How to Set or Change Hostname in Linux

When you set up a Linux server, one of the first things to do is give it a hostname — a simple name like webserver1 that’s easier to remember than an IP address (e.g., 192.168.1.20). If your server is online, you’ll also need a Fully-Qualified Domain Name (FQDN), which is like its full address on […]

How to Install and Use Screen on Ubuntu

Have you ever started a long-running task on your server over SSH and lost connection halfway through? It’s frustrating, especially when that task doesn’t resume and you have to start over. Thankfully, that’s where GNU Screen comes in — a powerful yet lightweight terminal multiplexer that lets you install and use Screen on Ubuntu to […]

How to Create Custom Nameservers on a VPS

When you’re running a VPS or dedicated server, setting up custom nameservers is a good move. It allows you to use your own domain (like ns1.yourdomain.com and ns2.yourdomain.com) for DNS instead of depending on your hosting provider’s defaults. This lets you brand your services professionally while giving you the flexibility and full control over all […]

How to Set Up UFW Firewall on Ubuntu

The UFW is a module that comes pre-installed on most Ubuntu systems. UFW (Uncomplicated Firewall) is a simple yet powerful tool that helps you secure your Ubuntu server by controlling network traffic. Its main job is to monitor, filter, and secure all incoming and outgoing network traffic based on the security rules you define. With […]

How to Change Webmin and Usermin Ports

Introduction: Webmin and Usermin are web-based control panel that simplify server and user account management. To enhance the security of your system, it’s advisable to change the default ports for Webmin (usually 10000) and Usermin (usually 20000). Altering these ports adds an extra layer of protection, making it more difficult for potential intruders to access […]

How to Change SSH Port

Introduction: Securing your server is a top priority, and one effective measure to bolster your system’s defense is changing the default SSH (Secure Shell) port. By doing so, you can enhance security and reduce the risk of unauthorized access. This tutorial guides you through the process of changing the SSH port on your server. Why […]

How to Install Virtualmin in Ubuntu 22.04?

Introduction: Welcome to the world of control panel management with Virtualmin and Webmin. Virtualmin specializes in managing virtual servers (domains), domains, and users, while Webmin provides a user-friendly web-based interface for a seamless system administration experience. Virtualmin is a plugin for Webmin designed to simplify the management of several virtual hosts through one easy interface. […]

How to Create Domain (Virtual Servers/Sub-Servers) in Virtualmin

Introduction: Virtualmin is a powerful and user-friendly web hosting control panel that simplifies the process of managing multiple websites on a single server. One of its key features is the ability to create virtual servers and sub-servers, allowing users to efficiently organize and host multiple websites with ease. In this guide, we’ll create virtual servers […]

How to Install ModSecurity on CentOS 7 with Virtualmin?

Introduction: In the realm of web security, ModSecurity stands tall as an open-source web application firewall (WAF) module. By deploying ModSecurity, you fortify your web server against potential threats, enhancing overall security. This article provides a detailed, step-by-step guide on how to install ModSecurity on CentOS 7, seamlessly integrated with the Virtualmin control panel. Step […]