We dive into the Linux kernel this week with guest Leonardo Di Donato, Open Source engineer at Sysdig. Leonardo works full-time on the Falco project, a runtime security engine that listens to the Linux kernel using eBPF - the extended Berkeley Packet Filter. Leonardo tells the hosts about the architecture of eBPF, how he has used it before and now, and what's coming up for Falco.

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Chatter of the week

• University Challenge: can you guess the computer?
• Golf Peaks (Google Play, App Store)
  • Desert Golfing

News of the week

• Apache Flink v1.10
• Linkerd v2.7
• Azure Container Registry to require TLS 1.2
• CPU limits and aggressive throttling in Kubernetes - Omio Engineering by Fayiz Musthafa from Omio
• Kiosk
  • Reddit thread with Lukas Gentele
• Docker donates the cnab-to-oci library to cnab.io
• How-to Guide: Debugging a Kubernetes Application
• Nutanix Karbon 2.0
• Childcare and COVID-19 at KubeCon EU
  • That discount code again again: KCEUGKP15
• Red Hat OpenShift is now available for IBM Z and LinuxONE
• Why Kubernetes on VMs? by Chip Zoller
• Securely Access AWS Services from Google Kubernetes Engine (GKE)
• Carbon Relay raises $63 million

Links from the interview

• Traditional Linux tracing tools: perf and strace
• BPF and eBPF
  • BPF paper by Steven McCanne and Van Jacobson
  • eBPF: Alexei Starovoitov added the 'e'
  • Express Data Path (XDP)
• bpftrace
• InfluxDB Cloud
• kubectl-trace
• The IO Visor project
• Sysdig
  • Loris Degioanni, co-founder, CTO, and author of Wireshark
• Falco
  • Sysdig and Falco now powered by eBPF
  • Falco joins CNCF Sandbox and moves to incubation
• Upcoming KubeCon EU talks by Leonardo:
  • Going beyond CI/CD with Prow
  • Designing a gRPC interface for kernel tracing with eBPF
• Falco community:
  • GitHub
  • Docs
  • Mailing list
  • Notes about community calls
  • Community call recordings
  • Slack
• Leonardo Di Donato on Twitter