Welcome to Cloud Fundamentals — a professional knowledge base created by Wahba Mousa, Senior DevOps Engineer with 10+ years of enterprise experience. This repository distills the core principles of cloud computing, DevOps, and modern IT infrastructure into structured, real-world concepts.
- 🔄 Difference Between DevOps & Cloud
- 💸 CAPEX vs OPEX Financial Models
- 🏢 On-Prem vs Dedicated Cloud Deployments
- 📊 Over-Subscription Ratios Explained
- 🌐 Networking: CIDR, Subnetting, Classes (A/B/C)
- 🚀 CI/CD, Modern Rollbacks, Agile Integration
- 🧱 Cloud Infrastructure Layers (Regions, AZs, LZs)
- 🔐 VPN vs Direct Connect vs AWS Outposts
- 🧭 Cloud Service Providers Comparison (AWS, Azure, GCP)
- 🛠️ Tools: IAM, Monitoring, IaC, Middleware, GPU Usage
This project helps:
- 🎯 Junior engineers build strong foundations
- 👨💼 DevOps professionals explain concepts during interviews
- 🏗️ Architects and team leads onboard new team members faster
- 🧑🎓 Students learn real-world cloud & DevOps at production scale
Knowledge is power. Organized knowledge is professional power. — Principal Wahba 💼