https://ccu-k8s.inf.uni-konstanz.de/
Please choose "login to the cluster" and enter your credentials to obtain the kubeconfig data. Choose "full kubeconfig" on the left for all the details you need. Either save backup your old kubeconfig and use this as a new one (if you do not plan to ever log back into the old cluster), or merge it them both into a new kubeconfig which allows you to easily switch context between both clusters. In the beginning, this might be useful as you maybe have forgotten some data, and also still need to clean up once everything works.
A kubeconfig for both clusters has the following structure: