About
About this site
- Purpose: a free, practitioner-led learning hub for DevOps, SRE, and Platform Engineering.
- Learn deeply: tutorial series connect concepts to worked examples and production trade-offs.
- Review faster: presentation decks condense each course into a widescreen HTML review flow with speaker notes and visuals.
- Find answers quickly: verified cheat sheets cover everyday commands and configuration.
- Test and prepare: quizzes test recall, while interview prep coaches real answers.
- Follow a subject: the topic hub gathers every resource on it in one place.
- Always accessible: no paywall, login, or sponsored placement; see the roadmap for what's next.
About the author
- Mohamed Salah is a Principal DevOps Engineer.
- 10 years in software, including 8+ in DevOps, SRE, and Platform Engineering.
- Designs and operates cloud-native infrastructure for production workloads.
- Works across AWS, Azure, Google Cloud, and Kubernetes.
- Builds landing zones, networks, identity models, and cost-aware platforms.
- Delivers infrastructure as code with Terraform, automation, and GitOps.
- Improves reliability through observability, SLOs, incident response, and runbooks.
- Builds security into delivery through policy, secrets management, and least privilege.
- Explores operational AI agents and reliable context-engineering practices.
- Shares practical knowledge through documentation, mentoring, and this site.
Written with AI agents. The tutorials on this site are drafted and researched using AI coding/writing agents (Claude), then directed, structured and reviewed by Mohamed Salah before publishing — not hand-typed line by line, but not unsupervised either.