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.

How to access files on remote Linux devices?

How can I easily read and write files and folders on remote Linux devices? Use a VPN to securely abstract away the network and firewall.

ShipMonk uses for embedded device management

How ShipMonk manages hundreds of embedded Linux devices with qbee device automation.

Industry 4.0 and the VPN question – security risk or valuable tool?

If you are working with industrial IoT and industry 4.0 you will eventually encounter a very important question:Should we design our IIoT project with or without VPN access?On the one hand side a VPN...

We now have 31 billion devices connected to the internet – How can we stay in control?

Data driven buildings and the importance of fleet / device management.

The IoT Security Challenge and Regulatory Responses

An overview over IoT security challenges and current active regulations as well as a future outlook.

Electricity monitoring via Modbus with Node-Red and Schneider PowerTags on a RPI

Tutorial how to use Node-Red headless in production using Modbus and Schneider PowerTags

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