Linux

In this tutorial, we’ll learn about the sar command in Linux! sar is part of the sysstat package which contains various utilities and tools, mainly for monitoring system performance and user activity. It is a tool within the sysstat package that collects, reports, and saves system activity. Installing sysstat package As we know sar is […]

In this module, we’ll learn to perform HTTP Tunneling using ngrok on Linux. Ever been in a situation where you had a webserver running locally and needed to access it from outside the network? One might not always have Port Forwarding rules set up in the network. This is where Ngrok comes in handy! Ngrok

The chgrp command stands for change group permission. It is a utility on *nix platforms to change the group ownership of each file to a certain given GROUP. How to use the chgrp command? Let’s start with the basic syntax of the chgrp command first and then dive into how to use the tool. You

This module covers one of the most important and misunderstood topics in git – the detached head in git. In this article we discuss in detail about what is git detached head mode, how it works and how to fix git commits made accidentally in detached mode. What are HEAD and branch in git? Before

In this article, we discuss how we can copy and paste from multiple registers in vim/Neovim effectively. This article is meant for vim user who has knowledge of the basic commands in vim. This article explains the basic concepts of copy and paste commands, vim registers with examples, and also discusses how we can add

In this tutorial we’ll build a Linux server on a Raspberry Pi with Raspbian which is an operating system based on Debian.In the end we’ll also host a NGINX server on our Raspberry Pi Linux server! What is a Raspberry Pi? Raspberry Pi is a single-board, cheap credit card size computer. It can be powered

A text-based web browser not only displays the text content of a website but it also results in faster loading and minimum usage of bandwidth which is great for low bandwidth connections. Top Text-based Web Browsers There are many kinds of text-based web browsers like: Lynx Links eLinks w3m browsh But we’ll cover only browsh

In this tutorial we’ll teach you how to install GIMP on Linux! GIMP stands for GNU Image Manipulation Program, which is a cross-platform powerful image editor. It is a great if not the best image editor in the Linux world. It is a free software, and it’s source code is available to make changes and

In this module, we’ll learn to use the VIM plug to install plugins. Vim is one of the best text editors out there. It is very mature, efficient, and extensible. It offers a wide range of editing options and commands but lacks some of the features of a modern text editor. This is because Vim