This guide and cheat sheet will help your understand command substitution in Bash (and other shells). Be it in the command line or in a script, with command substitution you'll be able to combine commands and their outputs in a very powerful way.
This guide and cheat sheet, explores various techniques and tools for troubleshooting and debugging your Bash scripts. We’ll cover both built-in approaches (like set options and trap) and external resources (shellcheck, logs) to help you quickly identify and fix issues.
This Advanced Bash scripting guide and cheat sheet covers from advanced parameter expansion techniques, process substitution and signal handling to namerefs and indirection, advanced argument parsing, I/O redirection and even parallelization. Take bash scripting to the next level.
While there are many tutorials about Bash scripting on the Internet, this one focuses on presenting the information in a cheat sheet style, so you can jump right into coding without wasting your time. From the very beginning to intermediate and advanced topics.
cURL excels in transferring data between systems or services, especially for API interactions, testing endpoints, and sending or receiving files in custom ways. Its flexibility, combined with support for various protocols and authentication methods, makes it an essential tool in any developer or sysadmin’s toolkit.
From handling cookies and session data to manage SSL certificates, connect to to proxies and using custom headers. These are some of the most advanced Wget use cases.
This cheat sheet covers the majority of daily use cases for Wget. Whether you’re scripting a bulk download, mirroring a site, or retrieving files over HTTP(S) or FTP, these commands should help you handle most scenarios efficiently.
System V is the classic Linux init system, this article is a to-the-point guide and cheatsheet intended to help you quick access to all System V commands, directories and tools.
Systemd is currently the fastest growing Linux and widely adopted service manager and init system. This part guide, part cheatsheet will give you all the commands in a neatly organized fashion so you can master it and become a proficient Linux power user.
This article contains a step-by-step, example project that shows how to create a Git repository from scratch, make the first commit, navigate around the repo, and perform fundamental operations like staging, committing, branching, and merging.
