Web Servers

Learn how to troubleshoot and resolve Error 526 Invalid SSL Certificate on your website with our step-by-step guide. Improve your website's security and avoid potential issues with SSL certificates.

Domain Name System (DNS) first emerged in the early 1980s. It represents a system of interconnected servers that store registered domain names and Internet Protocol (IP) addresses. As the Internet grew, it became an unavoidable part of online interaction.

The 522 connection timeout error is a Cloudflare error code indicating that the server cannot access the target website. Learn more about the error and how to troubleshoot it in this tutorial.

Apache is an open-source web server that supports various operating systems and programming languages. To ensure the web server's optimal performance, security, and compatibility with other software, it's essential to keep it up-to-date with the latest security patches. This article provides multiple ways to verify the Apache version.

The error message "Error 521: Web server is down" indicates an issue with the server. This guide explains common causes and provides methods to troubleshoot and resolve error 521.

This tutorial shows how to install and configure an SMTP server on Windows operating systems. Use SMTP for email exchange on the Internet.

A server rack is a cabinet that holds IT equipment such as servers, network switches, or routers. This article shows how to build a server rack and offers some useful tips and tricks.

This guide explains what error 520 means, what causes it, and how to fix it.

This guide explains two ways to set up PHP redirects, the advantages and disadvantages of each method, and the best practices to follow.

The CLI and GUI both serve the same purpose of facilitating the users' interaction with the OS. Read this article to learn the key differences between the two UIs.