Code magic is incredibly helpful for developers—it simplifies tasks and often just works. However, it can sometimes lead to dangerous issues that many developers may not be aware of. In this article, I will demonstrate how a seemingly small change can break a perfectly functioning application and introduce a security […]
Das Zertifikat zum Kubernetes-Application-Developer ist ein einfacher Weg um seine Kenntnisse zu verbessern oder zu demonstrieren. Dabei werden dem Prüfling keine Fragen gestellt, sondern aufgaben präsentiert, was eine angenehme Abwechslung zu der Vielzahl anderer Tech-Zertifikate darstellt. Die Zertifizierung zum CKAD ist eine der einfacheren Prüfungen. Zwar muss man geübt sein […]
If you are a computer scientist you will soon or later be confronted with concepts like pure functions or closures. In most cases you won’t even bother and just use those concepts without thinking much about it. With this post I will give you a short explanation what those terms […]
The big part of Rust developers is focused on Linux systems. As a windows developer you don’t want to install a VM or even another linux partition on your system. This is where WSL2 comes into play. In this short introduction i will demonstrate how you can setup your windows […]
On your crypto journey you may stumbled upon tokens like SafeMoon or DogeBonk that offer reflections to their holders. Just by holding their tokens you will get rewarded with fees according to the amount of tokens you already have. Those fees are paid by sell or buy transactions from other […]
For the birth of my niece i wanted to gift her a little bit of money in bitcoin. Of course a newborn can’t buy anything with it, but maybe in the future. I got a savings book when I was young, so I thought it would be a good idea […]
Log4j2 already supports a lot of use cases out of the box. But let’s assume you need to alter the interface of your logger. A new log level for example, or a custom method. This article will describe how you can easily create your own custom logger interface. In our […]
When running a lightning node it it always interesting to to see what is going on in the background. Of course, nobody want’s to login all the time with the cli to examine the current statistics. It is not only a security risk but also very time consuming and not […]
In this tutorial I will demonstrate how to run a Ethereum 2 validator within a kubernetes cluster. We use Prysm as Eth2 and openethereum as Eth1 client. The most obvious things first. Although openethereum and Prysm offer a Docker image, both of them will tell you to use the native […]
Im Bezug auf Cloud-Security haben sich zwei grosse Zertifizierungen etabliert: Zum einen gibt es das Certificate of Cloud Security Knowledge CCSK der Cloud Security Alliance (CSA), zum anderen das Certified Cloud Security Professional CCSP des (ISC)². Ich habe mich für das CCSK entschieden und möchte hier kurz beschreiben welcher Aufwand […]
