<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Troubleshooting on 黄文卓 | DevOps Engineer</title><link>https://socake.github.io/tags/troubleshooting/</link><description>Recent content in Troubleshooting on 黄文卓 | DevOps Engineer</description><generator>Hugo -- gohugo.io</generator><language>zh-CN</language><managingEditor>17691281867@163.com (Wenzhuo Huang)</managingEditor><webMaster>17691281867@163.com (Wenzhuo Huang)</webMaster><copyright>© 2026 Wenzhuo Huang</copyright><lastBuildDate>Wed, 29 Oct 2025 09:30:00 +0800</lastBuildDate><atom:link href="https://socake.github.io/tags/troubleshooting/index.xml" rel="self" type="application/rss+xml"/><item><title>CoreDNS 深度排障：K8s DNS 问题完全指南</title><link>https://socake.github.io/posts/coredns-troubleshooting-guide/</link><pubDate>Wed, 29 Oct 2025 09:30:00 +0800</pubDate><author>17691281867@163.com (Wenzhuo Huang)</author><guid>https://socake.github.io/posts/coredns-troubleshooting-guide/</guid><description>DNS 问题是 K8s 中最难定位的问题之一，因为它的失败往往是间歇性的、有延迟的，看起来像网络问题，实际上是 DNS 超时。本文记录了我在生产环境排查过的多类 DNS 故障，附详细的抓包分析和调优配置。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://socake.github.io/posts/coredns-troubleshooting-guide/featured.jpg"/></item><item><title>TCP/IP 网络排障：抓包与连接问题诊断</title><link>https://socake.github.io/posts/tcp-network-troubleshooting/</link><pubDate>Tue, 21 Oct 2025 11:44:00 +0800</pubDate><author>17691281867@163.com (Wenzhuo Huang)</author><guid>https://socake.github.io/posts/tcp-network-troubleshooting/</guid><description>网络问题排查的核心是「眼见为实」，没有抓包的排障都是猜测。本文系统梳理了 tcpdump 的实战用法、TCP 连接状态机分析、conntrack 追踪，以及 Kubernetes 中 NodePort/LoadBalancer 的典型网络故障定位方法。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://socake.github.io/posts/tcp-network-troubleshooting/featured.jpg"/></item></channel></rss>