify, and Delete Users

  •    Create, Modify, and Delete Groups

  •    Query Users and Groups

  •    Configure Account Profiles

Module 3: Managing Permissions and Ownership

  •    Modify File and Directory Permissions

  •    Modify File and Directory Ownership

  •    Configure Special Permissions and Attributes

  •    Troubleshoot Permissions Issues

Module 4: Managing Storage

  •    Create Partitions

  •    Manage Logical Volumes

  •    Mount File Systems

  •    Manage File Systems

  •    Navigate the Linux Directory Structure

  •    Troubleshoot Storage Issues

Module 5: Managing Files and Directories

  •    Create and Edit Text Files

  •    Search for Files

  •    Perform Operations on Files and Directories

  •    Process Text Files

  •    Manipulate File Output

Module 6: Managing Kernel Modules

  •    Explore the Linux Kernel

  •    Install and Configure Kernel Modules

  •    Monitor Kernel Modules

Module 7: Managing the Linux Boot Process

  •    Configure Linux Boot Components

  •    Configure GRUB

Module 8: Managing System Components

  •    Configure Localization Options

  •    Configure GUIs

  •    Manage Services

  •    Troubleshoot Process Issues

  •    Troubleshoot CPU and Memory Issues

Module 9: Managing Devices

  •    Identify the Types of Linux

  •    Configure Devices

  •    Monitor Devices

  •    Troubleshoot Hardware Issues

Module 10: Managing Networking

  •    Identify TCP/IP Fundamentals

  •    Identify Linux Server Roles

  •    Connect to a Network

  •    Configure DHCP and DNS Client Services

  •    Configure Cloud and Virtualization Technologies

  •    Troubleshoot Networking Issues

Module 11: Managing Packages and Software

  •    Identify Package Managers

  •    Manage RPM Packages with YUM

  •    Manage Debian Packages with APT

  •    Configure Repositories

  •    Acquire Software

  •    Build Software from Source Code

  •    Troubleshoot Software Dependency Issues

Module 12: Securing Linux Systems

  •    Implement Cybersecurity Best Practices

  •    Implement Identity and Access Management Methods

  •    Configure SELinux or AppArmor

  •    Configure Firewalls

  •    Implement Logging Services

  •    Back Up, Restore, and Verify Data

Module 13: Working with Bash Scripts

  •    Customize the Bash Shell Environment

  •    Identify Scripting and Programming Fundamentals

  •    Write and Execute a Simple Bash Script

  •    Incorporate Control Statements in Bash Scripts

Module 14: Automating Tasks

  •    Schedule Jobs

  •    Implement Version Control Using Git

  •    Identify Orchestration Concepts

Module 15: Installing Linux

  •    Prepare for Linux Installation

  •    Perform the Installation

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  1. Smooth delivery and easy access to LMS. Good to see that the LMS offers progress tracking. Would be great if badges were offered on completion of courses to share via Credly to future employers.

Your Training Instructor

Frank Schmidt

Frank Schmidt

Linux Subject Matter Expert | Course Author

Frank has over 35 years of IT experience after graduating with honors with a B.S. in Computer Science from the University of Southern Mississippi. After a software development position with Shell Oil, he has worked in IT training and workforce development for over 30 years. Frank has worked with UNIX and Linux operating systems since the 1990s and has taught over 1000 training events during this time. He is also a course author and subject matter expert for the creation of multiple UNIX and Linux classes from the introductory level through advanced system administration. He has taught the exam preparation course for the CompTIA Linux+ exam and currently holds the Linux+ certification.

CompTIA Linux+ XK0-004 Certification Training



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