Blog
Postmortems, infrastructure deep-dives, and the failure patterns we see in production.
CPU, memory, disk, network, logs, processes, what each signal really means and the five most dangerous Linux failures.
Evicted is not OOMKilled: the kubelet kills pods to protect the node, and the pod that dies is usually innocent. DiskPressure, the QoS eviction order, ephemeral-storage limits, and the fix for each.
The restart loop that isn't a crash: the three K8s probes, the five real ways they fail (wrong port, short delay, tight timeout, silent readiness, dependency check) and the exact fix for each.
The ten highest-impact cluster security findings, root containers, missing network policies, RBAC, and the exact fix.
ErrImagePull vs ImagePullBackOff, the five root causes (wrong tag, bad secret, expired token, rate limit, network) and the exact fix for each.
What an SRE actually costs, what they spend their day on, and the real math on automating the monitoring 40%.
From Nagios to AI-native: what the old monitoring stack gets wrong, and what explaining incidents actually requires.
An honest, budget-first guide: the five things every startup must monitor and when to upgrade from free.
Every reason a pod gets stuck in Pending, resources, PVCs, affinity, taints, quotas, with the kubectl to diagnose each.
The four layers of K8s monitoring, what to actually alert on, and how to get covered in 60 seconds.
Exit code 137, the Linux OOM killer, why OOMKilled pods have no logs, and how to size memory limits correctly.
The six real causes of CrashLoopBackOff, how to tell them apart with kubectl, and the exact fix for each.