
Harry Hill
Content Writer (I’m Harry, the CTO of OperaVPS and a Senior Linux System Administrator with a strong background in systems engineering, DevOps, and cloud infrastructure. Since 2020, I’ve been sharing advanced insights on topics like virtualization technologies, Linux performance tuning, and secure server deployment. My focus is on delivering in-depth content for developers and professionals who want scalable, reliable, and efficient solutions.

Linux ifconfig Command
interface configuration, abbreviated as ifconfig, is a tool that provides network management in Unix/Linux operating systems. Through ifconfig, you can configure network interface parameters, check the status of active system interfaces, and define queries for network interface parameters. Also, by using the ifconfigh command, you can assign IP addresses to network interfaces, you will be […]

List User in Linux Step by Step Guide for Developers
List User in Linux refers to the process of displaying all user accounts on a Linux system. Use the cat etc passwd or the getent passwd command to list users efficiently. This is essential for managing permissions and access. 🤖AI Overview: List User in Linux refers to the process of displaying all user accounts present […]

Using echo Command in Linux with Practical Examples
As a pre-installed command in Linux, echo is a feature for printing out arguments as standard output. Using the echo Command in Linux with Practical Examples is what you will learn in this article. The echo command is one of the most frequently used commands in Linux that allows you to display messages as command […]

How to Update Ubuntu
Updating Ubuntu to its latest version is not a difficult process and even does not need high technical knowledge. As a popular distribution of Linux, Ubuntu is used by users who are not advanced in Linux. It offers two simple and quick ways to update Ubuntu. Command-line and Software Updater are two methods that satisfy […]

How to Check Linux Ubuntu Version
It is not difficult to check your Ubuntu version. Ubuntu is an open-source Linux distribution based on Debian that is well-known and most used by users all over the world. It has been released in three editions of Desktop, Server, and Core which users choose them depending on their needs. As a popular system for […]

How to Install Wine on Ubuntu
Here is the only Wine you do not have to stop driving after using that! Even you can start a Racing. Wine is a free and open-source compatibility layer. With Wine, developed computer games and application software for Microsoft Windows would be enabled to run on Unix-like Operating Systems. Providing a software library called Winelib, […]

Create Directory in Linux using mkdir Command
The popular Linux operating system has a complex and extensive world; the reliability and compatibility of Linux have made it a popular choice for users and is used to facilitate the performance of various tasks. As you know, the Linux terminal is one of its powerful features that makes it possible to perform a wide […]

How To Install LEMP On CentOS 8
LEMP is Linux, Nginx (Engine X), MariaDB/MySQL, and PHP. In this article, we will check how to install LEMP on CentOS 8. Lemp includes a set of free and open-source tools for using high-traffic dynamic websites.

How To Install MariaDB On Debian 9
MariaDB is a database system that is a MySQL branch and uses MariaDB Storage Engine as a storage engine. At the beginning of the database’s entry into the market, experts and programmers did not welcome it, believing that it did not have the power to compete with MySQL.

How To Convert CentOS To CloudLinux
Nowadays, cPanel is the most popular hosting platform control panel that allows you to manage hundreds of websites according to your resources without any problem. Now imagine how many of these websites can be infected and what if they infect other websites on the same server? This is where CloudLinux OS comes in. CloudLinux is […]