Fail2ban is an open-source tool that provides a simple way to protect your server from brute-force attacks. It does this by monitoring log files and banning any IP addresses that repeatedly fail authentication attempts. This article will guide you through the process of installing and configuring fail2ban on a Linux server on most known distributions ..
Category : Linux system administration
OpenVPN is a free, open-source VPN (Virtual Private Network) software that allows you to securely connect to a remote network over the internet. In this article, we will guide you through the process of installing OpenVPN on an Ubuntu server 18.04/20.04/22.04. Method 1: Installing OpenVPN using a Script. First, get the script and make it ..
Introduction Minecraft is a popular sandbox video game that was created by Markus Persson and developed and published by Mojang Studios. In Minecraft, players explore a blocky, procedurally generated 3D world and can build structures, craft items, and engage in other activities. A Minecraft server is a dedicated server that allows players to connect to ..
sed is a stream editor in Linux that is used to perform basic text transformations on an input stream (a file or input from a pipeline). This guide will provide examples of how to use the sed command. Syntax The basic syntax of the sed command is as follows: options: optional flags to modify the ..
Introduction The Linux & Unix cat command is a useful utility for displaying the contents of a file, but it can do much more. It is one of the most commonly used commands in Linux, and it is often used in combination with other commands to perform powerful operations. In this guide, we will look ..
FTP (File Transfer Protocol) is a commonly used protocol for exchanging files over the Internet. It allows users to upload, download, and manage files on a remote server. Setting up an FTP server on an Ubuntu 18.04 20.04 22.04 LTS can be useful for a variety of purposes. In this guide, we will discuss how ..
MongoDB is a popular NoSQL database that is widely used for storing and managing large amounts of unstructured data. In this guide, we will show you how to install MongoDB on Ubuntu 18.04, 20.04, and 22.04. Prerequisites Before starting, you will need the following: An Ubuntu 18.04, 20.04 and 22.04 or Debian Operatin System. Root ..
Introduction Virtual hosts allow you to serve multiple websites on a single server. This can be useful if you want to host multiple websites on a single server, or if you want to move an existing website to a new server. In this guide, we will show you how to set up virtual hosts on ..
Nginx is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption. This guide will show you how to install and configure Nginx on your CentOS/Red Hat 7 server. Step 1 : Installing Nginx ..
Introduction Iptables is a powerful Linux utility that allows system administrators to configure the kernel’s built-in firewall. Iptables uses a set of rules to determine how to filter network traffic. Each rule specifies what type of traffic to filter and what action to take on matching traffic. In this guide, we will discuss some basic ..
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