We scaled IoT – Eclipse Hono in the lab
Working for Red Hat is awesome. Not only can you work on amazing things, you will also get the tools you need in order to do just that. We wanted to test Eclipse Hono (yes, again) and see how far Read More …
Using PEM encoded X.509 certificates in Java
PEM is a well know file format when it comes to certificates. And when using Kubernetes (or OpenShift in my case) it is so easy to re-use the internal CA for some tasks. Except when it comes to Java. As Read More …
Eclipse Kura on the Intel UP² with CentOS
In the past I was testing modifications to Kura with a Raspberry Pi 3 and Fedora for ARM. But I got a nice little Intel UP² just recently, and so I decided to perform my next Kura tests, with the Read More …
Build your own IoT cloud platform
If you want to do large scale IoT and build your own IoT cloud platform, then you will need a messaging layer which can actually handle this. Not only handle the sheer load of messages, the number of connections. Even Read More …
CEP & Machine learning for IoT – Drools on Kura
Machine learning and predicate maintenance we are the role models of IoT use cases. Having an IoT gateway allows you to pre-process data before you send it upstream to your cloud. It also allows you to do local decisions, without Read More …
🔗 Varlink for Java – What wonderful world it could be
Varlink for Java is a Java based implementation of the Varlink interface. This blog post shows how varlink can be used in the Java world to solve the problem of accessing operating system functionality. Consuming operating system functionality from Java, Read More …
Manually reclaiming a persistent volume in OpenShift
When you have a persistent volume in OpenShift configured with “Retain”, the volume will switch to “Released” after the claim has been deleted. But what now? How to manually recycle it? This post will give a brief overview on how Read More …
OPC UA solutions with Eclipse Milo
This article walks you through the first steps of creating an OPC UA solution based on Eclipse Milo. OPC UA, also known as IEC 62541, is an IoT solution for connecting industrial automation systems. Eclipse Milo™ is an open-source Java Read More …
AsyncAPI Java Tools 0.0.4 released
It started a as proof-of-concept, checking out AsyncAPI and learning something about it. Actually that topic came to me from two different angles. We where looking into solutions for RPC over messaging (namely AMQP 1.0) instead of HTTP/REST. The second Read More …
Kapua micro client SDK, running on a microcontroller
A few weeks back, while being at EclipseCon France, I did stumble over a nice little gadget. There was talk from MicroEJ around Java on microcontrollers. And they where showing an IoT related demo based on their development environment. And Read More …