In computing, a good Firewall system can prevent any unauthorized access to the network security systems. Businesses and organizations invest a good amount of

SSH stands for Secure Shell, one of the well-known service protocols used to execute an operation to the remote administration over the internet. It provides

YUM stands for Yellowdog Updater Modified, which is an RPM (RedHat Package Manager) based package management tool for Linux Systems. Yum was introduced in

Sudo is the default utility on Unix-Linux systems, which is known as SuperUserDo. The Linux system forbids normal users from executing administrative

DNF stands for Dandified YUM, it is a completely updated version of YUM Package Manager. It was originally introduced on Fedora 18, and has now become the

Managing and administering Linux Servers is a daunting task for all System Administrators. Needs essential hands-on experience in the command line/ CUI.

The "cd" (change directory) command in Linux/Unix is pretty simple. It is one of the standard routine commands for every Linux user. It permits you to switch

In this article, we will learn how to use sed command in linux with 12 practical examples. The sed command is a powerful and useful tool in Unix / Linux for

This guide will explain the most common 13 top commands in Linux with examples. We have tested all the examples under this section with RHEL, CentOS Stream,

In this article, we will discuss another popular command for the Linux/Unix platform. It is called 'du', which stands for "Disk Usage". It is a standard