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:…
Две стороны изоляции: безопасность виртуальных машин и контейнеров
Сегодня практически невозможно найти инфраструктуру, которая обходилась бы без использования контейнеров и виртуальных машин. Для безопасности данны…
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…
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…
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 для начинающих: практическое введение
Современные инструменты мониторинга (Prometheus, Grafana, профилировщики) обеспечивают хорошую видимость состояния приложения, но имеют ограничения…
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…