Linux Commands

Running out of disk space? It is time to find out which directories and files are occupying the most disk space using Agedu utility.

This guide explains what is Ncdu, how to install Ncdu in various Linux distributions and how to use Ncdu to check disk space usage in Linux and Unix operating systems.

In this guide we will see whats is Snapper, and how to create Btrfs filesystem snapshots with Snapper on openSUSE Linux.

Nala is a commandline frontend for the APT package manager. This tutorial explains the general usage of Nala commands with examples.

This step by step tutorial explains what is Reptyr application and how to move…

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.