Terminal:
256 Colors - Cheat Sheet - Xterm, HEX, RGB, HSL
List of 256 colors for Xterm prompt (console). Contains displayed color, Xterm Name, Xterm Number (ANSI color code), HEX, RGB and HSL color codes.
Cheat sheets
Collection of publications tagged with cheat sheet.
Android Debug Bridge:
adb cheat sheet
Cheat sheet for Android Debug Bridge (adb) commands, covering device management, file operations, logging, shell access, app management, backup, restore, and more.
Linux Package Manager:
APT cheat sheet
APT command cheat sheet for Debian/Ubuntu Linux. Learn to install, remove, update, and manage packages with apt, apt-cache, and repository tools. APT command reference.
Keyboard Bindings:
Ardour cheat sheet
A concise Ardour cheat sheet that lists default keyboard shortcuts and keybindings for the editor, mixer, MIDI, transport, and other windows, organized by context.
Text Processing:
AWK cheat sheet
AWK cheat sheet with essential commands, syntax, variables, and examples for text processing and data extraction. Quick reference guide for using AWK.
Package Manager:
Bundler cheat sheet
Cheat sheet for Bundler, the Ruby gems package manager. Learn how to install gems, manage dependencies, lock versions, and update your Ruby application's libraries.
C* Music Player:
cmus cheat sheet
Comprehensive cheat sheet for using cmus, the console-based music player. Essential commands for navigation, playback, filtering, volume control, and playlist management.
Font Weight Conventions:
CSS font-weight cheat sheet
Understand the CSS font-weight property with this cheat sheet covering numeric values, named keywords, browser support, fallbacks and variable fonts.
Web Design:
CSS: nth-child cheat sheet
The nth-child cheat sheet explains how the CSS :nth-child() pseudo-class targets elements based on their order within a parent, supporting patterns, formulas, and specificity.
CSS Color Scheme:
CSS named colors
Comprehensive guide to all 147 CSS color keywords, including their 142 named colors. List of all CSS Color Module Level 4 named colors. Includes hex, RGB, and HSL values.
Web Design:
CSS selectors & combinators cheat sheet
Cheat sheet for Cascading Style Sheets (CSS) selectors and combinators. Includes specificity score. Many examples of simple, compound and complex selectors.
HTTP Data Transfers:
cURL cheat sheet
cURL cheat sheet and quick reference guide. Includes request types, headers, SSL/TLS, config files, and supported protocols. With many use-case examples.
System Administration:
Dig cheat sheet
Learn how to use the dig command to query DNS records efficiently. This guide covers syntax, options, a list of DNS record types, examples, and detailed explanations of dig output sections.
Searching:
GNU find cheat sheet
GNU find command cheat sheet: Search files by name, type, size, time, permissions, and more. Includes examples for deletion, batch actions, and output formatting.
Package Management:
Flatpak cheat sheet
Flatpak cheat sheet. Comprehensive Flatpak command reference grouped by task. Covers installation, updates, permissions, runtime options, repositories, and troubleshooting.
Version Control:
Git cheat sheet
Git is a version control system used for tracking changes in text files. The cheat sheet contains the most common and useful Git commands to configure and work with Git.
Command Line:
Grep cheat sheet
Cheat sheet with the most common and useful Grep commands. Grep is a command-line utility for searching plain-text data sets for lines that match a regular expression.
Character Encoding:
HTML entities cheat sheet
Complete HTML entity reference list. Includes symbols, arrows, mathematical operators, and special characters in Unicode, hex, decimal, named entity, and CSS codes.
ISO Standards:
ISO 3166-1 country codes
List of ISO 3166-1 alpha-2 and Alpha-3 country codes, along with the corresponding country code top-level domain (ccTLD) and country phone dial code.
ISO Standards:
ISO 639 language names and codes
Complete list of ISO 639 language names (including native names) and their corresponding ISO 639-1 Alpha-2 language codes. For use in e.g. HTML lang and hreflang attribute values.
JSON processing:
jq cheat sheet
A comprehensive jq cheat sheet for using jq with files and pipes, including syntax, arguments, selectors, and key functions like keys, length, flatten, and unique.
Liquid Syntax:
Liquid cheat sheet
A comprehensive Liquid cheat sheet covering syntax, filters, tags, and best practices for dynamic web content and e-commerce - Shopify - development.
Searching the Web:
List of Web search engines
Explore the list of great web search engine alternatives for the Clearnet and Darknet. The list includes information on language support, the crawler, owner and country of origin.
Markdown Syntax:
Markdown cheat sheet
The cheat sheet provides a detailed overview of Markdown syntax, covering text formatting, lists, links, images, code blocks, tables, and advanced features like footnotes and custom HTML.
Node.js Package Manager:
npm cheat sheet
npm cheat sheet with key commands for package management. Covers installation, scripts, dependencies, and publishing in Node.js projects.
Arch Linux:
Pacman cheat sheet
Cheat sheet for Pacman, the Arch Linux package manager. List of common and essential commands and options. Also includes cheats for paccache.
Document Conversion:
Pandoc cheat sheet
Cheat sheet for Pandoc, the versatile document converter, to convert files from one markup format to another. Pandoc commands to apply to your publishing workflows.
Reference Guide to PostgreSQL Commands and Syntax:
PostgreSQL cheat sheet
Comprehensive PostgreSQL cheat sheet for SQL users. Includes commands, options, examples, and descriptions for querying, managing, and modifying PostgreSQL databases.
Transfer and Synchronize Files:
Rsync cheat sheet
A practical cheat sheet to using rsync to transfer and synchronize files and directories using various options and detailed command examples.
Text Manipulation:
Sed (Stream Editor) cheat sheet
GNU sed cheat sheet covering everything from basic syntax to advanced addressing techniques. Learn how to use sed efficiently to manipulate text with examples.
Linux System Administration:
Systemd cheat sheet - systemctl & journalctl
A comprehensive cheat sheet for managing systemd units with systemctl, including commands for enabling, disabling, restarting, inspecting, and listing units.
Command line reference:
GNU tail cheat sheet
Learn how to use the GNU tail command with examples, including following logs, limiting output, printing from specific lines, and handling multiple files.
Terminal Multiplexer:
Tmux cheat sheet
Cheat sheet for the open-source terminal multiplexer tmux. Getting started with tmux. Learn to master tmux with simple commands and shortcuts.
Configuration File Format:
TOML cheat sheet
A concise TOML cheat sheet covering syntax, data types, tables, arrays, comments, and best practices with practical examples for configuration and development use.
Vim Text Editor:
Vim cheat sheet
Vim cheat sheet and reference guide. Also includes shortcuts and commands for NERDTree and Vimium. List of essential Vim commands. Learn Vim.
VLC media player:
VLC cheat sheet: keyboard shortcuts and global hotkeys
Complete list of VLC media player keyboard shortcuts / key commands and how to configure and customize global hotkeys for quick media control.
Command-line Video & Audion Downloading:
yt-dlp cheat sheet
This yt-dlp cheat sheet explains command-line options for downloading video, audio, subtitles, playlists, and livestreams. Contains a yt-dlp command reference table.
Random Quote
“Make errors impossible. Making it impossible for the user to make errors is the best way to eliminate error messages.”
