How to delete a user account on Ubuntu Linux
It is always a good idea to delete unwanted or unused user accounts on Ubuntu Linux or any other operating system for security reasons. This page shows how to remove…
SSH Essentials: Working with SSH Servers, Clients, and Keys
SSH is a secure protocol used as the primary means of connecting to Linux servers remotely. It provides a text-based interface by spawning a remote shell. After connecting, all commands…
How To Configure SSH Key-Based Authentication on a Linux Server
SSH, or secure shell, is an encrypted protocol used to administer and communicate with servers. When working with a Linux server you may often spend much of your time in…
What is the Linux Kernel and What Does It Do?
A kernel is the lowest level of easily replaceable software that interfaces with the hardware in your computer. It is responsible for interfacing all of your applications that are running…
Linux Permissions Basics and How to Use Umask on a VPS
Linux permissions allow a file or directory owner to restrict access based on the accessor's relationship to each file. This allows for control schemes that provide varying levels of access…
What is Linux? Everything About Linux for Beginners
Linux is a kernel originally developed by Linus Torvalds for hobby purposes. Later, with his famous message to the newsgroup, it became the operating system of today. The understanding of…
What is Linux Operating System? Introduction to Linux OS
Just like Windows, iOS, and Mac OS, Linux is an operating system. In fact, one of the most popular platforms on the planet, Android, is powered by the Linux operating…