Linux Tutorials

Linux is a free Unix-like operating system that has spawned many variations over the years. It was first released by Linus Torvalds in 1991 and has since become of the most popular operating systems in the world.


SkillSugar provides a collection of curated Linux tutorials to help your solve problems so you can learn and move forward with the job in hand.



How to Stop DDOS Attacks & Prevent Future Downtime

August 26, 2020

DDOS attacks are very common and can be ruinous for any website. Regular DOS (Denial of Service) attacks are relatively...


How to Create Users in Linux Using the useradd Command

July 20, 2020

A Linux system is designed to be used by multiple users. As an administrator, you will need to know how to create and re...


How to Restart Linux/Ubuntu Server with Command Line

July 08, 2020

There are many reasons for restarting your Linux/Ubuntu server, whether that is due to newly installed software that req...


How to List Users in Linux

July 04, 2020

Knowing how to list or count users on a Linux system can be very useful for managing who has access to use your server o...


How to Run a Script in Linux Command Line

June 30, 2020

A shell script is a collection of commands that provide a useful function. The script can be run from the terminal manua...