Month: July 2019
Single Page Web Applications
(Originally written for for 143206a Entwicklung von Rich Media Systemen in 07/2019) Intro There are two fundamentally different concepts in web application development: Single-Page and Multi-Page architectures. This article explores the different approaches and explains some of the development concerns of single page architectures, at the example of how to handle the browser history, search…
Crypto-Trading: Securing Million Worth API-Keys in a Distributed System
The teaching of IT security is often about trust boundaries – these are drawn at the interface of the system to the outside world. While this view is dangerous even with a monolithic system, it is simply wrong with a distributed system. Especially when the system’s data is so delicate that you don’t even want…
How to create a K8s cluster with custom nodes in Rancher
Don’t you find it annoying not to be able to manage all your Kubernetes clusters at a glance? Ranger 2.0 offers an ideal solution. The following article is less a scientific post than a how-to guide to creating a new Kubernetes cluster with custom nodes in Ranger 2.0. But before we drift into the practical…