Advice

How do I start Node-RED on startup?

How do I start Node-RED on startup?

It makes it easy to run applications on boot and ensure they are restarted if necessary.

  1. Install PM2. sudo npm install -g pm2.
  2. Determine the exact location of the node-red command.
  3. Tell PM2 to run Node-RED.
  4. Tell PM2 to run on boot.
  5. Reboot.

What can Node-RED run on?

If you are on a Raspberry Pi or any Debian-based operating system, including Ubuntu and Diet-Pi, you can use the Pi install script available here. If you are on an RPM-based operating system, including RedHat, Fedora and CentOS, you can use the RPM install script available here.

Is Node-RED preinstalled in Raspbian?

We’re excited to announce that as of the November 2015 release of Raspbian Jessie, Node-RED now comes pre-installed on the image you can download from Raspberry Pi directly.

How do I start a pm2 service?

Process management

  1. # start and add a process to your list pm2 start app.js # show your list pm2 ls # stop and delete a process from the list pm2 delete app.
  2. # kill the process but keep it in the process list pm2 stop app # start the process again pm2 start app # both stop and start pm2 restart app.
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Why should I use Node-RED?

Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways. It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single-click.

Is Node-RED useful?

Node-RED allows you to create functionality by wiring together flows of data between nodes using a browser. And it has gained tremendous popularity in the IoT space, by modeling bits of application functionality between IoT devices like sensors, cameras, and wireless routers.

Is Node-RED production ready?

Node-RED is battle-tested, open-sourced, and production-ready.

Is Node-RED a MQTT broker?

Many users will run an MQTT broker such as mosquitto on the same Raspberry Pi or PC that Node-RED is running on. Once you have an MQTT input or output node in your flow, you create an MQTT Config node by clicking on the Server configuration pop-up and selecting Add an MQTT broker… .

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How do I know if pm2 is running or not?

To get an overview of the processes currently managed by PM2, you can print out a comprehensive list using the command line utility. The output shows basic information about the running processes like app name and id, the mode ( fork or cluster ), status, uptime, memory footprint, etc.