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 editing the content (files) line by line, including inserts, appends, changes, and deletes. Furthermore, it supports regular expressions, so it can match complex patterns. […]

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 directories from one to another via Terminal. The cd command works based on the absolute path and relative path. Note: If you are a newbie or Windows user, […]

Managing and administering Linux Servers is a daunting task for all System Administrators. Needs essential hands-on experience in the command line/ CUI. However, many significant projects are coming up to handle Linux Administration tasks via the web console. It helps the new system admins, DevOps, and Developers to handle the system administration task easier. In […]

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 default package manager on Fedora 22, RHEL, and CentOS-8 to handle the RPM package management. DNF improves the deficiencies of YUM, including poor performance, high memory usage, and […]

A brief introduction about CentOS CentOS is a Community-based Enterprise Operating System, with a free support platform which uses the source code of Red Hat Enterprises Linux (RHEL) distribution. The advantage of using CentOS is that it is completely free to install on any 64-bit x86 system. Most of the Web Hosting companies are using […]