Installation

Check installation instruction for different OS from this link: https://nodered.org/docs/getting-started/

Install Example for CENTOS

Verify if the installation was successful

Type in the command line interface  node-red   

The following information appears to prove that the installation has been successful

Login to nodered interface

Enter your public IP address followed by the port number 1880

example：http://xxx.xx.xx.xx:1880/

If you want to start nodered as a background process

Type in the command line interface   nohup node-red &

It will prompt after startup

After seeing the above information, press enter

Type in the command line   exit

The above is the installation and startup process of nodered. If you don't understand anything, you can go to the nodered official website. There are installation instructions for various systems. The address has a link at the top