CompTIA Linux+

CompTIA Linux+ (XK0-005) is the only vendor-neutral Linux certification approved by the Linux Foundation. It validates essential Linux administration skills across distributions including RHEL, Ubuntu, Debian, and SUSE. The exam is performance-based and validates real-world skills in system administration, scripting, security, and troubleshooting — making it ideal for professionals working with Linux in enterprise, cloud, and DevOps environments.

Request Training Email Inquiry

What is CompTIA Linux+?

Who Should Take This Course?

Linux system administrators and engineers
DevOps and cloud engineers working with Linux infrastructure
IT professionals managing enterprise Linux servers
Developers working in Linux-based environments
Professionals preparing for Red Hat RHCSA/RHCE
Anyone managing containerised workloads on Linux

What You Will Learn in the XK0-005 Course

A comprehensive curriculum covering all exam objectives with hands-on labs and real-world practice.

System Management

Install, configure, and manage Linux systems.

Linux installation and package management: apt, yum, dnf, rpm
Filesystem hierarchy and disk management: LVM, partitioning
Process management: systemd, cron, ps, top, kill
User and group administration and sudo configuration

Security

Implement Linux security controls and hardening.

File permissions: chmod, chown, ACLs, and special permissions
SELinux and AppArmor mandatory access controls
SSH hardening, key-based authentication, and firewall (iptables/nftables/firewalld)
Audit logging and intrusion detection (Fail2Ban, AIDE)

Scripting, Containers, and Automation

Automate tasks and manage containers with scripting.

Bash scripting: variables, loops, conditionals, functions
Python scripting for system administration tasks
Container management: Docker commands, images, volumes
Kubernetes basics: pods, deployments, services

Troubleshooting

Diagnose and resolve Linux system issues.

Boot process troubleshooting: GRUB, systemd targets
Filesystem and disk troubleshooting: fsck, df, du
Network troubleshooting: ip, ss, netstat, tcpdump
Log analysis: journalctl, /var/log, rsyslog

Course Prerequisites

Pre-requisites training is free when you purchase the course from ProSupport

CompTIA A+ or Network+ recommended
12 months of Linux administration experience recommended
Familiarity with the command line and basic scripting

Exam Information

Everything you need to know about the XK0-005 certification exam.

Exam Component	Details
Exam Name	CompTIA Linux+
Exam Code	XK0-005
Exam Type	Multiple Choice and Performance-Based Questions (PBQs)
Total Questions	Maximum 90 questions
Passing Score	720 (out of 900)
Exam Duration	90 minutes
Language	English
Exam Provider	Pearson VUE (in-person or online proctored)
Exam Focus	Linux system management, security, scripting, containers, and troubleshooting
Exam Registration	CompTIA Store or Pearson VUE
Retake Policy	No waiting period for 1st retake; 14 days for subsequent retakes
Certification Validity	3 years (30 CEUs required for renewal)