Why won't Kubernetes HA control plane failover in my lab?

Usually networking or etcd quorum fails — check kubeadm join with --control-plane, verify load balancer hits all nodes.

How to fix Proxmox VMs locking up with Kubernetes?

Reduce vCPU oversubscription, set swappiness low, enable ballooning, monitor host load.

Is self-hosted Kubernetes worth the stability hassle?

For learning, yes — but scale to managed for sanity.

Kubernetes HA Setup Implodes: My Week 3 Proxmox Nightmare

kubectl get nodes — dead silence. Week 3 of my Kubernetes grind, and HA is laughing in my face. Proxmox VMs locking up, swap settings vanishing: classic homelab hell.

DevTools Feed Apr 03, 2026 4 min read 12 views

Failing Kubernetes control plane nodes on Proxmox dashboard with error alerts

⚡ Key Takeaways

Kubernetes HA on Proxmox demands ruthless resource tuning — oversubscribe at your peril. 𝕏
Swap and stability issues are beginner classics; fix with sysctl tweaks and core caps. 𝕏
Self-hosted K8s labs build grit, but cloud managed services win for real workloads. 𝕏

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