Enabling PHP zip extension in cPanel Hosting

Enabling PHP Zip extension in cPanel and WHM

Zip file is a ubiquitous file type that allows users to compress files and transfer a lot of files at once with ease. This file type is supported by virtually all operating systems. The versatility of Zip file is also used by web developers, who often upload and download a large number of small...

How to Install build-essentials in CentOS or Ubuntu

Installing build-essential in Ubuntu or CentOS

Linux is an operating system suited for software development. In Linux, you can build and run various software written in different languages, such as C, C++, Python, and Java. However, in default, mainstream Linux distributions do not bundle development tools – they have to be installed separately through the package manager upon successful installation...

Setup and Configure CentOS TFTP Server

Setup TFTP server in CentOS

CentOS is a versatile Linux distribution that allows you to install various applications, covering a lot of your needs. One of the niches that CentOS covers nicely is to be a server, particularly TFTP server. What is TFTP, and how is it different from a regular FTP server? TFTP, short for...

How to Fix Ubuntu Permission Denied When Using sudo Command

Fixing permission denied in Ubuntu when using sudo

Sudo, or “superuser do” is a very powerful command in Linux. It essentially allows you to run the command as root, the highest level of user in the Linux hierarchy, and analogous to administrator user account in Windows. Root users can execute very sensitive commands, such as formatting a hard drive and installing new...

Installing VMware Tools in CentOS 7, The Complete Guide

How to install VMware Tools in CentOS 7

Nowadays, the use of virtual machines is widespread as virtualization allows you to run more than one operating system on one computer at the same time. One of the most popular hypervisors to run virtual machine is VMware. With VMware Workstation, you can install various guest operating systems, such as Windows, Linux, and FreeBSD.

How is SSH Different from Telnet?

SSH vs Telnet

If you have used Linux or other Unix-based operating systems (like FreeBSD or Mac OS X), you might be familiar with SSH, Telnet, or both. They are used for accessing systems remotely through the command line interface (CLI). Although they are often used interchangeably, they have several feature differences, which makes them suitable for...

MySQL Error: Access denied; you need (at least one of) the SUPER privilege(s) for this operation


This annoying errors happened to our team few days ago when we were trying to migrate a site from one Linux server to another. So on the current server we compressed all the website files into tar.gz archive and the dump the MySQL database using mysqldump command. Ran wget on the new server to...

Creating a New Sudo User on CentOS 8, The Easy Way

Centos 8

Most of Linux users are already familiar with the sudo command available from the terminal. The sudo command allows user able to run programs or commands with administrator privileges - usually can only be run by root user. If you ever need to add a new sudo user within your CentOS 8, here's how...

How to Restart Ubuntu X Window Server From Command Line

Ubuntu restart X Server from command line

In today's Linux guide, I'll show you how to restart Ubuntu X Server from the command line or terminal. In some cases session might freezes and you're stuck because don't know what to do to resolved it. If you're wondering, X Server provides you with graphical desktop interface in the Linux environment. X server...

How To Install and Setup PHP 7.4 on CentOS 7

The latest stable version of PHP 7.4.0 has been released to the public a few days ago and brings many improvements, as well as new features. It's generally available for public since November 28 2019, so we can safely use PHP 7.4 on our server. PHP 7.4 is obviously much faster and better than previous PHP 7 versions, since...