RabbitMQ is an open-source message broker that enables reliable communication between distributed systems. It supports various messaging protocols and is highly extensible through plugins, making it a useful tool for integrating different applications and ensuring efficient message handling. This article explains the steps to install and secure RabbitMQ on Ubuntu 22.04. Before you begin: * Have an [Ubuntu 22.04 server](https://www.vultr.com/servers/ubuntu/). * Create a [domain name A record poin......