Certification

Guides and resources to help you prepare for and pass industry-recognized IT and development certifications.

Browse the 1 Certification articles below. Written by Luca Berton — Docker Captain, author of 8 technical books on Ansible, and an AI & Cloud Advisor with 18+ years of enterprise experience — each post covers practical certification techniques, real-world troubleshooting, and production-grade best practices for engineers, SREs, platform teams, and technical leaders.

Whether you are looking for a quick command reference, a deep-dive tutorial, a step-by-step error fix, or strategic guidance, the Certification category aggregates hands-on guides, benchmarks, conference recaps, and architectural insights drawn from real customer engagements and open-source projects. New articles are published regularly — bookmark this page or subscribe to the RSS feed to stay up to date.

Explore related categories: ai, AI, api, Automation, Back-End Development, Books, Books and Community, cloud-security.

Every Certification article on this page is written from first-hand experience — deployed in production, debugged under real constraints, and distilled into clear, reproducible steps. Expect copy-paste-ready commands, annotated configuration, decision frameworks comparing the trade-offs of competing tools, and the context you need to choose the right approach for your environment rather than a one-size-fits-all recipe. The goal is simple: help you ship certification work that is correct, secure, and maintainable.

Recent Certification posts include RHCE Exam 2026: Complete Red Hat Certified. Have a question or a topic you would like covered? Get in touch or connect on the channels linked in the site footer.