Amos explains how TLS certificate renewal failures became the first symptom of a complex networking issue when adding a home computer to his production Kubernetes cluster.
He walks through the cert-manager HTTP challenge process with Let's Encrypt validation and demonstrates how to use K9s for debugging to trace certificate renewal problems to specific nodes.
Watch the full episode: https://ku.bz/6Ll_7slr9
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August 27, 2026 84 1
