Category: Cloud
In this post we'll explore our first steps in the OCI EU sovereign cloud
Explore the hidden complexities of PaaS services and learn practical strategies to manage them effectively, ensuring simplicity, speed, and efficiency in cloud computing.
In a previous article I discussed accessing a static web application (a Vue 3 application) stored on OCI Object Storage through API Gatyeway. In this article I used a …
I have been working on a Vue 3 web application. It allows the user to upload photographs and it will display the locations where these photos were taken on …
It is tempting to consider the cloud a limitless of resources that are always available to us to provision our services from. However, that is of course too simplistic. …
As reported by Microsoft: “Starting at 01:57 UTC on 21 January 2024, customers using Azure Resource Manager might experience errors when trying to access the Azure Portal, Azure Key …
Microsoft provided valuable insight into the behind the scenes situation for a global network incident that happened about a year ago. In this article, I try to summarize my …
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 …
Over the last few days, in this pre-Holiday season period, Oracle has released a number of interesting new services and updates to existing services. I plan on exploring them …
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 …
There are two public cloud. AWS and Azure. That is not actually the case – but that is how sometimes it may seem. A third cloud is frequently listed …
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 …
In our daily work we are dealing with data from many sources. Data in CSV files, from Cloud APIs, in mail servers, configuration files, Terraform plans, in logging systems, …
How to be prepared for a black swan scenario?
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 …
Automation through infrastructure as code is the name of the game. And I am a player in that game. In the last few weeks I have spent a lot …
Oracle Cloud Infrastructure has a free DevOps cloud service that includes build and deploy pipelines in addition to source code and artifact repositories. I have written about OCI DevOps …
I have just spent way too much time on finding the way to the Oracle IDCS console from within my OCI (Oracle Cloud Infrastructure) console. I was reading a …
This article introduces Build Pipelines and Code Repositories in OCI DevOps (released on October 26th 2021) – complementing the Artifact Registry and Deployment Pipelines that were first launched in …
Deployment is a term used frequently and often casually in software engineering. A term that for a long time was a bit cryptic to me. What exactly is deployment …
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 …
Since we provide support for several clients in OCI, we regularly need to login into different OCI-tenancies. How nice would it be to have Single Sign-On (SSO) functionality between …
TL;DR – Multi Client Sessions can be facilitated in a fully serverless fashion. Two players playing Tic Tac Toe or Chess, teams collaborating on a document or diagram, an …
I’m a regular user of GitHub. Recently I discovered GitHub also has a build-in CI/CD workflow solution called GitHub Actions. Curious about how this would work I decided to …
Introduction Over the last years, as part of my consultancy experience, I had the chance to work on several assignments tackling IT performance problems. In this post I will …
Introduction In the previous two blogs , I showed that it is is possible to implement a Windows Failover Cluster in AWS. In this blog, I will explain the …
Introduction In the previous blog I showed the different solutions that there are to migrate an on-premise Windows Failover Cluster environment to AWS. I also showed how fast (or …
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 …
Introduction We are in production with our shop example . We’d like to get some statistics about our implementation: how often are the Lambda functions called? How fast are …
Introduction Our shop example is now in production, wohoo!!! When you are using our example program in production, you might see that some sales are updated multiple times in …
Introduction When you follow along in this series , you might have been irritated by the amount of work to test your functions. It isn’t a problem to test …
Introduction In the previous blog, I talked about unit tests of the AWS Shop example . Today, I will continue with a smoke test and a performance test. Smoke …
Introduction In the last six blogs , I showed you an application that used AWS to process the sales from a cashing machine. This series continues with tests for …
Introduction Last time, I talked about the API Gateway . The URL that we used last time has randomness in it: it looks like https://54dwcigu3a.execute-api.eu-west-1.amazonaws.com/prod/shop. When you destroy the …
Introduction The ultimate goal of our shop application is to update the AMIS-shop table in the DynamoDB service. In this blog, I will tell a little bit more about …
Introduction Today we’ll look at the AWS Simple Notification Service. We have two of them in our shop: one to get messages from the accept-lambda function and send them …
Introduction In the previous blog , I wrote about an example shop application in AWS. Let me show the AWS architecture of this shop again: In this blog, I …
Last week I presented on Apache Kafka – twice. Once to a group of over 100 students, once to 30+ colleagues. In both instances, I invited attendees to partake …
