How to set up a firewall on Ubuntu

Jak nastavit firewall na Ubuntu

One of the fundamental elements of server security is a firewall. Specifically on Ubuntu, the firewall is implemented as UFW (Uncomplicated Firewall). Knowing how to set up a firewall on Ubuntu is crucial for server security and the proper functioning of services. UFW (Uncomplicated Firewall) is a software tool for managing the firewall on the Ubuntu operating system. The purpose of the firewall is to secure the computer against unauthorized access, monitor and control network traffic. UFW operates based on a set of rules that determine which network traffic is allowed or blocked. These rules … Read more

Installation and configuration of Apache on Ubuntu 20.04

Instalace a konfigurace Apache na Ubuntu 20.04

If you want to run web hosting on your own server, you will need to set up a web server as a minimum requirement. Since Apache is widely popular and commonly used, let’s take a look at how to install and configure Apache on Ubuntu 20.04. The installation and configuration process is not complicated, and you just need to follow the steps precisely. If possible, it’s recommended to take a snapshot of your server or create a backup before the installation, so you can revert back to the original state if needed. Installation and configuration … Read more

Installation and Configuration of Netdata on Ubuntu Server

Instalace a konfigurace Netdata na Ubuntu serveru

Netdata is an open-source software designed for real-time monitoring of your server. With this software, you can view and collect data about the performance of your server and its various components in real-time. You can monitor CPU load, memory, disks, network traffic, and much more. The installation and configuration of Netdata on Ubuntu server are straightforward and take only a few minutes. The monitoring is accessible through a web browser by entering the server’s IP address and port 19999. Installation and Configuration of Netdata on Ubuntu Server Installation To set up monitoring on your server, … Read more

Security vulnerability in the Essential Addons for Elementor plugin

Bezpečnostní chyba v pluginu Essential Addons for Elementor

Are you using the popular Elementor site builder for your WordPress website along with the Essential Addons for Elementor plugin? If you answered yes to both questions, you should be alert. Security vulnerability in the Essential Addons for Elementor plugin was found in versions 5.4 to 5.7.1. If you are using the plugin, it is crucial to check its version and update it as soon as possible. Critical Security Vulnerability in the Essential Addons for Elementor Plugin The Essential Addons for Elementor plugin provides many additional elements for the well-known site builder, and it is … Read more

Migration of WordPress to a dedicated VPS

Přechod s WordPressem na vlastní server

Since this website has grown to a size where traditional shared web hosting is no longer sufficient for my needs, I have decided to migrate to a dedicated virtual server. It was not just about speed but also the opportunity to try out new things, which shared web hosting does not allow. The limitations of PHP versions, server modules, and settings are clearly defined in shared web hosting. In this article, I would like to provide a superficial overview of what such a migration of WordPress to a dedicated VPS entails. What needs to be … Read more

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