Author Archives: visperhost

What is RAM (Random Access Memory): The Meaning of RAM

In the world of computers, the term “RAM” is one of the most frequently heard words, whether in conversations about choosing a computer, smartphone, or even various electronic devices. Additionally, RAM plays a crucial role in large-scale systems such as servers (Server) and virtual servers. ( VPS – Virtual Private Server) as well, because whether

5 Commands to Check Linux VPS Status: Load, RAM Usage, and Network

When using a VPS (Virtual Private Server) for hosting websites, running applications, or providing other services, it is crucial to ensure your server operates smoothly, does not overload, does not use all of its RAM, and maintains a stable network connection. In this article, VisperHost will guide you through 5 essential commands for checking system

What is an SSH Key and Why Should You Use It Instead of Passwords?

Currently, remote connectivity via SSH (Secure Shell) remains a critical standard because it ensures secure data transmission, free from eavesdropping or man-in-the-middle risks. However, if you continue to use traditional SSH with username and password authentication, significant security issues persist. This is why SSH keys may be a better alternative. What is SSH and what

What is Apache: Apache HTTP Server

In the world of website development and network systems, “Apache” is a name that is very familiar, especially for those with experience working with web servers. Apache HTTP Server, or simply “Apache,” is one of the most popular web server software in the world. What is Apache? Apache HTTP Server is an open-source web server

What is OPNsense: An open-source firewall suitable for all organizations.

In an era where internet connectivity is crucial for business operations and daily life, network security systems have become a critical component that organizations and general users cannot overlook. One of the tools that helps us effectively protect against cyber threats is the “firewall,” which acts as the frontline defense of a network, preventing dangerous

What is SMTP: Basics and How the Email Transmission Protocol Works

In an era where email communication is a routine part of daily life for people worldwide, whether sending personal messages or conducting business, email has become an essential tool that enhances communication efficiency, speed, and cost-effectiveness. But have you ever wondered how that information travels when you hit the “Send” button? The answer lies in

What is a domain? | The meaning of each domain extension

domain

Domain Name A domain name refers to the name used to identify a website’s address on the internet, making it easier to access and remember instead of using numerical IP addresses such as www.example.com. A domain name consists of two main parts: the domain name (Domain Name) and the domain extension (Domain Extension). Domain Extensions

Is a 512 Kbps internet speed fast? What can you do with it?

The internet has become an essential factor in daily life, whether for work, education, or online entertainment. Internet speed directly impacts the user experience. Standard mobile internet packages typically come with a data quota, and once the allocated data is used up, the internet speed is reduced to 512 Kbps or a lower level. In

What is pfSense? A firewall and router for organizations and general users.

In network management, whether at home or in an organization, security is the cornerstone. pfSense is one of the most popular solutions among network administrators worldwide, offering comprehensive capabilities including Firewall, Router, VPN, and other network management systems. All of these features are available for free and are open-source. What is pfSense? pfSense is a