k8s

  • 7th April 2024

Troubleshooting CephFS CSI

A quick writeup for a longstanding issue I’ve had that’s rendered CephFS-backed PersistentVolumes useless on my home K8S cluster. libceph on worker nodes complains about mons speaking the wrong protocol and that wasn’t a red herring, it was the key to the problem all along.

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  • 30th July 2023

Getting real IPs from behind ingress

A whirlwind dive into kube LoadBalancer services, and a lesson in how things are not always what they seem.

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  • 15th July 2023

ArgoCD Image Updater

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  • 27th July 2022

In-Cluster Prometheus

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  • 30th May 2022

K3S, split-horizon DNS, DNSSEC, and PowerDNS

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