OpenShift CLI oneliners to get your containers started quickly
Configuring assets in your OpenShift namespace usually involves a lot of clicking and typing in the GUI. For some, it involves juggling massive yaml files containing the same information, but…
Maarten Tijhof
5 juli, 2022
Protected: Signatures
At the moment, one of the hot topics in the world of Development is Zero Trust. This is an easy topic to explain: never trust and always verify. Before doing…
Dirk Janssen
10 september, 2021
Securing some SOAP
Recently, I had to implement a Soap Service. Nothing special, I just hadn’t done it in a while and was amazed at how easy it has become. Using some code…
Dirk Janssen
31 augustus, 2021
Setting up Splunk Connect for Kubernetes on Openshift 4.x with Helm
As part of our daily operations, our team and our customers use the company-wide Splunk application. Splunk is used to search through application logs and check the status of file…
Robert Jan de Groot
30 augustus, 2021
Traffic to multiple Openshift Clusters, a NodePortService usecase
In my previous post I’ve described how you can set up multiple infranodes with multiple ingress controllers, just in case you have to deal with some existing networks. But what…
Robert Jan de Groot
10 augustus, 2021
Setting up multiple Ingress Controllers on Openshift 4.x
When installing Openshift on-premise or in the cloud, by default you’ll get a single ingress controller. It’s the well known *.apps ingress controllers and it forwards all traffic from *.apps.yourcluster.yourdomain…
Robert Jan de Groot
10 augustus, 2021
HelloWorld: Micronaut, Docker, GraalVM, Kubernetes and Helm
No, it’s not a buzzword bingo, but a HelloWorld example. Many examples of Micronaut projects can be found online, but they almost all focus on Micronaut features. The project described…
Luc Gorissen
14 juni, 2021
Doorbreek het digitale plafond van cloud computing
Vanaf maart 2020 is gebleken hoe solide de Nederlandse digitale infrastructuur eigenlijk is. We zijn toen zonder noemenswaardige problemen, van de ene op de andere dag, massaal op afstand gaan…
Marc Kuijpers
11 juni, 2021
Micronaut vs Quarkus – Part IV: Going Native
One of the promises of both Micronaut and Quarkus is to make it easy to run microservices as native images. Native images promise faster startup times and a lower memory…
Roger Goossens
17 mei, 2021
Getting started with Quarkus
The last couple of years I have worked and experimented a lot with injection frameworks. New frameworks like Micronaut and Quarkus in my personal environment, while professionally working primarily with…
Dirk Janssen
15 april, 2021
Fixed vs Growth Mindset: how to (not) limit yourself
Inevitably, in IT we keep learning new things all through our careers to be able to keep up with the ever changing digital future. This is no different from other…
Stephan Vos
15 februari, 2021
Adding USB devices to your containers
While this may seem like an uncommon scenario, it’s very useful to add USB devices to your containers. Imagine running Home Assistant in your container and having a Z-wave or…
Robert Jan de Groot
3 januari, 2021
How we installed Openshift 4.5 UPI with Static IP’s on VMWare
In this blogpost I’ll explain how we have set up Openshift 4.5 on a VMWare environment using the ‘User Provided Infrastructure’ installation method. Whereas Openshift 4,1 and 4.2 had mandatory…
Robert Jan de Groot
9 november, 2020
Business Intelligence and the stuff of dreams – Part 2: The magic of understanding what is happening now
In my previous blog I introduced you to TIBCO Spotfire and why it’s such a powerful tool. In this blog, I’ll show you that together with additional TIBCO components, it…
Eric Hans van Wingerden
10 september, 2020
Business Intelligence and the stuff of dreams – Part I: Introducing TIBCO Spotfire
Business Intelligence, Data Science, Big Data, Analytics: decades have passed since we first added these words to our day-to-day vocabulary. In fact, I have been talking about these subjects, implementing them,…
Eric Hans van Wingerden
3 september, 2020
Micronaut vs Quarkus – Part II: Micronaut First Contact
In the first part of the series we built a REST microservice using the well- known Spring Boot framework. Long overdue – let’s blame it on the summer season and…
Roger Goossens
19 augustus, 2020
How to implement AWS CLI access using SAML 2.0 and Active Directory Federation Services ?
AWS supports identity federation using SAML (Security Assertion Markup Language) 2.0. Using SAML, you can configure your AWS accounts to integrate with your identity provider (IdP). Once configured, your federated…
Jan van Zoggel
3 augustus, 2020
Spring Cloud Config Server with Camel
First of all, a disclaimer: this post will outline an interesting solution to an interesting problem that only exists due to the infrastructure being as it is and choices what…
Thomas Janssen
4 juli, 2020
Quarkus and Apache Camel
One of the biggest arguments against Java that is always coming up in discussions is the fact that it is bloated. In comparison to some other (newer) languages I always…
Dirk Janssen
9 juni, 2020
iPaaS, a technological synonym for a Digital Business Platform?
In my last blogpost I emphasized on the importance of an iPaaS for digital businesses and the ability to support “a wide variety of endpoints and data formats, domains, constituents…
Rubén Middeljans
8 juni, 2020