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Experiences with a small on-premise Kubernetes setup Feedback

Kubernetes is everywhere and can support many interesting use-cases for hosting services, while some feel it is overkill - decide for yourself.

This talk is based on my experience as a Unix, Internet and Security person with researching K8s over some years and setting up my own infrastructure with Kubernetes in a small production setup. The main points in the talk are:

  • Experiences running the setup for one more year now
  • Upgrading this small setup
  • How do you bring up a bare-metal test-cluster using Kubeadm, I use two small VMs for all of it
  • Cilium as the network plugin - and listing some things I noticed, like your setup may be correct, but the version of cilium can have a problem
  • Keeping your cluster connected to the outside world with BGP, worked nicely

I use this to run a small set of services based on Nginx as ingress controller, and Nginx serving applications (very boring static sites generated using Jekyll) you can see the result at: https://garden.kramse.org which also documents this setup

The talk is based on my experiences, and I would love to discuss more K8s security before and after, and will be at BornHack all week.


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Slides: https://codeberg.org/kramse


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