LINUX+006: CompTIA Linux+ v8 Certification (XK0-006)

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About this Course

This course provides hands‑on, instructor‑led training aligned with the skills measured in the CompTIA Linux+ XK0‑006 exam.  Participants will learn to configure, manage, secure, and troubleshoot Linux systems in modern onprem, cloud, and hybrid environments. Topics include system management, user administration, security hardening, networking, containerization, automation, scripting, and performance troubleshooting.

Audience Profile

  • System Administrators
  • IT Support Specialists
  • Junior DevOps Engineers
  • Cloud or Security Professionals working in Linux environments
  • Individuals preparing for the CompTIA Linux+ certification exam

At Course Completion

Upon completion of this course, participants will be able to:

  • Install, configure, and manage Linux operating systems
  • Administer users, groups, permissions, and storage
  • Configure services, networking, security, and firewalls
  • Troubleshoot system performance, boot processes, and network issues
  • Implement automation, shell scripting, and container technologies
  • Prepare for the CompTIA Linux+ XK0‑006 certification exam

Outline

Module 1: Introduction to Linux

  • What is Linux+ and why it matters
  • Overview of Linux distributions
  • Understanding the Linux architecture
  • Navigating the Linux file system
  • Using the terminal and shell environments

Module 2: Preparing the Linux Environment

  • Setting up a lab or learning space
  • Working with Linux distributions (server & desktop)
  • Installing Linux systems
  • Accessing terminal environments
  • System initialization basics

Module 3: Linux Server Fundamentals

  • What is a Linux server?
  • Local vs. network services
  • Implementing basic service configurations
  • Securing server services
  • Improving server performance

Module 4: File, Directory & Text Management

  • Managing files and directories
  • Linking files (hard & soft links)
  • Viewing, editing, and manipulating text
  • Searching and analyzing text
  • Redirection, pipes, grep, awk, sed
  • Filesystem hierarchy and common directories

Module 5: Boot Process & System Startup

  • The Linux boot process
  • Firmware startup (BIOS/UEFI)
  • Bootloaders (GRUB2)
  • Init systems (systemd, SysVinit)
  • Managing system services
  • System recovery techniques

Module 6: User, Group & Permission Administration

  • Creating and managing users & groups
  • File permissions and ownership
  • Using chmod, chown, and ACLs
  • Password policies and sudoers
  • SSH configuration and remote access best practices

Module 7: Package Management & Logging

  • Using apt, dnf, yum, or zypper depending on distribution
  • Adding and managing software repositories
  • Understanding logs and journaling (journalctl)
  • Locales and environment configuration

Module 8: Networking & Network Services

  • Configuring network interfaces
  • Working with DNS, routing, and hostnames
  • Network troubleshooting tools
  • Managing network services
  • Securing network connections
  • VPN & SSH security considerations

Module 9: Storage & Filesystem Management

  • Partitions and filesystems
  • RAID configuration
  • LVM (Logical Volume Management)
  • Using mdadm
  • Encryption (crypto) and PKI basics
  • Storage troubleshooting

Module 10: Security Hardening

  • SELinux & AppArmor concepts
  • Firewalls & access control
  • PAM configuration
  • Security best practices
  • Logging, auditing, and incident detection

Module 11: Shell Scripting & Automation

  • Working with the Linux shell
  • Writing and debugging Bash scripts
  • Scheduling jobs (cron, systemd timers)
  • Using Git for version control
  • Practical scripting use cases for administration

Module 12: Cloud, Virtualization & Containers

  • Virtualization basics (VMs, KVM, Vagrant)
  • Cloud environment fundamentals
  • Docker container basics
  • Building and managing container images
  • Automation & orchestration fundamentals (Ansible intro)

Module 13: Troubleshooting Linux Systems

  • Troubleshooting methodologies
  • Network troubleshooting
  • Disk & storage troubleshooting
  • CPU & memory diagnostics
  • Service and boot failure troubleshooting
  • Performance tuning and monitoring

Prerequisites

  • Basic IT fundamentals recommended
  • Prior experience with Linux is helpful but not required