CompTIA Linux+ Exam Prep

What you will be able to do

• Manage Linux systems: boot process, filesystems, packages, and processes
• Configure services, users, groups, and permissions the exam tests
• Apply Linux security: hardening, SELinux/AppArmor, firewalls, and access control
• Automate with shell scripting, cron, and orchestration concepts
• Troubleshoot storage, network, permission, and performance problems methodically
• Pass a timed practice exam against the current XK0-006 objectives

What is inside

5 modules, 20 lessons. Each module ends in a graded quiz.

1. 01

   Managing Linux Systems

   Covers the System Management domain, roughly 23 percent of the exam, from firmware handoff through GRUB2, the kernel, and systemd, then across filesystems, LVM, RAID, package management, and process and resource control. Each lesson teaches the commands the exam actually asks about, the traps that separate close answers, and the reasoning that turns a symptom into the right layer of the stack. Inline checks and a fifteen question domain quiz reinforce every objective area.

   4 lessons · 15 quiz questions

2. 02

   Services, Containers, and User Management

   Covers the Services and User Management domain (about 20 percent of the exam). You will manage users, groups, and permissions; control services with systemd and configure networking; run containers with Docker and Podman; and manage virtual machines and cloud-adjacent provisioning with KVM and cloud-init.

   4 lessons · 15 quiz questions

3. 03

   Securing Linux

   Covers the Security domain (about 18 percent of the exam). You will control identity and authentication with accounts, PAM, and centralized directories; confine processes with SELinux and AppArmor; filter traffic and harden remote access with firewalld, nftables, ufw, and OpenSSH; and apply certificates, encryption, auditing, and hardening baselines to a running system.

   4 lessons · 15 quiz questions

4. 04

   Automation, Orchestration, and Scripting

   Covers the Automation, Orchestration, and Scripting domain (about 17 percent of the exam). You will write defensible bash and Python automation, express server state as code with Ansible and Puppet, and manage that code with git, CI/CD pipelines, and orchestration platforms. Every lesson closes with exam-style checks, and the module ends with a 15 question quiz.

   4 lessons · 15 quiz questions

5. 05

   Troubleshooting Linux Issues

   Covers the CompTIA Linux+ Troubleshooting domain, worth about 22 percent of the exam and the second heaviest scored area after System Management. You will build a repeatable method for boot, storage, network, service, and performance failures, then practice matching each symptom to the one command that actually proves the cause. Every lesson ends with scenario checks written in the symptom-to-tool style the exam questions use.

   4 lessons · 15 quiz questions