The grep command is mainly used to simplify and automate text processing and data extraction tasks.System administrators and developers use grep to search log files for specific entries, find variables and functions within codebases, and identify system-related issues. Learn about grep syntax and usage scenarios through a set of practical examples. Prerequisites What Is grep? grep is … Read more
Introduction Removing a directory in Linux is straightforward with the GUI. However, if the GUI isn’t available, you can also delete directories using terminal commands. This tutorial will guide you on how to remove a directory in Linux using terminal or command line commands. Prerequisites How to Delete a Directory in Linux? Removing Directories with … Read more
Introduction SCP (Secure Copy Protocol) is a network protocol used to securely copy files and folders between Linux (Unix) systems on a network. It utilizes the scp command line utility, which is a more secure alternative to the traditional cp (copy) command. SCP ensures the protection of your data during transfer by encrypting both the … Read more
Introduction The PATH environment variable in Linux tells the system which directories to search for executable files. By using the PATH variable, users can run commands without needing to specify their full paths. This article will guide you on how to add a directory to the PATH, both temporarily and permanently, as well as how … Read more
Linux, the powerful open-source operating system, has revolutionized the world of computing and has become the backbone of many technological infrastructures. As its popularity continues to soar, job seekers in the IT industry must demonstrate their Linux expertise during interviews to secure coveted positions. Whether you’re a seasoned Linux professional or just starting your journey … Read more
Introduction to Linux for DevOps Engineers In today’s fast-paced and dynamic technology landscape, Linux has emerged as a critical element in the world of DevOps. DevOps engineers rely on Linux for its robustness, flexibility, and open-source nature. Linux provides a solid foundation for implementing modern DevOps practices and enables seamless collaboration between development and operations … Read more
In programming, variables are used to temporarily store information such as strings and numbers. Variables can be used multiple times throughout the code or by the operating system to store values. You can modify, overwrite, or delete them as needed. In this tutorial, I’ll explain what environment variables are and show you how to set … Read more
In most network setups, the router’s DHCP server assigns IP addresses dynamically by default. However, if you want your system’s IP address to remain consistent, you can configure it to use a static IP. In this article, we’ll learn how to set a static IP in Ubuntu using two different methods. Static IP addresses are … Read more
Process automation in Linux often relies on shell scripting, where a file containing a sequence of commands is executed as a single script. In this guide, we’ll cover the fundamentals of bash scripting, including variables, commands, input/output, and debugging, with examples provided throughout. Let’s get started. 🚀 Pre-requisites To follow this tutorial, make sure you … Read more
Introduction In the world of DevOps, proficiency in Linux command-line tools is a must-have skill. Whether you are a seasoned DevOps engineer or aspiring to be one, knowing how to leverage Linux commands effectively can significantly enhance your productivity and problem-solving capabilities. In this blog post, we will explore some of the most commonly asked … Read more