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Jeremy Theocharis
15 Courses Published
Guides (15)
Articles (15)
Activity
An Architect's Guide to Data Modeling in Manufacturing in UNS-based Architectures
Connecting Node-RED to SAP SQL Anywhere with Custom Docker Instance
How to Install Tailscale on Flatcar for VPN Access
Connecting the UMH to Azure
Fixing No Connection to MQTT due to Pod Timeout
Setting Up a UniFi Controller on Kubernetes with Flatcar and Traefik
Changing the Timezone in Node-RED
Fix No Pods Showing Up in UMHLens / OpenLens
How to Open Ports and Access Services Using k3d in the United Manufacturing Hub
Featured
United Manufacturing Hub Community Repository - Grafana and Node-RED Templates
How to Increase Disk Size in k3OS VM Installed in Proxmox
Fix "Failed to send Kafka message: microservice name is empty" Error in Sensorconnect
How to Fix the OEE Not Showing Up in v0.9.11
Publications
3. Industrial Internet of Things (IIoT)
2. Operational Technology (OT)
Local minikube installation
Installing k3OS on Proxmox
Local virtual machine installation using k3os
How to Connect UA-Expert with the OPC-UA Simulator
[FLOW] Fetching data from factoryinsight
Using Kafka Messages in Node-RED
Providing access from the PLC network to the internet
Installing Tailscale on the TELTONIKA/Factorycube Router RUTX11
Setting up Port-Forwarding in UMHLens / OpenLens
Resolving 'EXECABORT Transaction discarded because of previous errors' Error in ChirpStack and Redis
How to fix "Error while proxying request: x509: certificate is valid for ..." error
Installing an operating system from USB stick
Flashing an operating system onto a USB-stick
Using Grafana Canvas to build shopfloor dashboards
1. Information Technology (IT)
How to connect to Tulip
Setting up UMH on RHEL / Rocky Linux in Proxmox
How to Change Networking in Flatcar
Setting up MQTT Explorer for Monitoring MQTT Messages
Using Kowl for inspecting messages
Installation guide for the United Manufacturing Hub using k3os
Installing mqtt-datasource in Grafana
Resolving 'Can't Read Superblock' Error in Proxmox
How to Set the Correct Time in Edge Devices (e.g., K3OS)
Adding Additional SSH Keys to k3OS
Enabling Password Authentication for SSH in k3os
What can I do for when my 'certificate is not yet valid'?
How to Add a User to the Docker-Users Group in Docker Desktop
How to Prevent Certificate Errors in the OPC-UA Simulator
Using benthos with the United Manufacturing Hub
How to Fix Negative Values (Garbage Values) Returned by PLC Data Tags
How to Recover Accidentally Deleted or Changed Node-RED Flows
How to Get Missing Plugins in Node-RED
How to Install New Nodes/Plugins in Node-RED
How to Fix "The workspace contains some nodes that are not properly configured" Error Message
How to Change the Language in Node-RED
How to fix broken Node-RED flows?
How to fix 'Cannot GET /' error in Node-RED?
Troubleshooting Networking Issues in Windows and Linux
Finding the IP of a VM or device using nmap
Troubleshooting "Unable to Build Kubernetes Objects" Error When Installing Helm Chart
Updating k3OS to the Latest Version
What to do when error 'failed to download' is displayed in UMHLens / OpenLens while upgrading the Helm Chart?
Restarting a Pod in UMHLens / OpenLens
How to troubleshoot Kubernetes (external)
Troubleshooting "Has no Deployed Releases" Error During Deployment
How to activate metrics in UMHLens / OpenLens
How to create a new Kubernetes resource
Changing temporarily the version of a Docker container in Kubernetes
What to do when 'RELEASE' is not found when updating the Helm chart?
Restarting a StatefulSet in Kubernetes Using UMHLens / OpenLens
How to fix the error 'Data is missing a number field' shown in Grafana?
Connecting to a Linux device with SSH
Trace the origin of MQTT messages in VerneMQ
How to Add the United Manufacturing Hub Helm Repo to OpenLens / UMHLens
How to visualize and manage long and complex Node-RED flows?
Agile in the manufacturing industry
User's Activity : 2023
Transforming Factories into Software Systems: A Visionary Chat with Dr. Josef Waltl
Jeremy Theocharis
Stream Database Changes to the Unified Namespace Using the UMH and Debezium
Jeremy Theocharis
Plant-centric Infrastructure and Unified Namespace: An Interview with Bodo Körber
Jeremy Theocharis
Integrating the Unified Namespace into Your Enterprise Architecture: An Architect's Guide
Jeremy Theocharis
v0.9.14: Streamlining Operations with Redpanda & Optimized Resource Usage
Jeremy Theocharis
The High Compression Deception: A Reality Check on Historians vs Open-Source Databases
Jeremy Theocharis
Why designing your own IT / OT infrastructure is harder than you might think - 10 Pitfalls and how to avoid them
Jeremy Theocharis
United Manufacturing Hub Community Meeting: Explore Real-World Use Cases
Jeremy Theocharis
Open-Source Docker Container for Seamless OPC-UA Integration with Unified Namespace (MQTT / Kafka)
Jeremy Theocharis
United Manufacturing Hub Relicensed to Apache 2.0: Our Offering for System Integrators And Other Vendors In The Industrial IoT
Jeremy Theocharis
v0.9.10 & v0.9.11 of the United Manufacturing Hub
Jeremy Theocharis
Celebrating 2 years of revolutionizing the manufacturing industry
Jeremy Theocharis
Flatcar as the operating system of the Industrial IoT
Jeremy Theocharis
Comparing MQTT Brokers for the Industrial IoT
Jeremy Theocharis
The United Manufacturing Hub as Open-Source Historian
Jeremy Theocharis
Historians vs Open-Source databases - which is better?
Jeremy Theocharis
Tools & Techniques for scalable data processing in Industrial IoT
Jeremy Theocharis
Combine all shop floor data with work instructions
Jeremy Theocharis
An introduction into certificates and secure communication in IoT for normal people
Jeremy Theocharis
Why are our networks open by default and how do I protect my valuable industrial assets?
Christian Proch
Node-RED in Industrial IoT: a growing standard
Jeremy Theocharis
Why we chose TimescaleDB over InfluxDB
Jeremy Theocharis
![[FLOW] Fetching data from factoryinsight](/cdn-cgi/image/height=288,width=358,fit=cover,quality=100//content/images/2023/02/2023-02-22_15h46_21.png)
