Bash Scripting Tutorial – Linux Shell Script and Command Line for Beginners

Bash Scripting Tutorial

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

Linux Commands for DevOps Interview Questions

Linux Commands for DevOps Interview Questions

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

How to Delete a File or Directory in Linux – Command to Remove a Folder and its Contents

How to Delete a File or Directory in Linux

In Linux, deleting files or directories is a basic yet essential task that every user should be familiar with. While it may appear simple, there are various methods to remove files or directories, each suited to different scenarios. This tutorial will offer a detailed, step-by-step guide on how to delete files and directories in Linux. … Read more

Python Switch Statement – Switch Case Example

Python Switch Statement

Until Python 3.10, there was no feature equivalent to the switch statement found in other programming languages. As a result, to execute multiple conditional statements, you would have had to use the elif keyword, like this: Starting from Python 3.10, a new feature called “structural pattern matching” was introduced, which functions like the switch statement … Read more

How to Copy a Directory in Linux – Use the cp Command to Copy a Folder

How to Copy a Directory in Linux

There are many situations where you might need to copy a folder in Linux, whether for backup, sharing, or making edits. This is a common task that can be easily handled using the cp command. The cp command is a straightforward yet versatile tool for copying files and directories in Linux. In this guide, we’ll … Read more

How do I undo the most recent local commits in Git?

how do i undo the commits in git 2024

Undo a commit & redo git reset –hard <commit_id> “Move” your HEAD back to the desired commit. Alternatively, to edit the previous commit or just its commit message, use git commit –amend. This will add the changes from the current index to the previous commit. To eliminate (not undo) a commit that has been pushed … Read more

How to Extract or Unzip .tar.gz Files in Linux

How to Extract or Unzip .tar.gz Files in Linux

Introduction A .tar.gz file is a commonly used compressed archive format in Linux environments. It combines multiple files and directories into a single file, reducing their overall size. This format utilizes tar for archiving and gzip for compression. Knowing how to unzip a .tar.gz file is essential as it allows users to efficiently extract and … Read more

How to Save a File in Vi / Vim & Exit

How to Save a File in Vi / Vim & Exit

Introduction Vim (Vi IMproved) is a versatile and open-source text editor designed for Unix and Linux systems. Renowned for its power and stability, Vim excels in text editing and writing, whether you’re using the command-line interface or a graphical user interface (GUI). Begin your journey with Vim by mastering the essential save and exit commands. … Read more

How to Install Deb Files (Packages) on Ubuntu

How to Install Deb Files

Introduction A deb package (.deb file) is a software package format designed for Debian-based distributions, identified by the .deb extension. These packages facilitate the installation of local software on an Ubuntu system. This article outlines multiple methods for installing and removing deb packages on Ubuntu. Prerequisites Install deb Files Using GUI Installing deb files via … Read more