How to fix broken Node-RED flows?
This troubleshooting guide describes how you can recover Node-RED flows that are stuck in an endless loop of crashing.
Jeremy Theocharis
Latest
How to fix 'Cannot GET /' error in Node-RED?
This troubleshooting guide provides a solution for fixing the 'Cannot GET /' error in Node-RED, which appears when opening the application.
![[FLOW] Fetching data from factoryinsight](/content/images/size/w960/format/webp/2023/02/2023-02-22_15h46_21.png)
[FLOW] Fetching data from factoryinsight
This tutorial explains how to extract data from FactoryInsight and calculate the Overall Equipment Efficiency (OEE) of machines, which can be used to create production dashboards and other tools.
Using Kafka Messages in Node-RED
Learn how to send and receive Kafka messages in Node-RED using the node-red-contrib-kafkajs package.
Troubleshooting Networking Issues in Windows and Linux
This article provides instructions on how to troubleshoot common network issues on Windows and Linux machines, including checking network configurations, testing internet access, and verifying DNS settings. It also includes general tips for checking physical connections.
Finding the IP of a VM or device using nmap
This tutorial provides step-by-step instructions on how to find the IP address of a device or VM using nmap, assuming that the ports that the device has opened are known.
OPNsense
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Providing access from the PLC network to the internet
Sometimes machine vendors need remote access to the PLC. If they have a device installed inside of the machine that is trying to connect to the internet, then this tutorial is for you. By default, connections to the internet are disabled by default (and should keep being disabled)
Installing Tailscale on the TELTONIKA/Factorycube Router RUTX11
This guide provides instructions for installing Tailscale on the TELTONIKA/Factorycube Router RUTX11. Tailscale is a VPN service that provides secure network access to remote devices.
k3OS
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Troubleshooting "Unable to Build Kubernetes Objects" Error When Installing Helm Chart
This troubleshooting guide provides a solution for the error "unable to build kubernetes objects from release manifest" that may occur when installing a Helm chart.
k3OS
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Updating k3OS to the Latest Version
This guide provides instructions for updating k3OS to the latest version. Keeping k3OS up-to-date is important to ensure that the latest features and security updates are available and to enable smooth running of the United Manufacturing Hub cloud-init file.
What to do when error 'failed to download' is displayed in UMHLens / OpenLens while upgrading the Helm Chart?
Description: This troubleshooting guide provides a solution for the error "failed to download" that may occur when upgrading the Helm chart in UMHLens / OpenLens.
Restarting a Pod in UMHLens / OpenLens
This tutorial provides step-by-step instructions on how to restart a Pod in UMHLens, an open-source observability platform for Kubernetes.