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CompTIA Linux+ (V8) validates your ability to manage, secure, automate, and troubleshoot Linux systems in cloud and hybrid environments. You will gain hands-on experience with automation, orchestration, security, and containers to prepare for roles like Linux systems administrator, systems engineer, and network engineer.
Linux+ (V8) exam objectives summary
System Management  (23%)
- Linux basics: Identify boot process steps, kernel, filesystems, and architectures.
- Device management: Manage kernel modules, hardware components, and device utilities.
- Storage management: Configure LVM, RAID, partitions, and mounted storage.
- Network configuration: Set up hosts, DNS, interfaces, and network tools.
- Shell operations: Use navigation, editing, redirection, and environment variables.
- Backups and restores: Perform archiving, compression, and data recovery.
- Virtualization: Deploy hypervisors, create VMs, and manage disk images.
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Services and User Management (20%)
- Files & directories: Control permissions, create links, and manage special files.
- Account management: Add, remove, and modify users and groups.
- Process control: Monitor states, adjust priorities, and schedule jobs.
- Software management: Install, update, or remove packages and repositories.
- Systems management: Start, stop, and review services, logs, and timers.
- Containers: Operate container runtimes, manage images, and create networks.
Security (18%)
- Auth & accounting: Configure PAM, LDAP, Kerberos, and enable auditing.
- Firewalls: Set firewalls using iptables, nftables, UFW, and zone rules.
- OS hardening: Apply permissions, configure sudo, and secure remote access.
- Account security: Enforce password policies, restrict shells, and enable MFA.
- Cryptography: Encrypt files, use hashing, and manage certificates.
- Compliance: Verify integrity, run scans, and maintain standards.
Automation, Orchestration, and Scripting (17%)
- Automation: Automate tasks with Ansible, Puppet, and CI/CD tools.
- Shell scripting: Write and troubleshoot variables, functions, and logic flows.
- Python basics: Develop scripts using environments, packages, and data types.
- Version control: Manage code with Git workflows and tagging.
- AI best practices: Apply code generation and prompt engineering responsibly.
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Troubleshooting (22%)
- System monitoring: Monitor health, logs, and event alerts.
- Hardware/storage: Diagnose boot, mount, and repair issues.
- Networking: Resolve firewall, routing, DNS, and connectivity problems.
- Security: Fix SELinux, permission, and vulnerability issues.
- Performance: Analyze CPU, memory, I/O, and optimize response times.
