FreeBSD 12.x binary upgrade and graphics card problems (drm-fbsd12.0-kmod, drm-kmod)
6 mins
Mini summary about a problem that is mentioned as a regression but is not easily found on the internet when using Intel or amdgpu graphic drivers on FreeBSD
Automatic Jenkins udpate using Shellscripts and Jenkins
7 mins
This article describes a simple and working solution to automatically upgrade jenkins running on a local servlet container such as Apache Tomcat by using a simple POSIX compliant shellscript (working on Linux, Unices, etc.) as well as a simple Jenkins job itself.
The role of message brokers in IoT and microservice scenarios
13 mins
A short view on the role of message brokers in two different context, which problems they solve and what one should be aware of.
Maxwell equation summary
13 mins
A short summary about the basic properties of Maxwell equations, the resulting electromagnetic wave equations and commonly used gauges (Lorenz, Coulomb).
A look at the pastry distributed hashtable
18 mins
This blog post takes a look at the pastry distributed hashtable. This is a hashtable that allows resilient and scaling distributed key value stores and that can be used to build a variety of applications on top.
Some Gaussian integrals in 1 dimension
15 mins
Short summary of various commonly used Gaussian integrals (1 dimensional) most of the time not shown in school textbooks.
Cheap spectrum analyzer protocol
5 mins
This blog post describes the protocol used by many currently sold cheap spectrum analyzer boards as far as I've been able to gather information.
Comparison of generic data serialization methods
18 mins
A summary and short comparison of various generic (non application specific) data serialization techniques and formats
LoRA WAN device activation (OTAA and ABP)
9 mins
Minimal description of the two possible activation procedures of LoRA WAN device activation and the meaning of device activation for the network. This article has been written since the difference between OTAA and ABP as well as the reasoning seems to be a problem for some developers.
