Blog - GravityDevOps

How to Loop Through an Array in JavaScript – JS Iterate Tutorial

An array is a single variable that holds elements of different data types, allowing them to be accessed using one reference. It is an ordered collection of values, where each…

Saurabh Khan November 23, 2024

Linux DevOps

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

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…

Saurabh Khan November 20, 2024

INTERVIEW QUESTIONS Linux

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…

Saurabh Khan November 20, 2024

Linux

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

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…

Saurabh Khan November 20, 2024

Python

Python Switch Statement – Switch Case Example

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…

Saurabh Khan November 20, 2024

Linux

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

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…

Saurabh Khan November 19, 2024

DevOps

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

Undo a commit & redo $ git commit -m "Something terribly misguided" # (0: Your Accident) $ git reset HEAD~ # (1) [ edit files as necessary ] # (2)…

Saurabh Khan May 24, 2024

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…

Saurabh Khan May 23, 2024

Linux

How to Save a File in Vi / Vim and Exit (:wq, :x, ZZ)

Quick Answer: To save a file in Vi/Vim and exit, press Esc to enter normal mode, then type :wq and press Enter. You can also use :x or ZZ to…

Saurabh Khan May 23, 2024

Linux

How to Install Deb Files (Packages) on Ubuntu

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…

Saurabh Khan May 22, 2024