Fixing XFS Metadata Corruption on Rocky Linux
XFS metadata corruption can prevent your Rocky Linux system from functioning properly. This guide will show you how to identify the issue and repair the corrupted filesystem.
Jeremy Theocharis
Latest
benthos
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Mastering Data Transformation with Benthos and Bloblang in 19 Examples
See how to work with Benthos and Bloblang—explained in 19 different examples, from Base64 encoding/decoding to TCP/IP communication and enriching messages from an SQL database.
k3s
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How to Manage Kubernetes Clusters Without Using kubectl
Discover 3 alternative methods to manage Kubernetes clusters without relying on kubectl. This article covers terminal-based k9s, the open-source OpenLens and its successor Lens Desktop, web-based Headlamp, and the traditional command line approach.
Kafka
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How to Manage Retention in Redpanda on UMH
Learn to use Redpanda on UMH with our technical guide. Find out how to manage storage and improve performance. Perfect for UMH users and Redpanda fans.
Troubleshooting Sudden System Restarts on Rocky Linux
Troubleshoot sudden system restarts on Rocky Linux with our step-by-step guide. Learn to verify reboot history, analyze crash dumps using specialized tools or text editors, inspect system logs, and leverage ChatGPT for interpreting errors.
Kafka
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Exposing Redpanda/Kafka Externally in United Manufacturing Hub (UMH)
Learn how to expose Redpanda (Kafka) externally in the United Manufacturing Hub (UMH) by adjusting Helm chart values. This guide offers step-by-step instructions, covering prerequisites, necessary commands, and key considerations to securely configure external access for Redpanda within UMH.
benthos
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Troubleshooting Modbus Exception Errors in benthos-umh
Learn how to troubleshoot and resolve Modbus exception errors in benthos-umh. This comprehensive guide covers common Modbus function codes, exception codes, and provides step-by-step solutions for diagnosing and fixing issues when deploying protocol converters using the Modbus plugin.
k3s
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How to Expose Grafana and Node-RED via SSL on the United Manufacturing Hub (UMH)
Learn how to securely expose Grafana and Node-RED on the United Manufacturing Hub (UMH) using SSL/TLS encryption. This advanced tutorial guides you through generating certificates, creating Kubernetes Secrets, and configuring Ingress resources to enable secure HTTPS access via custom domain names.
Videos
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Components of the Unified Namespace (UNS)
The Unified Namespace (UNS) offers a smarter, more scalable way to connect different components in industrial and IT/OT architectures. In this video, we cover the 5 basic components that enable it.
Videos
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Node-Red vs Benthos: When to use what for IIoT connectivity?
Whether you need rapid prototyping or a scalable, professional-grade solution, choosing the right tool is essential for your IIoT projects. Read more to understand the key differences between Node-RED and Benthos.
Cloud-Native Technologies on the Edge in Manufacturing
Read this article to know how modern "cloud-native" technologies such as Kubernetes, Grafana, and TimescaleDB can and must be combined with the traditional automation pyramid.
Opinion: OPC UA is the Peak of All That Is Wrong in Manufacturing
Thank you for your attention! Now, let's discuss a topic that is close to our hearts. We want to talk about OPC Unified Architecture, or OPC UA for short. We are not in competition with OPC UA. Rather, we are (frustrated) users of OPC UA, and what follows is our personal opinion.