Node-RED uses flows_.json as the default flows file. ![]() If the Projects feature is enabled, this identifies which project should be started. If the Projects feature is not enabled, this sets the flow file you want to work with. When you deploy your changes, the flows are then started. This allows you to open the flows in the editor and make changes without the flows running. Install Node.js using NodeSource PPA Install Node.js using NVM Test the Node.js server Conclusion Node.js is an open-source, cross-platform runtime environment for developing server-side and networking applications built on Chromes V8 JavaScript engine. Starts Node-RED without starting the flows. Sets the TCP port the runtime listens on. Node-RED can be started using the command node-red. This by providing the flow file name as argument to the node-red command. The name of the flows file it is using.The location of your Settings file and User Directory.Any errors hit when it tried to load the palette nodes.You can then access the Node-RED editor by pointing your browser at The log output provides you various pieces of information:
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