Cheatsheet

Jumpstart the Jupyter Notebook productivity with essential shortcuts, magic commands, and workflow tips that will transform your data science and development experience.

Line ending inconsistencies between Windows and Linux systems cause formatting issues, Git warnings, and script failures. This comprehensive guide covers detection, conversion, and prevention strategies.

Tables are one of the most powerful features in Markdown for organizing and presenting structured data. Whether you’re creating technical documentation, README files, or blog posts, understanding how to properly format tables can significantly improve your content’s readability and professionalism.

Flatpak is a next-generation technology for building and distributing desktop applications on Linux, offering universal packaging, sandboxing, and seamless cross-distribution compatibility.

Snap is Canonical’s revolutionary universal package management system that brings containerized applications, automatic updates, and enhanced security to Ubuntu and other Linux distributions.

Ubuntu’s package management system is the backbone of software installation and maintenance, making it essential knowledge for any Linux user or system administrator.

Elasticsearch is a powerful distributed search and analytics engine built on Apache Lucene. This comprehensive cheatsheet covers essential commands, best practices, and quick references for working with Elasticsearch clusters.

Ubuntu’s keyboard shortcuts are essential tools for maximizing productivity and efficiency. Whether you’re a developer, sysadmin, or power user, these shortcuts might speed up your workflow and reduce reliance on the mouse.

Docker Model Runner (DMR) is Docker’s official solution for running AI models locally, introduced in April 2025. This cheatsheet provides a quick reference for all essential commands, configurations, and best practices.

Multipass is a lightweight virtual machine manager that makes it easy to create and manage Ubuntu cloud instances on Linux, Windows, and macOS.

A quick reference for day‑to‑day PostgreSQL work: connections, SQL syntax, psql meta-commands, performance, JSON, window functions, and more.

Here is my concise TypeScript cheatsheet covering key concepts, syntax, and code examples commonly referenced by developers:

Here is an up-to-date GitHub Copilot cheat sheet, covering essential shortcuts, commands, usage tips, and context features for Visual Studio Code and Copilot Chat

GitHub Actions is an automation and CI/CD platform within GitHub, used to build, test, and deploy your code based on events like pushes, pull requests, or on a schedule.

Here is a comprehensive Terraform cheatsheet with essential commands, configuration elements, resource management, modules, variables, state handling, and best practices.

Here’s a Docker Compose cheatsheet with annotated examples to help you master Compose files and commands quickly.