174 posts

Installing Matrix 9 on Windows 11 is a simple process if you follow the correct steps. In this guide, you’ll learn how to download, install, and run Matrix 9 properly on Windows 11 without errors.

Mailx is a lightweight command-line email client used on Ubuntu servers for sending system alerts, notifications, and test emails.

Installing mailx on RHEL 9 allows you to send emails directly from the command line, which is useful for system alerts, scripts, and server monitoring.

Switching users in Ubuntu 25.04 is a common task for system administrators and multi-user environments. Ubuntu provides several simple and secure ways to change users, whether you are working from the desktop interface or the command line.

By default, a Next.js app runs on port 3000, but sometimes you need to change it—whether to avoid conflicts, run multiple apps, or meet deployment requirements

Running multiple websites on different ports using Apache Virtual Hosts is a common setup for development, testing, or running multiple applications on a single server without extra IP addresses.

Changing the Apache default port in XAMPP is useful when port 80 or 443 is already in use by another application such as Skype, IIS, or Docker.

Changing the default Remote Desktop Protocol (RDP) port from 3389 to 3390 can enhance security and reduce exposure to automated attacks. Below is a step-by-step guide with clear instructions and code examples.