Linux - GravityDevOps

Searching Files & Directories: find, locate, grep

Searching for files and directories in Linux is an essential skill, whether you're an administrator, developer, or casual user. Linux provides powerful tools like find, locate, and grep to help…

Saurabh Khan March 1, 2025

Linux

Complete Tutorial on File Editors: nano, vi, and vim

Text editors are essential tools in the Linux command-line environment for editing configuration files, writing scripts, and managing documents. Among the most widely used editors are: nano: A simple and…

Saurabh Khan March 1, 2025

Linux

File Permissions in Linux (chmod, chown, chgrp) – Complete Tutorial

File permissions are essential in Linux to ensure security and proper access control. In this tutorial, we'll cover file permissions, and how to modify them using the chmod, chown, and…

Saurabh Khan March 1, 2025

Linux

Essential Linux Commands

Linux commands are essential for navigating and managing files in a Linux-based system. This tutorial covers eight fundamental Linux commands: ls (List directory contents) cd (Change directory) pwd (Print working…

Saurabh Khan March 1, 2025

Linux

Understanding the Linux Boot Process: A Step-by-Step Guide

The Linux boot process is a sequence of events that occur from the moment a system is powered on until the user gets a fully functional operating system. It involves…

Saurabh Khan March 1, 2025

Linux

NtCreateFile (\Device\VBoxDrvStub) failed: 0xc0000034STATUS_OBJECT_NAME_NOT_FOUND (0 retries) (rc=-101)

NtCreateFile (\Device\VBoxDrvStub) failed: 0xc0000034STATUS_OBJECT_NAME_NOT_FOUND (0 retries) (rc=-101)Make sure the kernel module has been loaded successfully.where: supR3HardenedWinReSpawn what: 3 VERR_OPEN_FAILED (-101) – File/Device open failed. Driver is probably stuck stopping/starting. Try…

Saurabh Khan February 25, 2025

Linux

Basic Linux Architecture: Kernel, Shell, Filesystem

Linux is an open-source operating system that powers a wide range of devices, from servers to embedded systems. Its architecture is designed for efficiency, security, and flexibility. Understanding the basic…

Saurabh Khan February 25, 2025

Linux

What is Linux? Why Use Linux? and Linux Distributions: Ubuntu, CentOS, RHEL, Debian

Introduction Linux is an open-source, Unix-like operating system that powers a vast majority of the world's servers, embedded systems, and even personal computers. It is widely known for its stability,…

Saurabh Khan February 25, 2025

Linux

Grep Command in Linux With Examples

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…

Saurabh Khan December 2, 2024

Linux

How to Remove a Directory in Linux with rm & rmdir Commands

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…

Saurabh Khan November 29, 2024