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<title>禾光知寒 · SRE Notes</title>
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<description>一个 SRE 的成长档案：排障案例与实战项目更新</description>
<language>zh-CN</language>
  <item>
    <title>阿里云个人站点部署与运维</title>
    <link>https://www.sresec.com/projects/aliyun-deploy.html</link>
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    <pubDate>Thu, 08 Oct 2026 16:00:00 GMT</pubDate>
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  <item>
    <title>禾光知寒 · 个人知识库站点</title>
    <link>https://www.sresec.com/projects/site-blog.html</link>
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    <pubDate>Thu, 08 Oct 2026 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>解决SWAP报警提示</title>
    <link>https://www.sresec.com/cases/t-docker-swap.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-docker-swap.html</guid>
    <pubDate>Thu, 24 Sep 2026 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>家庭实验室 Homelab</title>
    <link>https://www.sresec.com/projects/homelab.html</link>
    <guid isPermaLink="true">https://www.sresec.com/projects/homelab.html</guid>
    <pubDate>Thu, 24 Sep 2026 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>异常外联 / C2 回连排查（2025-08-18）</title>
    <link>https://www.sresec.com/cases/t-malicious-c2-traffic.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-malicious-c2-traffic.html</guid>
    <pubDate>Sun, 17 Aug 2025 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>K8s 集群证书过期（2025-05-21）</title>
    <link>https://www.sresec.com/cases/t-k8s-cert-expired.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-k8s-cert-expired.html</guid>
    <pubDate>Tue, 20 May 2025 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>节点 NotReady 排障（2025-03-10）</title>
    <link>https://www.sresec.com/cases/t-k8s-node-notready.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-k8s-node-notready.html</guid>
    <pubDate>Sun, 09 Mar 2025 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>Service / Ingress 不通排障（2025-01-15）</title>
    <link>https://www.sresec.com/cases/t-k8s-service-ingress.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-k8s-service-ingress.html</guid>
    <pubDate>Tue, 14 Jan 2025 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>Web 站点发现 Webshell 的排查处置（2024-07-22）</title>
    <link>https://www.sresec.com/cases/t-webshell-investigation.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-webshell-investigation.html</guid>
    <pubDate>Sun, 21 Jul 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>etcd 故障 / 空间满 / 不一致（2024-06-19）</title>
    <link>https://www.sresec.com/cases/t-k8s-etcd-failure.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-k8s-etcd-failure.html</guid>
    <pubDate>Tue, 18 Jun 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>Kafka 消费积压 / Consumer Lag（2024-05-28）</title>
    <link>https://www.sresec.com/cases/t-kafka-consumer-lag.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-kafka-consumer-lag.html</guid>
    <pubDate>Mon, 27 May 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>ImagePullBackOff 排障（2024-04-08）</title>
    <link>https://www.sresec.com/cases/t-k8s-imagepullbackoff.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-k8s-imagepullbackoff.html</guid>
    <pubDate>Sun, 07 Apr 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>HTTPS 证书过期 / 链不全（2024-04-08）</title>
    <link>https://www.sresec.com/cases/t-tls-cert-expired.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-tls-cert-expired.html</guid>
    <pubDate>Sun, 07 Apr 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>Redis 缓存穿透 / 击穿 / 雪崩（2024-03-20）</title>
    <link>https://www.sresec.com/cases/t-redis-cache-avalanche.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-redis-cache-avalanche.html</guid>
    <pubDate>Tue, 19 Mar 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>容器 OOMKilled 排障（2024-02-14）</title>
    <link>https://www.sresec.com/cases/t-k8s-oomkilled.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-k8s-oomkilled.html</guid>
    <pubDate>Tue, 13 Feb 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>Docker 镜像拉取失败（2024-01-22）</title>
    <link>https://www.sresec.com/cases/t-docker-image-pull-fail.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-docker-image-pull-fail.html</guid>
    <pubDate>Sun, 21 Jan 2024 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>swap 占用高、swappiness 调优与内存压力（2023-12-05）</title>
    <link>https://www.sresec.com/cases/t-swap-high-usage.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-swap-high-usage.html</guid>
    <pubDate>Mon, 04 Dec 2023 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>容器网络不通排查（2023-11-13）</title>
    <link>https://www.sresec.com/cases/t-docker-network-bridge.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-docker-network-bridge.html</guid>
    <pubDate>Sun, 12 Nov 2023 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>Redis 哨兵故障切换异常 / 主从漂移（2023-10-16）</title>
    <link>https://www.sresec.com/cases/t-redis-sentinel-failover.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-redis-sentinel-failover.html</guid>
    <pubDate>Sun, 15 Oct 2023 16:00:00 GMT</pubDate>
  </item>
  <item>
    <title>负载均衡后端被健康检查摘除（2023-09-16）</title>
    <link>https://www.sresec.com/cases/t-lb-backend-ejected.html</link>
    <guid isPermaLink="true">https://www.sresec.com/cases/t-lb-backend-ejected.html</guid>
    <pubDate>Fri, 15 Sep 2023 16:00:00 GMT</pubDate>
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