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.

access Command in Linux VPS [An Advanced Guide]

access Command in Linux VPS

The access command in Linux VPS is used to programmatically check a file’s accessibility for the calling process and to check a user’s permissions for a specific file. This means it verifies whether the running program has the necessary permissions (read, write, or execute) to interact with a specified file and whether the user has […]

List Current Logged-In Users in Linux VPS

How to List Current Logged-In Users in Linux VPS?

Listing current logged-in users in Linux VPS is an essential administration task, especially if you work in a multi-user Linux environment. Here are various ways to list current logged-in users in Linux VPS at a glance: The users command The w command The who command Reading the content of /etc/passwd file using commands cat, less, […]

How to Change Directory in Linux VPS using cd Command

cd Command: How to Change Directory in Linux VPS?

The cd command acts like a compass and lets Linux users switch between folders (directories) on their system. Since the terminal can only view files in your current directory, this is crucial. To change directories in Linux VPS, you can use one of the below ways: To navigate to a directory that is relative to […]

how to Install Notepad++ on Linux VPS

How to Install Notepad++ on Linux VPS?

Notepad++, a free open-source code editor loved for its speed and features, can surprisingly be used on Linux! This lets you code with the familiar Notepad++ interface and features like syntax highlighting for different languages, making your development process smoother. There are two main ways to install Notepad++ on Linux VPS: Snap and Wine. Snap […]

How to Use ifdown Command in Ubuntu VPS?

How to Use ifdown Command in Ubuntu VPS?

The ifdown command in Ubuntu VPS is used to disable a network interface. It effectively takes the specified interface down or offline, preventing it from handling any network traffic. This command is typically paired with the ifup command, which serves to activate or reactivate a network interface. The main syntax of the ifdown command in Ubuntu […]

Best Linux Commands

25 Best Linux Commands All Users Should Learn

Linux by providing a Command-Line Interface (CLI), allows users to interact with the Linux system more efficiently through running commands. Learning the basic Linux commands is essential for more effective interaction with the Linux system and managing and performing a wide range of tasks more efficiently and quickly. Top 25 essential Linux command you must […]

How To Create A Website With RunCloud

How To Create A Website With RunCloud?

RunCloud is designed for PHP web applications and is a modern web server panel; without confusing command lines, you can manage your Website and is an excellent file manager and cloud editor.

How To Setup Virtual Host On CentOS 7

How To Setup Virtual Host On CentOS 7

In this post, we will be with you to see how we can setup Virtual Host On CentOS 7; Virtual Host is a common term in Apache; You have several websites that you want to activate on one server, and in addition to saving on server purchases per site, save time and not have to […]

setup proxy in ubuntu

How to Setup Proxy Settings on Ubuntu

Setup proxy on ubuntu is an intermediate for connecting to internet and provides privacy, anonymous browsing and network security. Also you can access restricted content and bypass geographically restrictions. To setup proxy settings in ubuntu by GUI, you can open ubuntu settings and enter proxy information. Also you can set proxy in linux ubuntu permanently […]

How to Use fsck Command in Linux

Use fsck Command in Linux Ubuntu and CentOS

File systems play a crucial role in organizing, storing, and retrieving data on storage devices, and the failure of file systems can have irreparable consequences. As a Linux system administrator, you should prioritize the maintenance and health of the storage system and enhance your knowledge in this area. The powerful command-line tool fsck (file system […]

What is tail Command in Linux

Mastering the tail Command in Linux for Developers

tail Command in Linux displays the last lines of a file in real time. Developers use it to monitor log files or outputs. Use tail to track changes without reopening the file. 🤖AI Overview: The tail Command in Linux is a utility that displays the last part of text files or streams directly in the […]

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