Andrii Zhukovskyi: build loghttps://zhukovskyi.space/blog/2026-11-09T22:46:04+01:00Andrii Zhukovskyihttps://zhukovskyi.space/Why a Java pod gets OOMKilled in Kubernetes with a half-empty heaphttps://zhukovskyi.space/blog/jvm-oomkilled-kubernetes/2026-11-09T00:00:00Z2026-11-09T22:46:04+01:00The memory limit covers the whole JVM, not just the heap. Where the rest goes, three container defaults that are easy to get wrong, measured on real JDKs, and how to check a manifest before deploy.FileForge: I stopped uploading my files to random converter siteshttps://zhukovskyi.space/blog/fileforge/2026-11-01T00:00:00Z2026-11-09T22:46:04+01:00HEIC to JPG, a photo under 1 MB, one PDF from three, a JWT decoded: 55 file tools that run in the browser and never upload a file. Free and open source.Why valid Kubernetes YAML still breaks in prod, and how to catch it before deployhttps://zhukovskyi.space/blog/kube-tooling-why/2026-11-01T00:00:00Z2026-11-09T22:46:04+01:00A linter says the manifest is fine, then the deploy fails on a quota, a missing Secret or an immutable selector. What I built to catch that before merge, and what running it on 30 popular Helm charts taught me.Trauma Team is 80% buildable. The missing 20% isn't code.https://zhukovskyi.space/blog/health-os-trauma-team/2026-10-01T00:00:00Z2026-11-09T22:46:04+01:00Most of the Cyberpunk medical subscription already exists: pulse-loss detection on watches, implanted monitors, air-ambulance memberships. What's missing is an escalation ladder with a human on every rung, and where a personal health record fits in it.Why UsageStatsManager returned no foreground app on a real Android phonehttps://zhukovskyi.space/blog/focus-sprint-clock-ahead/2026-10-01T00:00:00Z2026-11-09T22:46:04+01:00An Android app blocker worked on the emulator and did nothing on a real phone. The cause was a usage-stats bucket dated in the future, left by a clock that once ran ahead. Symptom, cause and the query that fixes it.How to stop a user's regex from freezing a browser tab, and two other log-viewer trapshttps://zhukovskyi.space/blog/logbeam-regex-timeout/2026-09-01T00:00:00Z2026-11-09T22:46:04+01:00A bad regex can hang a tab for minutes, masked secrets can still leak their length, and JSON.parse silently changes big IDs. How Logbeam, a log viewer for Chrome and Firefox, handles all three, with the numbers.How to let an LLM read your medical records without trusting ithttps://zhukovskyi.space/blog/health-os-guardrails/2026-01-01T00:00:00Z2026-11-09T22:46:04+01:00Prompts can be argued with, so every safety rule in Health OS is code. How lab results become facts only after approval, when the assistant stops and sends you to a doctor, and the seven red-team tests that check it.