0 JavaScript Generators – How functions return a stream of results, yielding one result at a time
It was through inspecting some Python code that relied quite heavily that I suddenly realized the beauty of the ES6…
0 Using Vagrant and shell scripts to further automate setting up my demo environment from scratch, including ElasticSearch, Fluentd and Kibana (EFK) within Minikube
For training and demo purposes, on my windows laptop, I needed an environment with a guest Operating System, Docker and…
0 Newly released: Oracle Exadata X8-2 – bigger disks for saving money, expanding capacity
Earlier this month, Oracle announced the availability of the latest Exadata machine, the X8-2. As well as the option to…
0 Creating a Report of available ASM candidate disks from the OEM Repository
A while ago I was reviewing the metric extensions of our Enterprise Manager Cloud Control 13.2.0.0, we use to administer…
0 Extremely convenient way to run free Oracle Database 18c on your laptop – or anywhere else – using Vagrant & Virtual Box
Oracle Database 18c XE (eXpress Edition) is the free community edition of the enterprise edition of Oracle Database. Oracle Database…
0 INS-08106 using 12.1 dbua on a server with 12.2 databases
When you want to upgrade a 11.2 database to 12.1 on a (linux) server with 12.2 databases, you get a…
0 ADF Performance Monitor: Error Diagnostics
Application errors are often hard to retrieve, or take a lot of time to resolve. When you are suffering from…
0 Updating running Kubernetes resources from the kubectl commandline using the patch command
All too often I found myself editing Kubernetes resource definitions in the Kubernetes Dashboard. Modifying for example the type of…
0 Running Apache Kafka on Minikube
I frequently want to demonstrate the working of Apache Kafka and/or provide colleagues and other audiences with an environment for…
0 6 tips to make your life with Vagrant even better!
HashiCorp Vagrant is a great tool to quickly get up and running with a development environment. In this blog post…
0 Customer Case: New Server Infrastructure Halves Server Process Time
Recently I was analyzing and troubleshooting the performance of an ADF application. Much was already improved before I came. Due…
0 Serverless Node Function on Oracle Functions runs periodically to produce CSV report on Oracle ObjectStorage from data in ElasticSearch
This article highlights a use case implementation I recently implemented (for a demo session) leveraging Oracle Functions as well…
0 Invoke an Oracle Function on Oracle Cloud Infrastructure from a Node application
Oracle Functions is currently in limited preview and is expected to soon reach wider availability. Rolando Carrasco did this write…
1 Save File to Oracle Cloud Infrastructure Object Storage from Node through REST API
Oracle Cloud Infrastructure Object Storage is a public cloud service for storing data to which you need fast, immediate, and…
1 Using Helm, the package manager for Kubernetes, to install two versions of a RESTful Web Service Spring Boot application within Minikube
In my last article I described how two versions of a RESTful Web Service Spring Boot application were used in…
0 What is Apache Drill and how to setup your Proof-of-Concept
Apache Drill is a schema-free SQL query engine. Drill supports a variety of NoSQL databases and file systems, including HBase,…
0 Exposing Kubernetes Services to the internet using Traefik Ingress Controller
Three services have been deployed to my Kubernetes cluster running on a public cloud environment. These services expose port for…
0 Using a RESTful Web Service Spring Boot application in Minikube, together with an external “Dockerized” MySQL database
In a previous article, I talked about an environment, I prepared on my Windows laptop, with a guest Operating System,…
0 Blaming and Praising Room Occupiers Using Outlook API, InfluxDB, IoT and Azure serverless functions
At our offices, we suspect that rooms are being booked but go unused when the booker claimed to need it.…
0 Filesystem events to Elasticsearch / Kibana through Kafka Connect / Kafka
Filesystem events are useful to monitor. They can indicate a security breach. They can also help understanding how a complex…