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 ..

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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 ..

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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 ..

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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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Introduction Linux’s distributions (Ubuntu, CentOS, RHEL) and other Unix-like operating systems have the time-based job scheduling daemon known as Cron. Cron is excellent for automating chores connected to maintenance since it works in the background and actions planned with it, known as “cron jobs,” are carried out automatically. This tutorial offers instructions for scheduling jobs ..

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