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  • Docker

    calendar Oct 20, 2025 · 0 min read  ·
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  • SELinux

    calendar Jun 15, 2025 · 0 min read  ·
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  • Shell

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  • Cryptography

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  • Guide

    calendar Nov 30, 2024 · 0 min read  ·
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  • Algorithms

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  • Interview

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  • Databases

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  • Distributed System

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Peng Zhang

Software Engineer

Recent Posts

  • Apply sysctl before systemd: a lesson from reserving ephemeral ports too late
  • Don't hardcode fsync in your library
  • When enforcing OCI image spec broke customer containers
  • Why a Trailing Dot in DNS Can Break Your Customers
  • How cgo silently disables Go's deadlock detector
  • Replacing socat with systemd-socket-proxyd
  • You probably want to disable cgo: Go's stdlib has pure-Go implementations
  • Who killed my service: collecting kernel kill logs with OTEL

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Peng Zhang

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