Taming the FFmpeg Stampede: Writing a Custom eBPF Scheduler with Linux 6.12 sched_ext
Have you ever launched 20–30 concurrent ffmpeg encoding jobs on a beefy multi-core server, only to watch the entire system grind to a halt? Even on…
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I wrote a new Elastic detection rule to catch eBPF rootkits compiling on-host 🛡️
If you've been following Linux security, you know that eBPF is a double-edged sword. It's incredible for observability and networking, but it's also…
Detecting ransomware with eBPF in Rust
Detecting ransomware with eBPF in Rust Title: Detecting ransomware with eBPF in Rust Target: ~1000 words, B1-safe English, working-code-first Build:…
Kubernetes: iptables is empty after migrating to Cilium — what to look at next
A Kubernetes Service stops responding. The first move is always the same: get on the node and run iptables-save | grep KUBE-SERVICES to see which Po…
Кэши, режимы нагрузки и ловушка среднего, или Почему storage-бенчмарки врут
Представьте, разработчики добавили прозрачное шифрование в файловую систему, собрали ядро и прогнали Fio — пропускная способность не изменилась. Одн…
field-cage: a local-first alternative for GitHub Actions egress control
I built field-cage , an MIT-licensed eBPF agent that monitors and restricts outbound connections from Linux GitHub Actions runners. It overlaps with…
I Replaced kube-proxy with eBPF in Production (And Why My Monitoring Went Blind for 6 Hours)
I Replaced kube-proxy with eBPF in Production (And Why My Monitoring Went Blind for 6 Hours) From a "simple" Cilium upgrade to a 6-hour outage where…
A Differential Test Harness for Native vs. Generic XDP: Methodology and Baseline
Native XDP and generic SKB-mode XDP are not the same thing in practice. The same BPF program can pass the verifier and still behave differently depe…
nvidia-smi Reports 97% Utilization While the GPU Sits Idle
TL;DR A GPU shows 97% utilization in nvidia-smi , but training throughput is a fraction of what benchmarks promise. The GPU is not computing; it is…
GPU Incident at 3am: eBPF Tracing from Page to Root Cause in 60 Seconds
TL;DR 3am page: GPU training pipeline missed its SLA. Datadog shows 95% GPU utilization. nvidia-smi agrees. Everything looks green, but the job is 3…
[Перевод] Kubernetes Gateway API в 2026 году: сравниваем Envoy Gateway, Istio, Cilium, Kong и NGINX Gateway Fabric
Сейчас ландшафт сетей Kubernetes переживает самую значительную трансформацию со времен появления Ingress API в 2015 году. Gateway API прошел путь от…
eBPF Gives Kubernetes Full Network Visibility Without the Sidecar CPU Tax
Service mesh adoption in Kubernetes hit a wall in 2025. Not because teams stopped wanting visibility, but because the bill arrived. Every pod in an…
SunnyDayBPF: Post-Syscall User-Buffer Telemetry Deception with eBPF
SunnyDayBPF: Post-Syscall User-Buffer Telemetry Deception with eBPF Security tools do not observe reality directly. They observe telemetry. And tele…
Как Runtime Radar помогает обнаруживать атаки на цепочку поставок: кейс LiteLLM
Всем привет! Это Сергей Зюкин, разработчик экспертизы runtime-radar — опенсорсного продукта, обеспечивающего безопасность контейнерной среды выполне…