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Free IT Cheat Sheets

Download 13 professional quick reference guides — free PDF downloads for Linux, Docker, Git, Python, and more.

13 Cheat Sheets
2 Downloads
100% Free
All Sheets Quick Reference Beginner's Guides Intermediate Guides Advanced Guides
All DEVOPS & INFRASTRUCTURE (16) Linux (13) DATABASES (9) Programming Languages (8) Docker (8) Kubernetes (7) JavaScript (4) PostgreSQL (4) Python (4) PowerShell (3) Azure (Microsoft Azure) (3) SSH & Remote Access (3) AWS (Amazon Web Services) (3) MySQL (3) Bash / Shell (3) NETWORKING & SECURITY (3) Linux Servers (3) Automation (3) CLOUD COMPUTING (2) PROGRAMMING & DEVELOPMENT (2) TypeScript (2) PHP (2) Linux Administration (2) Java (2) Linux Security (2) Web Development (2) Linux Networking (1) Windows (1)
Linux Advanced Guide PDF

Vim Advanced Guide

Expert-level Vim covering Vimscript programming, plugin development and autoload patterns, LSP integration with CoC, adv

0 downloads Free Download
Linux Advanced Guide PDF

Bash Advanced Guide

Expert-level Bash scripting covering nameref variables, coprocesses, advanced signal handling, flock-based locking, job

0 downloads Free Download
Linux Advanced Guide PDF

Nginx Advanced Guide

Expert-level Nginx covering HTTP/3 with QUIC, stream module for TCP/UDP proxying, OpenResty/Lua scripting, advanced cach

0 downloads Free Download
Linux Advanced Guide PDF

SSH Advanced Guide

Expert-level SSH covering certificate-based authentication with CA, bastion host architecture, advanced tunneling patter

0 downloads Free Download
Linux Beginner's Guide PDF

Linux Beginner's Complete Guide

A comprehensive 6-page reference covering everything a Linux beginner needs: file system navigation, file management, pe

0 downloads Free Download
Linux Beginner's Guide PDF

Vim/Nano Beginner's Complete Guide

A comprehensive 5-page terminal editor reference covering Nano basics, Vim modes, navigation, editing, search/replace, v

0 downloads Free Download
Linux Beginner's Guide PDF

Linux File Permissions Beginner's Complete Guide

A comprehensive 5-page Linux permissions reference covering chmod, chown, numeric/symbolic notation, SUID/SGID/sticky bi

0 downloads Free Download
Linux Intermediate Guide PDF

Linux Intermediate Guide

An 8-page deep dive into advanced Linux system administration. Covers advanced find operations, hard/soft links, disk ma

0 downloads Free Download
Linux Intermediate Guide PDF

Vim Intermediate Guide

A 7-page guide to intermediate Vim. Covers text objects, advanced motions, macros, registers, visual block mode, search/

0 downloads Free Download
Linux Advanced Guide PDF

Linux Advanced Guide

Expert-level Linux administration covering kernel parameter tuning (sysctl), namespaces, cgroups v2, eBPF observability

0 downloads Free Download
Linux PDF

Linux File Permissions Cheat Sheet

Complete guide to Unix file permission system. Covers permission basics, groups, numeric/symbolic modes, ownership, spec

0 downloads Free Download
Linux PDF

Vim/Nano Shortcuts Cheat Sheet

Terminal text editor quick reference. Covers Vim modes, navigation, editing, search/replace, file operations, and all es

0 downloads Free Download
Linux PDF

Linux Commands Cheat Sheet

A comprehensive 2-page reference covering essential Linux commands for beginners and intermediate users. Includes file m

0 downloads Free Download

Why Use Our Cheat Sheets?

Professional quick reference guides designed for IT professionals and learners.

📄 Print-Ready PDFs

Compact 1-2 page format perfect for printing and pinning near your workstation.

🎨 Professional Design

Dark theme with orange accents, clear typography, and organized command reference layout.

📚 Linked to eBooks

Each cheat sheet links to related eBooks for deeper learning on the topic.

🔒 100% Free

All cheat sheets are free to download. No hidden costs, no premium tier.

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Frequently Asked Questions

What are Dargslan IT cheat sheets?

Dargslan IT cheat sheets are free, professionally designed PDF reference guides in four tiers: Quick Reference (1-2 pages), Beginner's Guides (3-6 pages), Intermediate Guides (5-10 pages), and Advanced Guides (8-15 pages with expert-level content, architecture patterns, and production strategies).

How many cheat sheets are available?

We currently offer 121 free cheat sheets covering topics like Linux, Docker, Kubernetes, Git, Python, PostgreSQL, PowerShell, and more across four skill levels. New cheat sheets are added regularly.

Are the cheat sheets really free?

Yes, all cheat sheets are completely free to download. We just ask for your email address so we can notify you when new cheat sheets are released.

What is the difference between the four tiers?

Quick Reference sheets are compact 1-2 page PDFs for printing. Beginner's Guides are 3-6 pages for learning from scratch. Intermediate Guides are 5-10 pages with best practices for experienced users. Advanced Guides are 8-15 pages covering expert topics, production architecture, performance tuning, and real-world strategies.

Can I print the cheat sheets?

Absolutely! All PDFs are designed to look great both on screen and when printed. Quick Reference sheets are especially good for printing and keeping near your desk.

How do I download a cheat sheet?

Click on any cheat sheet to view its details, then click the download button. Enter your email address and the PDF will be available for immediate download.