Keep it within reach.
One page of the commands and snippets that matter for every path: searchable, copy with one click, and tidy when printed or saved as a PDF.
17 cheatsheets
- Cheatsheet Linux Fundamentals The shell commands you reach for every day: moving around, files, text, permissions, processes and pipes. 7 sections · 58 commands
- Cheatsheet Git Basics The Git commands you use daily: record changes, look at history, branch and merge, share with a remote, and undo mistakes. 7 sections · 43 commands
- Cheatsheet AWS Cloud Practitioner The ideas and services the Cloud Practitioner exam and everyday AWS talk are built on, plus the first CLI commands. 7 sections · 38 commands
- Cheatsheet AWS The AWS CLI commands for identity, storage, servers, networks, databases and clean-up, with the options you forget. 7 sections · 36 commands
- Cheatsheet AWS Serverless Lambda, DynamoDB and the pieces around them from the CLI: create and call functions, read logs, model and query a table. 6 sections · 30 commands
- Cheatsheet Docker The Docker commands and Dockerfile lines for images, containers, storage, networks and Compose. 7 sections · 47 commands
- Cheatsheet AWS Solutions Architect Associate Architecture rules of thumb for the Solutions Architect Associate exam: which service fits which problem. 7 sections · 42 commands
- Cheatsheet Networking The tools, numbers and records you need to find out why two machines cannot talk. 7 sections · 41 commands
- Cheatsheet Node.js Node.js and npm for scripts and small servers: running code, modules, files, HTTP, async code and packages. 6 sections · 31 commands
- Cheatsheet Python Python for scripts and automation: the environment, text and files, data structures, errors and the standard library you use most. 6 sections · 33 commands
- Cheatsheet CI/CD with GitHub Actions Workflow files for GitHub Actions: triggers, jobs, steps, secrets, caching, matrices and reuse. 6 sections · 29 commands
- Cheatsheet Web Servers and Proxies nginx configuration and the commands around it: serve files, proxy to an app, balance load, cache, compress and add HTTPS. 7 sections · 32 commands
- Cheatsheet Infrastructure as Code Terraform, Ansible and CloudFormation side by side: the commands and the file shapes you use again and again. 6 sections · 40 commands
- Cheatsheet Jenkins Declarative Pipeline syntax for a Jenkinsfile: stages, steps, parameters, credentials, conditions, parallel work and post actions. 6 sections · 28 commands
- Cheatsheet AI Agents What an agent is made of, how to write its tools, how to run it, and how to read what it did. 5 sections · 23 commands
- Cheatsheet Kubernetes kubectl commands and the manifest shapes you write most: inspect, change, debug, expose and package workloads. 6 sections · 40 commands
- Cheatsheet Monitoring and Logging Metrics, alerts, logs and traces: PromQL, rule files, the log commands you reach for, and the SLO arithmetic. 6 sections · 38 commands