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- SCADA Real Time Data and Apache SPARK
- Access to relational databases with WinCC Unified
- Collect Factory data and write it to Kafka, with the Automation Gateway…
- WinCC Unified V18 exposed to the Internet…
- GraphQL for Unity with WinCC Unified
- WinCC Unified GraphQL Server for Data Integration
- AWS AppSync query with Cognito User Pool
- AWS AppSync Real-Time Support for GraphQL for Unity…
- Apollo 3.0 Websocket Protocol for GraphQL for Unity (V1.5.0)
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Category Archives: Allgemein
How to log OPC UA tag values to Apache Kafka…
In this article we use the Frankenstein Automation Gateway to subscribe to one public available OPC UA server (milo.digitalpetri.com) and log tag values to Apache Kafka. Additionally we show how you can create a Stream in Apache Kafka based on … Continue reading
Automation Gateway with Apache IoTDB…
The Frankenstein Automation Gateway can now write OPC UA tag values to the Apache IoTDB. Did some rough performance tests with 50 OPC UA servers and one IoTDB… the IoTDB is pretty impressive fast. Also the data model and terminology … Continue reading
Posted in Allgemein, Frankenstein
Tagged IoTDB, OPCUA
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Let’s Encrypt Certificate with WinCC OA on Windows
This is a manual way to get and use Certificates from Letsencrypt with the Webserver (ULC UX) in WinCC Open Architecture. You have to update the certificate manually before it expires. Temporarily configure IIS (HTTP) to get a new certificate … Continue reading
Posted in Allgemein
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MQTT and GraphQL Gateway for OPC UA
Here is an OPC UA gateway with which you can access your OPC UA values via MQTT and GraphQL (HTTP). If you have an OPC UA server in your PLC, or a SCADA system with an OPC UA server, you … Continue reading
Posted in Allgemein
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Flutter: iproxy cannot be opened because the developer cannot be verified
sudo xattr -d com.apple.quarantine flutter/bin/cache/artifacts/usbmuxd/iproxy
Posted in Allgemein
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Mount Disk Image on Linux
If you have created a backup of a disk with dd: dd if=/dev/sdb of=image.img bs=4096 then you can create loop back devices with partitions: losetup -f -P ./image.img losetup -a then you can mount partition: Another hint: Copy files with … Continue reading
Posted in Allgemein
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How to enable remote docker API…
Create a file “override.conf” in /etc/systemd/system/docker.service.d Reload and restart the Docker daemon: Now you can connect for example the Siemens Industrial Edge Publisher to the Docker engine and create a Industrial App from images on your Docker host.
Posted in Allgemein
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Mount NFS share on Windows…
Linux: /etc/exports add a line /home/vogler *(rw,no_subtree_check,insecure) exports -a In this example we do it very insecure… Windows: mount -o anon <hostname>:/home/vogler z:
Simple GraphQL requests…
A GraphQL server can also be queried with a simple GET request:
Posted in Allgemein
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SSH Keep Alive
Lot of times my ssh session get broken because I didn’t do anything for a while. Sometimes I have started “top” just that the connection does not get broken because of inactivity. But this is not really what I wanna … Continue reading