CompTIA Linux+ proves you have the skills to manage, secure, automate, and troubleshoot Linux systems in cloud and hybrid environments.

With this certification, you gain hands-on experience in automation, orchestration, security, and containers. It prepares you for jobs such as Linux systems administrator, systems engineer, and network engineer.

Linux+ shows employers that you can support and protect the important Linux systems their businesses depend on.

System Management (23%)

• Linux basics: Understand the boot process, the kernel, file systems, and system types.
• Device management: Manage kernel modules, hardware devices, and system tools.
• Storage management: Set up LVM, RAID, disk partitions, and mounted drives.
• Network configuration: Configure hostnames, DNS, network interfaces, and network tools.
• Shell operations: Use commands to move through files, edit content, redirect output, and manage environment variables.
• Backups and restores: Create backups, compress files, and recover lost data.
• Virtualization: Set up hypervisors, create virtual machines, and manage disk images.

Services and User Management (20%)

• Files and directories: Manage file permissions, create links, and handle special files.
• Account management: Add, remove, and update users and groups.
• Process control: Monitor running processes, change priorities, and schedule tasks.
• Software management: Install, update, and remove software packages and repositories.
• System services: Start, stop, and review services, logs, and timers.
• Containers: Use container tools, manage images, and set up container networks.

Security (18%)

• Authentication and accounting: Set up PAM, LDAP, Kerberos, and enable system auditing.
• Firewalls: Configure firewalls using tools like iptables, nftables, and UFW.
• OS hardening: Set permissions, configure sudo access, and secure remote connections.
• Account security: Enforce strong password rules, limit shell access, and enable multi-factor authentication (MFA).
• Cryptography: Encrypt files, use hashing tools, and manage certificates.
• Compliance: Check system integrity, run security scans, and follow required standards.

Automation, Orchestration, and Scripting (17%)

• Automation: Use tools like Ansible, Puppet, and CI/CD platforms to automate tasks.
• Shell scripting: Write and fix scripts using variables, functions, and logic.
• Python basics: Create simple scripts using environments, packages, and data types.
• Version control: Manage code changes with Git and use tagging.
• AI best practices: Use code generation and prompt tools responsibly.
• Get exam-ready—Find training options and explore bundle packages.

Troubleshooting (22%)

• System monitoring: Check system health, review logs, and respond to alerts.
• Hardware and storage: Fix boot problems, mounting issues, and disk errors.
• Networking: Solve firewall, routing, DNS, and connection problems.
• Security: Fix SELinux issues, permission errors, and security weaknesses.
• Performance: Review CPU, memory, and disk use to improve system speed.

Course Level: Advanced

This course is offered in one of two ways:

• Virtual independent study: You complete the course online on your own schedule.
• Virtual independent study on demand: You complete the course online on your own schedule with support from a CompTIA instructor.

This course is delivered through the CompTIA virtual learning platform.

This course is available all year. You can start your course when your enrollment is complete.

When this course is posted on CareerForce, we are required to enter a start date. The date shown on CareerForce is only for the job posting. It is not the date your course starts.

• Complete the course: Within three months of receiving your course materials.
• Take the exam: Within one month after completing the course.
• Retake the exam, if needed: Within two months of your last exam.

Your course materials and exam vouchers have expiration dates. These dates cannot be extended.

You must have at least CompTIA A+–level knowledge before taking this course. This knowledge may come from a CompTIA A+ certification, education, or similar training.

Your certification must be renewed every three years from the date you take the exam.

After you complete the course and pass the exam, we offer career exploration and job support through our MTFS Gather Program.