Running Kubernetes 1.10 using MiniKube on Windows 10 (adding kubectl and helm/tiller)

Lucas Jellema 1

Some quick steps to get Minikube for K8S 1.10 up and running on Windows 10 (presuming VirtualBox has already been installed) Download kubectl binary from: https://storage.googleapis.com/kubernetes-release/release/v1.11.0/bin/windows/amd64/kubectl.exe  Copy kubectl.exe to any directory of your liking; add that directory to the PATH environment variable. Download minikube from https://github.com/kubernetes/minikube/releases  Download the minikube-windows-amd64.exe file, […]

VirtualBox networking explained

Maarten Smeets 8

VirtualBox networking is extremely flexible. With this flexibility comes the challenge of making the correct choices. In this blog, the different options are explained and some example use cases are elaborated. Access between guests, host and other members of the network is explained and the required configuration is shown. This […]

Running Istio on Oracle Kubernetes Engine–the managed Kubernetes Cloud Service

Lucas Jellema

In a recent post, I introduced the managed Oracle Cloud Service for Kubernetes, the Oracle Kubernetes Engine (OKE): https://technology.amis.nl/2018/05/25/first-steps-with-oracle-kubernetes-engine-the-managed-kubernetes-cloud-service/. A logical next step when working with Kubernetes in somewhat challenging situations, for example with microservice style architectures and deployments, is the use of Istio – to configure, monitor and manage […]

First steps with Oracle Kubernetes Engine–the managed Kubernetes Cloud Service

Lucas Jellema 2

Oracle recently (May 2018) launched its Managed Kubernetes Cloud Service (OKE – Oracle Kubernetes Engine) – see for example this announcement: https://blogs.oracle.com/developers/kubecon-europe-2018-oracle-open-serverless-standards-fn-project-and-kubernetes. Yesterday I got my self a new free cloud trial on the Oracle Public Cloud (https://cloud.oracle.com/tryit). Subsequently, I created a Kubernetes cluster and deployed my first pod on […]

Java SE licensing

Job Oprel

There are several good blogs about this subject (like this one), and I never paid much attention to Java and licensing. Until one of our customers became a bit frightend after Oracle approached them with the question if they were really license compliant using Java. For many the words Java […]

Using Java Management Extensions within Oracle Enterprise Manager Cloud Control 13c

Steve Doeve

The answer to using Java Management Extensions(JMX) within Oracle Enterprise Manager Cloud Control is using Metric Extensions. Metric extensions provide you with the ability to extend Oracle’s monitoring capabilities. I will show you how to create an extension to monitor a WebLogic Messaging Bridge. You can use other methods to […]

Regenerate Oracle VM Manager repository database

Ronnie Kalisingh

Some quick notes to regenerate a corrupted Oracle VM manager repository database. How did we discover the corruption? The MySQL repository databases was increasing in size, the file “OVM_STATISTIC.ibd” was 62G. We also found the following error messages in the “AdminServer.log” logfile: ####<2018-02-13T07:52:17.339+0100> <Error> <com.oracle.ovm.mgr.task.ArchiveTask> <ovmm003.gemeente.local> <AdminServer> <Scheduled Tasks-12> <<anonymous>> […]

Dbvisit Standby upgrade

Roderick Christ

Upgrading to Dbvisit Standby 8.0.x Dbvisit provides upgrade documentation which is detailed and in principle  correct but only describes the upgrade process from the viewpoint of an installation on a single host. I upgraded Dbvisit Standby at a customer’s site with Dbvisit Standby in a running configuration with several hosts […]

Application Container Cloud Service (ACCS): Using the Application Cache from a Spring Boot application

Maarten Smeets

Spring Boot allows you to quickly develop microservices. Application Container Cloud Service (ACCS) allows you to easily host Spring Boot applications. Oracle provides an Application Cache based on Coherence which you can use from applications deployed to ACCS. In order to use the Application Cache from Spring Boot, Oracle provides […]