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 […]
