What happens if the OpenTelemetry collector cannot send data? Will it drop, queue in memory or on disk? Let's find out which settings are available and how they work! To check how queuing works, I've set up a small test environment. This environment consists of several data sources (postgresql, col… read more

OpenTelemetry is often associated with modern microservices and cloud-native applications. What happens if we apply OpenTelemetry and modern observability techniques to something completely different? WordPress is the world's most popular weblog software. And it's also an almost 20 years old monolit… read more

In one of my talks about OpenTelemetry I got a great question: Where is the RFC of the OpenTelemetry protocol? I've found the answer for you. OpenTelemetry is a project managed by the Cloud Native Computing Foundation (CNCF). And the foundation doesn't make standards, but specifications. They explai… read more

Linear regression is a very simple, powerful tool to predict the future. Especially when directly implemented in sqlite. This article is based on data from my PV system. From which I want to predict three things: at what time the PV system starts to generate power, when the most power is expected … read more

It's fun to make coffee with my simple espresso machine. The current work from home era allows me to learn a lot by practice. And I've practiced my milk frothing a lot lately. In the beginning I usually ended up with big bubbles on top of half-warm liquid. Now I'm able to create nice micro foam. And… read more

'I have been helping customers with IT Operations issues for many years. One common pattern is to use Splunk as a central analytics platform. It can accelerate IT processes and make them more efficient' , Product Manager Erwin Vrolijk explains. Everything related to IT is changing rapidly. Vrolijk n… read more

The Netherlands is a country with a lot of water. A big part of the country is even below sea level. And we even have a branch of government whose only concern is water management, water boards. I had the opportunity to show one of the boards how their work could be more efficient, based on data. As… read more

The way to prepare an organization for a data-driven future is to collect use cases. These small business cases describe: which decisions you took, what data you need, and how this contributes to the strategic objectives of the organization. Let me tell you the four essential, most overlooked steps … read more

Research on Artificial Intelligence already started in the seventies. Because of this, it is possible for a computer to learn something. A computer can now make predictions or recognize objects based on examples. An important part of the research focuses on how to convert our understanding of how le… read more

Machine Learning is a way to explain a computer what to do. You can’t just direct summon a computer do perform a task. That is why you give instructions on how to recognise relations and how features are recognized. By ‘teaching’ a computer, we can use these devices to help us with tasks that people… read more

The last couple of years, we have seen several fantastic developments in the world of IT, systems are more and more being integrated (hyper converged) and standardized. At first sight this is great: there are less building blocks which can do more. There are fewer self-made management scripts in the… read more

We are using Wordpress in a not so common configuration: our installation is hosted with a self-signed ssl cert, and behind http-auth. With this setup image uploading fails when using the IOS app. I've created a patch for the app to fix this behaviour. The patch was accepted revision 1427. read more

In the wordpress CMS, a thumbnail can be added to a post. You have to add this thumbnail manually to a post, even when the post contains an image. The 'Automatic Post Thumbnail' plugin automates the addition of thumbnails to posts. read more

Org-mode is part of the emacs text editor. It is a versatile ToDo-list manager, project planner, life manager. Org-mode has the ability to show information grouped by day, week, month or year. I added grouping by quarters to this list. My patch is accepted and is part of org-mode since the 7.4 versi… read more

In the 1.3 version of InPlaceRichEditor, a script which enables TinyMCE to be used as a edit in place editor, lives a patch I created. This patch assures the TinyMCE editor is the same size as the text to be edited. InPlaceRichEditor is made by Sébastien Grosjean. read more