
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.

Use SCP Command in Linux to Securely Copy Files
SCP Command is a secure file transfer protocol that uses SSH for encryption. It allows users to copy files between local and remote systems securely, ensuring data protection during transfers. 🤖AI Overview: SCP Command is essential for securely transferring files between systems using SSH encryption. It helps prevent unauthorized data access by encrypting files and […]

Master the tar command for Efficient Linux File Management
The tar command is a Linux utility used to create, extract, and manage archive files. Developers use the tar command to back up data, compress files, and transfer multiple items as a single file. Common options allow for archiving, compression with gzip or bzip2, and listing or extracting contents. The tar command is essential for […]

zip Command in Linux
The zip command in Linux is a powerful and widely used utility for compressing files and directories, reducing their size for storage or transmission. It works by taking one or more files and archiving them into a single .zip file, often with compression applied to save disk space. This command benefits Linux administrators and users […]

Master the Curl Command in Linux with 15 Examples
The curl command in Linux is a tool for transferring data using various protocols. It allows users to download, upload, and manage files efficiently through simple command-line instructions. 🤖AI Overview: The curl command in Linux is used for transferring data across a network using various protocols such as HTTP and FTP. It enables users to […]

Install Nagios Core and Plugins on Linux: The Definitive Guide
As a CTO and Senior Linux System Administrator, I understand how vital a robust, scalable monitoring solution is for modern infrastructure. Nagios, ranked among the Top 10 Network Monitoring tools in 2023, delivers advanced visibility through its flexible plugin ecosystem. This guide offers a clear, best-practice approach to installing and configuring Nagios on CentOS, Rocky […]

Why Quality Of The RDP Connection Is Low?
Today, RDP usage has increased a lot, and some of us use it for several hours a day, so if the quality of the RDP connection is low, we will not enjoy using it, and sometimes we may not be able to use it totally. And if we use a tool repeatedly, the quality of […]

Setting Up Remmina for RDP Access on Linux
Remmina is a free, open-source software for connecting to a remote server (Remote Desktop). You can use this software to connect to Windows VPS via Ubuntu Linux operating system. This software is a replacement for the remote desktop connection of Windows systems and supports various protocols. RDP, which stands for Remote Desktop Protocol, is a […]

How To Use Ubuntu VPS With GUI And RDP Access
All Linux-based VPS servers like Debian, CentOS, and Ubuntu VPS come with SSH (Secure Shell) access. You will be able to use this SSH to connect to your VPS remotely to execute your commands.

Install Linux Bash In Windows
After releasing the creator update in Windows, Microsoft added a feature that allows users to install Linux Bash in Windows 10. After installing the Linux Bash or Linux terminal in Windows, Windows users will be able to execute Linux commands and use them in Windows.

Complete tutorial to install Let’s Encrypt SSL on CentOS 8
Securing a website using Certbot is one of the key factors you need to your website can survive. Using HTTPS via Security Certificate (SSL Certificate) to secure the traffic sent from web browsers to web servers is essential. As a result, users will be completely secure in communicating with your website in order to exchange […]

How To Install WordPress On Ubuntu VPS
WordPress is the most popular content management system (CMS) on the Internet. WordPress allows you to set up flexible blogs and websites in the MySQL database by processing PHP. WordPress has an incredible selection and is a great option to increase site traffic and speed. In this article, we will teach you how to install […]

How To Whitelist Email In cPanel?
Are you having trouble receiving email in cPanel? This was a problem that came up for me and I decided to write an article to solve this simple problem. Email, as the world’s largest and most important communication medium, plays an important role in our daily communications, especially for individuals and companies operating in the […]