Categories
00 - Cloud-Native App Dev

How to accelerate your cloud-native AppDev with knative Java and OpenShift

Quarkus is the bright new star in the cloud-native App Dev universe! Quarkus is Red Hat’s upstream stack for Kubernetes native Java. Its characteristics are simple: Quarkus is small! Quarkus is fast! Quarkus is familiar! … and Quarkus makes Java relevant again in the cloud-native world where everyone talks about lightweight architectures, event-driven paradigms, container […]

Categories
00 - Hybrid Cloud Infrastructure

Mystery Hybrid Cloud! What are its riddles and when do I need it actually?

I’ve been in IT since 2001 and countless times I did notice that people are confused by all these “Cloud” “Buzzwords”. Therefore, in this brief article I want to give a short explanation what actually is a “Hybrid,- Multi Cloud Approach”?  In our new digital world, digitalization needs to be adapted in every company, regardless […]

Categories
00 - IT Automation & Management

Ansible and Terraform Integration

Ansible & Terraform – together or against? I’ve worked in open source infrastructure consulting for more than 15 years and have used a fair number of the usual suspects from the automation space during this time. Home-brewn scripts, CFEngine, Puppet, to just name a few. When Red Hat acquired Ansible I was really excited, dove […]

Categories
android ios Red Hat Mobile

Integrating Flutter with Red Hat Mobile

How to create a mobile app which will invoke a simple service running on Red Hat Mobile with Flutter and deploy it to iOS and Android

Categories
cloud computing Google Cloud IoT

Receiving and Storing Sensor Data with Google Cloud Dataflow and Cloud Storage

This blog continues the blogs: Mongoose a new way to program ESP8266 Preparing Google Cloud IoT Core to Receive Messages Let’s talk to Google Cloud IoT Core In the previous blog we connected our ESP to Google Cloud IoT Core, now it’s time to actually do something with the data provided by our sensor. In […]

Categories
Uncategorized

Connecting Kura to Kapua

In the past articles I independently sat up an Eclipse Kapua service using Docker containers and installed Eclipse Kura on a Raspberry Pi. Now its time to connect these and see what happens. Preparing Kapua At first, since Kapua is a multi-tenant installation, we need to create an organisation and an admin user in this […]

Categories
IoT

Let’s talk to Google Cloud IoT Core

This blog continues the blogs: Mongoose a new way to program ESP8266 Preparing Google Cloud IoT Core to Receive Messages and will cover how to change the ESP8266 Code for the sensor to be able to communicate with Google Cloud IoT Core. Connecting the ESP to your computer If you have disconnected your ESP from […]

Categories
IoT

Preparing Google Cloud IoT Core to Receive Messages

In this blog we will connect the Mongoose OS based ESP8266 with Google Cloud IoT Core and Google Cloud Pub/Sub, which we will be using for it’s MQTT Broker capability. We will not cover the basics of handling and navigating in Google Cloud Console, if you are new to it, please do look at the learning […]

Categories
IoT Uncategorized

Mongoose a new way to program ESP8266

In previous blogs, I have used Arduine-IDE to develop code for the ESP8266. It was a nice and convenient way, suitable for me with a background in development. Recently I came across a new technology, that I wanted to give a try: Mongoose OS Similar to my previous setup, I will be using a NodeMCU […]

Categories
eclipse IoT Linux open source

Installing and running Eclipse Kura on a Raspberry Pi B (Model 1)

Now that I have a running Kapua instance, its time to look at the network edge to gateways and devices. Eclipse Kura is a Java/OSGi-based framework for IoT gateways. A gateway is a devices that is distributed at the network edges and communicates with sensor or steering devices using cables, Bluetooth or other private networks. Sins […]