A quick blogpost to show the danger of runc CVE-2024-21626 on Kubernetes. Most posts and POCs is saw focussed on Docker but I wanted to see how big of an issue this CVE is on cloud native systems.

Maintaining and merging multiple kubeconfig files sucks, here is a quick post how I solved this issue. Without using external tooling, just plain kubectl.

How to create a full reverse proxy just with ingress-nginx, no need for proxy containers on the cluster by using a lesser knows ExternalName type Service

Since none of the instructions online are up-to-date, here is how to do it.

Speedup the Docker image push and pull with some Docker daemon tweaks.