Pragmatic Linux Security Auditing: Hands-On Comparison of Lynis, Fail2Ban, and OpenSCAP for Real-World DevOps

References

1. Lynis Official Documentation — cisofy.com/lynis
2. Fail2Ban GitHub Wiki — fail2ban.org
3. OpenSCAP Project Resources — open-scap.org/resources
4. Red Hat Enterprise Linux Security Hardening Guide (2025) — access.redhat.com
5. Chaos Mesh Kubernetes Vulnerabilities CVE-2025-59358 — jfrog.com blog
6. Why AI Governance and Compliance Are the Silent Killers of DevOps Velocity in 2025 — /why-ai-governance-and-compliance-are-the-silent-killers-of-devops-velocity-in-2025/
7. Intelligent Incident Management and Alert Noise Reduction — /intelligent-incident-management-how-pagerduty-aiops-incident-io-ai-and-mabl-are-revolutionising-alert-noise-severity-classification-and-flaky-test-automation/

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Next time you’re wading through endless audit logs with a pounding headache, remember: perfect security doesn’t exist. But a sane, layered defence crafted with smart tools like Lynis, Fail2Ban, and OpenSCAP can keep you out of the headlines — and that’s worth its weight in gold.

Cheers,

The battle-scarred DevOps engineer who’s still fighting another day.