How to Add User to Sudoers in Debian-Based Linux

During your continued usage of an Ubuntu or Debian-based operating system environment, you probably encountered terminal-bound errors like “permission denied” or something like “user is not in the sudoers file”. Such circumstances can be frustrating

How to Install Docker CE in Linux Mint 20

Docker is an open-source containerization technology that is designed to create, deploy and run container-based applications. In this article, you will learn how to install the Docker Community Edition (CE) on Linux Mint 20. If

How to Clone Virtual Machine in VirtualBox

Installing a fresh operating system on VirtualBox is easy and can be done in a short time. After that, there are so many steps like installing packages, hardening the OS, updating drivers, configuring development environments,

How to Host a Website on NGINX Web Server

NGINX (pronounced as Engine-X) is a free and open-source web server software, load balancer, and reverse proxy optimized for very high performance and stability. NGINX offers low memory usage and high concurrency — which is