What are the basic server requirements for hosting a server that can run nodered, mysql and mqtt?

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The basic server requirements to host a server that can run Node-RED, MySQL, and MQTT are:

1. Operating System: Linux (Ubuntu, Debian, CentOS, etc.) or Windows Server.

2. Processor: Dual-core or higher processor (minimum 2 GHz per core).

3. RAM: 2GB or higher (depending on the number of devices and the amount of data you plan to store and process).

4. Storage: At least 20GB of free disk space for OS, applications, and data storage.

5. Network: Stable and reliable internet connection with a static IP address.

6. Node-RED: Latest version of Node-RED 1.x.x installed.

7. MySQL: Latest version of MySQL 5.x or higher installed.

8. MQTT: Latest version of MQTT (Mosquitto) 1.x.x installed.

9. Firewall: Set up a firewall to protect your server.

10. Security: Enable SSL encryption for secure communication between the server and connected devices.