Posts Tagged ‘node red’

Help! All my nodes and flows disappeared!

While this is something that you will not see in normal circumstances there is a situation in which it might seem you lost all your flows in Node-RED. I noticed this (intended) behaviour while creating and copying virtual machines running Node-RED. It wasn’t the process of copying itself that caused the flows to dissappear but…

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Real time object/people detection with Node-RED and Yolo

yolo logo

A few weeks ago I came across Yolo (you only look once), an object detection system build on the darknet neural network platform. Until then I wasn’t spending my time with machine learning and neural networks. But Yolo got me triggered. At home I have some IP camera’s watching the house using ZoneMinder. Unfortunately I…

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Autostart Node-RED on Ubuntu server

Node-RED logo

In a previous article I explained how you can install Node-RED on your Ubuntu server. Quite a few people are wondering how you can configure your server to start Node-RED automatically on system boot. That’s what this article is all about: start Node-RED as a service when the server starts. The procedure is simple, as…

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Setting the timezone in Node-RED

Today I was strugling with the node red ‘time range switch’. I noticed it was switching at a different time I intended. After some research I came to the conclusion the timezone setting for Node RED was wrong even with the server timezone set correctly. After figuring out the root cause setting the timezone in…

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Installing Node-Red on Ubuntu 18.04 server

Node-RED logo

After running node-red on Ubuntu lts 16.04 for a while it was time for an update with Ubuntu 18.04 being released. Unfortunately I was not able to get Node-Red installed with the tutorials that could be found for Ubuntu 16.04. The installation always gets stuck in a permission-issue-loop 12gyp WARN EACCES user "root" does not…

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