
Ashley B.
Content Writer (Hi! I’m Ashley, a Linux Administrator with a passion for making Linux simpler and more accessible for beginners. Since 2021, I’ve been writing friendly, practical guides at OperaVPS to help users install software, use the command line, and get comfortable with their VPS. Linux doesn’t have to be intimidating. and I’m here to show that anyone can learn it with the right support and a little curiosity.
How to Install htop in Ubuntu, Debian, CentOS, Fedora
You can install htop from default repositories of most Linux distributions such as Ubuntu, Debian, CentOS, and Fedora simply through a Linux terminal and using Linux distribution specific package managers. The htop is a powerful real-time system monitoring tool that offers a dynamic and interactive view of running processes and your server resource usage with […]

Install apt-fast in Ubuntu to Boost apt Download Speeds
apt-fast is a tool that significantly boosts package download speeds in Ubuntu by utilizing multiple connections simultaneously. It acts as a wrapper for the standard package manager (apt or apt-get), effectively dividing package downloads into smaller chunks and downloading them concurrently, resulting in faster overall download times. As a Linux Ubuntu user, you can easily […]

How to Install OpenCV in Ubuntu for Python and C++
OpenCV is a powerful open-source library for real-time computer vision tasks, ideal for image and video processing, object detection, facial recognition, and more in Ubuntu. It’s used when you need to develop applications that understand and interact with the visual world, from basic image manipulation to complex AI-driven systems. There are two Quick and Customizing […]

How to Check Heap Memory Usage of process in Linux
Heap memory is a region where a program can dynamically allocate and deallocate memory during runtime. Unlike stack memory, heap allocation is manual, requiring explicit requests and releases. It’s used for data structures with varying sizes or lifetimes, but careful management is essential to prevent memory leaks. The below methods help you to determine Heap […]

which Command in Linux Ubuntu, CentOS, Fedora & others
The which command in Linux is used to locate the full path of an executable file. It searches through the directories listed in the PATH environment variable and returns the first occurrence of the specified command. Here is the basic syntax of which command in Linux: which -a [argument] The command or commands you wish […]

Install LibreOffice on Linux VPS [Ubuntu,CentOS,Kali,…]
LibreOffice is a free and open-source office suite offering powerful alternatives to Microsoft Office. It includes word processing, spreadsheets, presentations, and more. Top benefits include cost-free use, compatibility with various file formats, and running on multiple operating systems like Linux. There are 4 easy methods to Install LibreOffice on Linux VPS: 1. Package Manager (Recommended): […]

How to Install Brave on Linux Distros
The main and most simple way to install Brave on Linux VPS is by adding Brave’s Repository Key and Brave Repository and installing Brave browser on various Linux distributions from its repository. Using a browser that offers a more efficient browser experience with faster load times, ad and cookie blocking, and enhanced privacy is a […]

How to Install OBS Studio in Ubuntu VPS?
OBS Studio is a powerful free software that turns your computer into a broadcast studio. This live-streaming tool enables Linux users to capture high-quality video and audio, mix elements like your screen, webcam, and microphone, and even add overlays and editing in real-time. To install OBS Studio in Ubuntu, you can use any of the […]

Start, Stop, Restart Services in Linux VPS – systemctl
On a Linux VPS, systemd acts as the init system, orchestrating the background processes that keep everything running. These processes, called services, handle crucial tasks like web serving, databases, and firewalls. systemd is responsible for starting, stopping, and managing these services. systemctl is your command-line tool for managing services on a Linux VPS to start, […]

How to Change or Set System Locales in Ubuntu VPS?
To change or set system locales in Ubuntu VPS, proceed as follows: Check current locale settings List available locales Generate the desired locale Set and update the system locale Reboot the System (Optional). After buying a Linux VPS running Ubuntu, setting locales in Ubuntu VPS offers a localized user experience tailored to regional and linguistic […]

How to open Window in Center of Screen on Ubuntu VPS
Window on Ubuntu can be centered to be particularly advantageous for design and video editing tasks. This functionality minimizes the need for manual adjustments after opening a window, proving beneficial when managing numerous windows or working on displays with limited screen real estate. There are two main ways to achieve this on Ubuntu VPS, depending […]

Black Screen in Ubuntu VPS: Ultimate Solution to Fix Error
The solution to solve the black screen error in Ubuntu VPS is to boot your Ubuntu VPS in recovery mode through the GNU GRUB menu, select “Resume normal boot” to proceed with a normal boot process, or edit the Linux entry by adding “nomodeset” mode at the end, and reboot the Ubuntu VPS. Encountering a […]