
In Linux, there are several ways to check which ports are open and which services are listening for incoming network connections. There are some common tools, including ss, netstat, lsof, nmap, and netcat (nc). Depending on the tool, you can view listening ports, identify the process using them, or scan a host to check which ports are accessible. In all network systems, open ports act […]

To install WordPress on cPanel, you need to have cPanel hosting from a shared hosting provider or install cPanel yourself and configure it manually on a Linux VPS. Both shared hosting and VPS can provide access to cPanel, but they differ in how the server resources are allocated and managed. After getting access to cPanel, you have several ways to install WordPress using the cPanel […]

Docker installation on CentOS distributions has several methods, including installing with a shell script, RPM packages, and the Docker repository itself. Running Docker for some projects requires a stable connection on secure infrastructure to give you the best experience. To run projects easily on Docker, it’s better to use a CentOS system with enough resources and a stable network connection to make sure the project […]

Nginx can be installed with a tar file, which you can download from the official Nginx website. In this method, you need to download the tar file, extract it, and then compile the source code yourself to build the application. This is a more advanced method. If you want an easier option, we recommend installing it with the Linux package manager; you can learn how […]

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 […]

The safest way to back up SSH keys on Ubuntu is to create an encrypted archive of your .ssh directory and store it on a separate server or storage device. If you use SSH key authentication to log in to your server, backing up your SSH keys is crucial. If your SSH private key is corrupted or deleted, you could be locked out of your […]

Finding the IP address of your VPS is one of the first things you may need when managing an Ubuntu server. Whether you want to configure a firewall, configure a domain, or troubleshoot your network, you need to know which IP address your server uses. In Ubuntu, there are several ways to find your IP address, depending on how you use your server. You can […]

In Linux, removing a file or directory is a basic operation that any Linux user needs to learn; however, it seems simple, but it has different methods, each with its specific use cases. In Linux, when working with directories, the way of removing depends on whether the directory contains content or not. If the directory contains content, removing it with the rm command without using […]

Updating and upgrading packages in Linux is the first thing we need to do before any installation on any Linux Server. This action is mostly the same across Linux distributions, but it has some small differences because of the package manager of each distribution. In the following guide, you will learn about simple package updates and upgrades, full system upgrades, and how you can use […]