Tech explained loud. Short, practical videos and cheat sheets on Kafka, Kubernetes, SRE and cloud – from an engineer who fixes production for a living.
Watch on YouTubeGet the cheat sheets
Real-world infrastructure topics, minus the fluff.
Partitions, consumer lag, rebalances and what actually breaks in production.
Pod troubleshooting, probes, resources and the kubectl tricks that save hours.
Incidents, observability, SLOs and on-call habits that keep systems boring.
Practical cloud architecture, costs and the managed services worth using.
Printable references built from the same material as the videos. Sold and delivered via Gumroad.
$7
6-page PDF. Broker down, consumer lag and rebalance storms, disk full, the poison pill, unclean leader election and the hot partition, each with symptom, commands, fix and prevention. Plus a kafka-* / kcat command reference, PromQL alerts, dangerous configs and Strimzi on Kubernetes. Commands tested on Kafka 4.3 (KRaft) + Strimzi.
Instant digital download. See refund policy.
Free
A 1-page quick reference for the 6 Kafka failures that wake you up at 3 AM and the first commands to run.
$7
4-page PDF (dark + printer-friendly edition). CrashLoopBackOff, Exit 137 / OOMKilled, ImagePullBackOff, Pending and probe failures, each with symptom, kubectl commands and fix. Checked against the official Kubernetes docs.
Instant digital download. See refund policy.
Free
A 1-page quick reference of the most common pod failures and the first commands to run.
Kernel Panic Records is the tech-education brand of Jonatan Rocha, a site reliability engineer based in Brazil working with Kafka, Kubernetes and cloud infrastructure. The channel turns real production lessons into fast, memorable videos, and the cheat sheets give you something to keep open during the next incident.
Business, sponsorship and support inquiries: jonatanivanhoe@gmail.com
Owner: Jonatan Rocha · Brazil · CNPJ 58.330.612/0001-22
Product purchases and downloads are handled by Gumroad; for order issues include your Gumroad receipt.
