Linux Basics

This brief tutorial explains how to force users to use strong passwords using Pluggable…

This brief guide explains how to force sudo password authentication for all users or a specific user in Linux operating systems.

This tutorial explains how to add, delete and grant Sudo privileges to users in Ubuntu 22.04 and 20.04 LTS editions.

This guide explains how to add, delete and grant sudo privileges to users in Fedora 36 desktop and server editions.

This brief guide explains how to reset forgotten sudo password in Ubuntu 22.04 and 20.04 LTS desktop and server editions from rescue mode.

This brief guide explains how to boot into rescue mode and/or emergency mode in Ubuntu and other Linux systems that uses Systemd.

Forgot the root password in Fedora? Do you want to change the root user password in your Fedora system? No problem! This brief guide explains how to change or reset root password in Fedora.

This guide explains how to install multimedia codecs in Fedora 36 from RPM Fusion software repository.

This brief guide explains how to run commands as another user via Sudo and how to run certain commands without sudo password in Linux.

In this guide, we will discuss what is Shadow password file and its purpose in Linux. Then, we will discuss various commands to find all user accounts that has no password in Linux. Finally, we will see how to set password to an user and how to lock and unlock user accounts in Linux.