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#debugging
logs, traces, and the dawning suspicion that it's dns.
3 blog posts · 1 TIL.
Posts about the gap between the symptom and the cause. The Kubernetes set covers stuck pods, crash loops, and the networking failures that present as application bugs. The Akamai post is a WAF false positive: a browser extension rewriting request headers into something the edge scored as an attack, and the hour it took to prove that. The Docker volume note is the shortest of the group and the one most often needed — finding where the data physically lives when the container insists the directory is empty.
Blog posts
CrashLoopBackOff is a symptom with five common causes. The exit code and the last event narrow it to one in under a minute, before you open the…
Tried booking a flight. Got blocked. Turns out Akamai thinks my 21 security extensions make me look like a hacker. They're not wrong.
Five Kubernetes debugging tricks from real 3 AM pages: kubectl logs --previous, ephemeral debug containers, scheduler events, and fixes that saved…
Today I learned
Volume mounts that look right but won't persist data. The five-command inspection sequence that always tells me which mount is actually being read.