Developer Documents Kubernetes Homelab Setup, Fixes Ubuntu Cloud-Init Hosts Issue

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A developer building a Kubernetes homelab cluster following the 'Kubernetes the Hard Way' guide has documented Step 5, which focuses on generating kubeconfig files for cluster services. Each kubeconfig bundles TLS certificates from a prior step so that components like the scheduler and proxy can authenticate securely with the API server. Running Ubuntu instead of the guide's recommended Debian, the developer encountered an issue where custom /etc/hosts entries were being silently overwritten after every reboot due to Ubuntu's cloud-init managing that file by default. The fix involved editing the cloud-init hosts template directly and running a clean reboot command to make the hostname entries persist. The kubeconfig generation itself proceeded without issues, with the developer also explaining the role of each kubectl config sub-command used in the process.

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