From Sensor to Customer – Automated Business Processes

From shop floor to top floor. A complete technology stack for business process automation implemented by 5 partners for industry 4.0 applications.

IT Security – know your neighbours

This demo shows the ssh port forward technique and what security implications this has for your network.

Embedded Linux remote file access

Embedded Linux remote file access across firewalls

Is qbee a good Teamviewer alternative?

Is qbee a good Teamviewer alternative? The answer is yes because it has many additional features.

Manage Node-RED and UIbuilder deployments with Github

A combination of Node-RED and the alternative Node-RED dashboard UIbuilder is a powerful combination to rapidly build IoT solutions. However, this leaves one key question unanswered:How do I deploy my Node-RED application into production...

Docker deployment of Node-RED with InfluxDB and Grafana

How-to manage a containerised technology stack consisting of Node-RED, InfluxDB and Grafana on a large number of remote edge devices?

How-to build a Raspberry Pi golden master image

Any time you want to use a Raspberry Pi or any other Debian based embedded system in production you should create a standard master image, often called a "golden master image". It is not...

Critical sudo vulnerability allows root privilege escalation

This is a how-to detect sudo vulnerability CVE-2021-3156 and how to patch large number of devices within 5 minutes.