
If you are using UFW as your firewall on Ubuntu, Debian, or any other Linux distribution, this guide will show you how to open a port and allow access from a specific port, IP address, or network using the UFW firewall. Before starting to open a port or allow an IP address connection to your Ubuntu, you should verify that you have UFW installed and […]

Windows Server has an administrator user, so when you buy a Windows VPS, you might log in as the administrator user and only need to change the administrator password, even if you purchase a Windows Client like 10 or 11. Also, you have to be logged in as an administrator to change other user’s passwords; you can use it to change Active Directory user passwords. […]

Nginx can be installed by various methods, including using the apt repo and adding the Nginx repo itself, which you’ll learn to install on Ubuntu Server, install its dependencies, configure the firewall, and test the installation of Nginx. To install Nginx on Ubuntu, the recommended method is to use the Ubuntu apt package manager, because it uses the latest release for your current Ubuntu Noble […]

Linux provides a simple passwd command for changing user passwords. Setting a strong password avoids future attacks and improves security; it is also necessary to change passwords after purchasing a Linux VPS. In this tutorial, you’ll learn how to change logged-in user passwords, root passwords, other user passwords, and create strong passwords. Generate Strong Password There are various methods for generating strong passwords, but a […]

Installing an SSL certificate on Windows Server depends on the certificate format and the service where you plan to use it. You may generate a new certificate, use an existing certificate, or import a certificate provided by a certificate authority. In this guide, you will learn how to import PFX and CER certificates, bind an SSL certificate to IIS, and trust AD CS certificates and […]

Downgrading packages is useful when a newer version introduces bugs, compatibility problems, or unexpected behavior after an upgrade. It’s also useful when you need to install a certain version of a package, especially when you use Ubuntu VPS. In this guide, you’ll learn to install an older .deb file from the Ubuntu Archive, build packages from source, and use Ubuntu snapshots for downgrading packages and […]

A web hosting server is a physical or virtual machine that contains website files and databases and also makes them available to users on the Internet. When someone types your domain name in a browser, the web server receives the request, processes it, and returns the requested web page. The operating system installed on this server determines which software you can run, how resources are […]

Installing aaPanel on a CentOS server gives a graphical interface to manage websites, databases, web servers, and apps using a web control panel instead of doing it all by typing commands. Before you start installing, you need to prepare the server by updating its software, installing the necessary tools, and ensuring there are sufficient system resources. In this guide, you will learn how to install […]

Uncomplicated Firewall (UFW) is a simple command-line firewall management tool commonly used on Ubuntu and Debian-based Linux systems. It provides an easier way to configure firewall rules without requiring you to work directly with lower-level firewall rules like iptables. Using UFW, you can allow or block specific TCP and UDP ports, restrict connections to specific IP addresses, allow predefined services, and manage existing firewall rules. […]

A game server is a physical or virtual machine that hosts and manages multiple game sessions. This helps to users connect to the server and play online with other players. The required hardware depends on the game and how many players it supports. A game with many players may need more CPU, RAM, and network power to manage connections and game actions. Storage needs depend on […]