Practical guides on the tools every DevOps engineer uses. Read free, no sign-up.
Linux
Command line, processes, permissions, networking
Kubernetes
Container orchestration, pods, deployments, services
Docker
Images, containers, Compose, Dockerfile best practices
Terraform
Infrastructure as code, state, modules, providers
GitHub Actions
CI/CD workflows, jobs, secrets, environments
AWS
EC2, S3, IAM, VPC, core cloud services