Free learning hubs

Learn cloud & DevOps

Deep, no-fluff hubs for the tools employers actually test. Each one gives you a learn-in-order roadmap, the top interview questions with correct answers, a command cheat sheet, and the certifications worth chasing — all free.

Container orchestration

Kubernetes

Orchestrate containers at scale — the backbone of modern cloud-native platforms.

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Public cloud

AWS

The most widely adopted cloud platform — from EC2 and S3 to serverless and beyond.

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Public cloud

Microsoft Azure

Microsoft's enterprise cloud — deeply integrated with identity, Windows, and hybrid.

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Containers

Docker

Package any app into a portable container that runs the same everywhere.

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Infrastructure as Code

Terraform

Provision any cloud with declarative, version-controlled infrastructure as code.

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CI/CD

Jenkins

The battle-tested automation server powering CI/CD pipelines everywhere.

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Operating systems

Linux

The operating system every cloud and DevOps engineer must know cold.

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