#0 How to install Node-RED

Node-RED is an open-source programming tool, based in NodeJS, to develop applications in order to interact with different hardware's. Also, Node-RED provides a browser editor that makes it easier to program and configure your own applications.    

See more information about Node-RED in the official website:


How to install Node-RED

The first step of this course will be how to install Node-RED on your personal computer. Before installing Node-RED, we must install Node.js and npm.

You may need to run:

sudo apt install build-essential git curl 


First to ensure npm is able to fetch and build any binary modules it needs to install.


At the Node-RED website, there is provided a script to install Node.js, npm and Node-RED, that works on any Debian-based operating system, including Ubuntu and Diet-Pi. The script can also be used to upgrade an existing install when a new release is available:

bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)

Running the command above will download and run the script. If you want to review the contents of the script first, you can view it on Github:

https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered

Windows OS

Type to the command prompt:

npm install -g --unsafe-perm node-red

Type to command line:

sudo npm install -g --unsafe perm node-red

Take a look on the official installation guide to know more details: 

Once you have installed the Node-RED you are able to proceed with the next chapter of the course.

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