Klustered #9
About this video
What You'll Learn
- Trace an application update failure in cluster 17 by isolating a container runtime error during pod startup.
- Find and stop a suspicious node-level debugger pod while validating other deployment and networking signals.
- Resolve cluster 18 by detecting CoreDNS NXDOMAIN behavior and removing a broken mutating webhook.
Marcos Nils joins to debug two Kubernetes clusters: cluster 17 from Sascha Grunert (a rogue node debugger pod and a containerd 'honk' error pointing at BPF) and cluster 18 from Billie Cleek (CoreDNS NXDOMAIN rule and a malicious mutating webhook).
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