# cheat-sheet

AWS CLI cheat sheet with copy-paste commands for EC2, S3, IAM, Lambda, ECS, CloudFormation, SSM, and Secrets Manager operations.

Git commands cheat sheet for DevOps engineers — branching, rebasing, stashing, bisecting, cherry-picking, and recovery workflows with examples.

Linux networking commands cheat sheet for troubleshooting — interfaces, routing, DNS lookups, connections, iptables firewalls, and tcpdump packet capture.

PromQL cheat sheet with copy-paste query examples for rates, aggregations, histograms, label matching, recording rules, and alerting expressions.

Terraform CLI cheat sheet with commands organized by workflow — init, plan, apply, destroy, state manipulation, imports, and workspace management.

Security headers and configuration reference — copy-paste snippets for Nginx, Kubernetes Ingress, Cloudflare, and Helmet.js.

Essential Docker CLI commands organized by task — build images, run containers, manage volumes and networks, compose services, and debug.

The kubectl quick reference — organized by task with copy-paste ready commands for pods, deployments, services, debugging, and more.