DevOps QuickRef
Commands, cheat sheets, troubleshooting guides and interview references for DevOps, Cloud, SRE and Platform Engineers.
Explore by Role
A suggested reading order for four common DevOps-adjacent roles.
DevOps Engineer
The core path from the shell to a full CI/CD-driven Kubernetes deploy.
Cloud Engineer
Networking fundamentals through to resilient, cost-aware AWS architecture.
Site Reliability Engineer
From the OS up to the SLOs and incident process that keep it reliable.
Platform Engineer
Building the golden-path platform that makes every other role faster.
Infrastructure as Code
Provision and manage infrastructure declaratively.
Linux & Shell
Core commands for operating and scripting Linux systems.
Programming & Scripting
Languages and data formats DevOps engineers script and configure with.
Containers
Build, run and orchestrate containerized workloads.
GitOps & CI/CD
Version control and continuous delivery pipelines.
ArgoCD
GitOps & CI/CD
- Login
- Apps
- Sync
- Diff
- Rollback
FluxCD
GitOps & CI/CD
- Bootstrap
- Reconcile
- Sources
- Kustomization
- HelmRelease
Git
GitOps & CI/CD
- Branching
- Commits
- Rebase
- Stash
- Remotes
- Recovery
GitHub Actions
GitOps & CI/CD
- Workflows
- Jobs
- Secrets
- Matrix
- Reusable Workflows
GitLab CI/CD
GitOps & CI/CD
- Stages
- Jobs
- Variables
- Rules
- Caching
Jenkins
GitOps & CI/CD
- Pipeline Syntax
- Stages
- Credentials
- Agents
- Artifacts
AWS
Amazon Web Services CLI and core services.
AWS
AWS
- CLI
- IAM
- EC2
- S3
- VPC
- EKS
AWS CloudWatch
AWS
- Logs
- Metrics
- Alarms
AWS EC2
AWS
- Instances
- Security Groups
- Key Pairs
AWS EKS
AWS
- Access
- Node Groups
- IRSA
AWS IAM
AWS
- Users
- Roles
- Policies
AWS Lambda
AWS
- Invoke
- Deploy
- Logs
AWS S3
AWS
- Buckets
- Objects
- Sync
AWS VPC
AWS
- Subnets
- Routing
- Connectivity
Observability & SRE
Monitoring, alerting and reliability engineering practice.
Networking
Protocols, routing and traffic concepts behind every outage.