Harry Hill

Content Writer ( 119 Articles )

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.

Methods to View Contents of File in Linux

How to View Contents of File in Linux?

We all interact more with files on our personal computers. Viewing and editing the contents of important files such as configuration files, log files, text-based documents, and scripts is essential for various purposes. Configuration files are used for changes in system settings and programs, and log files are essential for detecting errors and troubleshooting the […]

How to Find IP Address in Ubuntu

How to Find IP Address in Ubuntu

The IP address is the number used to identify your computer on networks and the internet. IP Address in Ubuntu is used to view the local IP address, default gateway, and DNS servers. There are two methods to Find IP Address in Ubuntu. In this article, you will learn how to use the Command line […]

How to Switch User to Another User in Ubuntu

How to Switch User to Another User in Ubuntu

Linux is a powerful and versatile operating system that allows multiple users to use a single system by creating separate personal user accounts. In addition, in Linux distributions, users can switch between different user accounts without setting and exiting the system while maintaining security and privacy. Therefore, if needed, you can switch to different user […]

Methods to Send Email From Command Line in Linux

6 Methods to Send Email From Command Line in Linux

Sending Email from Command Line?! It must be interesting for Linux administrators, developers, and users. Join us with this tutorial to learn How to Send Email From Command Line to make easier this essential task of the digital age. Also, you will learn to send Linux email attachments with the help of mail commands. There […]

Truncate File in Linux

How to Truncate File in Linux to Remove File Contents

Clearing the system of useless files and data and clearing the storage disk of the operating system is one of our daily tasks. It may have happened to you that you don’t need file data, and on the other hand, creating a new file with correct permissions and ownership is a time-consuming and challenging task; […]

Examples of Main SSH Commands List in Linux

Main SSH Commands List in Linux with Practical Examples

SSH stands for Secure Shell. It is a protocol that uses encryption to protect your sensitive data while transmitting over the network. So, SSH enables you to log onto a remote system securely and run commands on it. In this article, you will review the Main SSH commands in Linux with examples. For managing a […]

What is bashrc in Linux

What is bashrc in Linux?

The hidden .bashrc configuration file in Linux is your personal shell concierge. It runs commands when you open a terminal, letting you be creative and set aliases for shortcuts, define functions to automate tasks and customize your prompt for a more efficient and personalized command line experience. This Bash shell initializes an interactive shell session […]

Examples of apropos Command in Linux

apropos Command in Linux with Examples

As a Linux user, if you have a problem remembering an exact command, this guide is what you need. When you need a specific Linux command, but you cannot remember it, the apropos command is a good helper. The apropos command in Linux looks for instructions using keywords that are supplied to it in the […]

Best Linux VPS Providers Top 10 of 2024

Best Linux VPS Providers Top 10 of 2025 [Comparison]

Nowadays, people struggle to find the Best Linux VPS provider with affordable prices, an on-time and technical support team, no hidden fees, global locations, various payment methods, and hassle-free. Based on the customer reviews, I found that today, people are looking for decent and round-the-clock support from the Linux provider the most. So, we suggest […]

Difference Between su and su

What is Difference Between su and su – Command in Linux?

Linux has a sea of commands for different purposes; for optimal use and management of Linux, you must be familiar with different commands. We try to familiarize you with the functions of various Linux commands so that after purchasing a Linux VPS, you can benefit from the features of Linux and achieve your goals. In […]

System and Hardware Information in Linux

Commands to Get System and Hardware Information in Linux

One of the most activities of a Linux administrator or user is to get information about their Linux system. Observing the status of CPU, software, hardware, and more is possible by having Linux system knowledge. 23 Commands to Get System and Hardware Information in Linux are what you will review in this article.

Verified Methods to Autorun a Script on Startup

How Can I Run a Command after Boot/Startup in Linux?

Tools or programs called Linux startup scripts are launched by the kernel each time your computer restarts. Once the system has been booted, users can use any Linux run command on startup to configure programs or carry out specific tasks. To run script at startup Linux or command, you can use 7 different methods: /etc/rc.d/rc.local […]

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