Introduction: jq is a powerful command-line tool for processing and manipulating JSON data in Bash. It allows you to extract specific values, filter data, and transform JSON structures. In this guide, we will explore how to pass Bash variables to jq and perform dynamic JSON processing based on the variable
Introduction When using sudo to run a command with administrative privileges in Linux, you may encounter the “Command Not Found” error. This error typically occurs when the command you’re trying to run is not found or not recognized by the system when using sudo. In this article, we’ll explore common
If you’re running low on disk space on a Linux system and need to track down where the space has gone, there are several commands and techniques you can use. In this article, we’ll explore some useful methods to help you identify which files and directories are consuming the most
Introduction When working with the Bash shell in Unix-like systems, you might come across three important configuration files: .bashrc, .bash_profile, and .profile. These files play a crucial role in customizing your shell environment and executing commands at different stages of the shell session. In this article, we’ll explore the differences
Neovim is a highly extensible text editor and a modern fork of the popular Vim editor. It offers improved performance, better terminal integration, and enhanced extensibility. Neovim supports scripting with Lua, which allows for greater customization and flexibility. In this article, we will guide you through the process of setting
Introduction In Linux, the command line interface provides various ways to execute multiple commands sequentially or conditionally. Two commonly used operators for executing multiple commands are && and ;. While both operators allow chaining multiple commands, they have different behaviors and implications. This article aims to clarify the difference between
Introduction GRUB (Grand Unified Bootloader) is a commonly used boot loader in Linux-based systems that allows users to choose the operating system they want to boot into during system startup. By default, GRUB displays a menu with a timeout value, which automatically selects the default option if no user input
Bash is a popular shell and scripting language used in Unix-based systems. When writing bash scripts, you may encounter an error message stating “Unary Operator Expected.” This error typically occurs when using conditional statements or operators incorrectly. In this article, we will explore the causes of the “Unary Operator Expected”
Introduction When working in an offline environment or when dealing with systems that don’t have internet access, installing RPM packages and their dependencies can be a challenge. In this article, we will explore a step-by-step process for performing an offline installation of an RPM package and ensuring that all required
In Linux, you may encounter situations where you need to terminate a specific process based on its command-line arguments. This can be useful when you want to selectively stop processes that match certain criteria. In this article, we’ll explore different methods to kill a process based on its arguments in
