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AWS Fundamentals
How AWS accounts, regions, identity, and core services fit together, with a practical CLI and access-denied troubleshooting workflow.
Azure Fundamentals
How Azure management groups, subscriptions, resource groups, and Resource Manager fit together, with practical deployment troubleshooting.
Bash Fundamentals
Bash scripting from variables to functions, plus the quoting and exit-status habits that separate a script that looks right from one that fails safely.
Docker Fundamentals
How images, containers, volumes, and networks fit together in Docker's runtime model, and the shift from installing software to running images.
Git Fundamentals
How Git moves changes through the working tree, index, and history, including safe recovery from conflicts, rewrites, and mistaken commits.
Kubernetes Fundamentals
Learn Kubernetes through Pods, Deployments, Services, probes, resources, rollouts, and an official-docs-based troubleshooting workflow.