Category: Platform Technology
In my previous article, I shared with you the steps I took, to secure a local private registry in my demo environment and using it with Quarkus and K3s …
In my previous article, I shared with you the steps I took, trying out the Quarkus guide “Quarkus – Kubernetes extension” (again 😊) and also the steps to install …
In my previous article, I shared with you the steps I took, trying out the Quarkus guide “Quarkus – Kubernetes extension” (again 😊) and also the steps to further …
You probably know how this works: you start learning AWS, get a free tier account, work with it – play with it (yes, really, AWS is toys for adults). …
As of Oracle database release update 19.18 a new authentication method was made available utilizing Azure AD (Entry ID as its named by Microsoft recently) Oauth tokens. Using this …
Yesterday Oracle released their latest Autonomous database offering in a container image to try (most of) the Automous database technology without requiring access to the Oracle Cloud (OCI). This …
Many systems undergo routine maintenance, causing planned downtime usually outside regular working hours, often unnoticed by users. However critical systems can’t afford any downtime due to potential catastrophic consequences, …
Previously, for a TypeScript training, I needed an environment with Visual Studio Code and Node.js (a JavaScript runtime). In a previous article, I shared with you the steps I …
Introduction A few weeks ago I published a blog about secret rotation , I used the default Lambda functions for single user and multi users that are maintained by …
Platys is a tool created by Guido Schmutz, architect and data specialist at Accenture and frequent teacher at various universities. In order to be able to quickly create an …
You can customize the OpenShift Container Platform web console to set a custom logo, product name, links, notifications, and command line downloads. This is especially helpful if you need …
Some of the data used by Terraform to create cloud resources is sensitive and should not be stored in plain text in source code repositories. Examples are passwords, client …
This article describes how a Terraform plan can read configuration data at plan and application time from local or remote JSON documents to provide dynamic, easily and centrally maintainable …
Container Instances on Oracle Cloud Infrastructure are VM based environments that can be leveraged as “serverless” container runtimes. Once a container instance has been defined – which is a …
A Service Mesh can provide many facilities regarding traffic management between microservices – from simple routing and load balancing, producing telemetry to applying complex routing logic and security policies. …
Recently the OpenTelemetry project launched a demo application that demonstrates many aspects of instrumentation, metrics and trace gathering, providing insight across multi-service, multi-technology application stacks and in general how …
Two colleagues wanted to try out Kubernetes and more specifically deployment of an application on Kubernetes that was not entirely trivial. One that consists of at least two Pods …
A conference such as Devoxx is a great opportunity to get inspired into trying out tools and technologies that may not or only be vaguely be known as they …
For a demo, I needed an environment with Minikube, using the Podman driver as an alternative container runtime to the Docker driver. In my previous article, I shared with …
For a demo, I needed an environment with Minikube, using the Podman driver as an alternative container runtime to the Docker driver. Lucky for me, I had the configuration …
Running “docker compose” in a VM on Oracle Cloud Infrastructure is perhaps not the ideal way to go – which probably would be OKE (Kubernetes) in order to benefit …
Last week I passed for my RHCSA exam (EX200) . While I was studying for the exam, I asked myself which parts of this exam are still relevant when …
How hard can it be – to create the smallest possible container image to run a Go application? It is not hard to create a container image that contains …
How to be prepared for a black swan scenario?
One of the most exciting frameworks I have ran into into recent years is Dapr (dapr.io) – distributed application runtime. Dapr is a cross technology runtime framework that supports …
For many of my recent activities, I have not worked with or even on (knowingly at least) Kubernetes. So for many months I have not touched my OKE cluster …
In this blog I will explain how to generate static HTML pages from your projects Pydoc (docstring) comments with Sphinx. Then we are going to host it in an …
In this blog I will show you how to run a Jenkins agent that can use chrome from a docker container. The Dockerfile and docker-compose.yml file are explained in …
Oracle VM is end-of-life and is, since March 2021, in extended support1. In looking for a replacement hypervisor AMIS has turned to KVM. Oracle itself also uses KVM, albeit …
Introduction Some time ago, I wrote about the new preview feature in Azure Automation Accounts to use Managed Identities . I think that it is useful to migrate to …
Introduction I looked into virtual network peering peering in Azure and I saw something that looked rather strange to me. Let me explain what it was, how VNet peering …
In this blog, I will show how you can use the SAM (Serverless Application Model) to get a presigned upload URL to AWS S3 that can be used exactly …
In this blog I will show how you can use the SAM (Serverless Application Model) to get a presigned upload URL to AWS S3 that can be used exactly …
In this blog, I will show how you can use the SAM (Serverless Application Model) to get a presigned upload URL to AWS S3 that can be used exactly …
In June I wrote a blog series about the AWS Shop Example. In this series, I also wrote about X-Ray . I like X-Ray: you can see how much …
It took me a while, but then this blog series was ready: five blog articles about Windows Failover Clustering and Auto Scaling Groups with one node. I was happy, …
You might have wondered in the second blog of this series , why I mentioned the possibility that the Task Scheduler didn’t start after a reboot in the “on-premise” …
Introduction If you follow along in this blog series , I can imagine that if you deployed the CloudFormation scripts, that you think “wow, how does it work”. In …
Introduction In this series, I will look at the migration from on-premise Windows Failover Clusters to AWS. What is the difference in recovery times between the application on-premise, the …
In the organization I’m currently working for, the OS-patch schedule depends on PatchTuesday (PT) just as Microsoft, Adobe or Oracle are using. And PatchTuesday is, as you all know, …
