// paginated posts

const page = 16

const article = {
  title: "iptables 防火墙规则 DROP 导致端口无法访问：端口 LISTEN 但 curl 超时",
  publishedAt: "2026.08.31",
  tags: [],
  href: "/blogs/2026-08-31-1600-iptables-drop-8080"
}

export default article

const article = {
  title: "iptables 防火墙规则 DROP 导致端口无法访问：端口 LISTEN 但 curl 超时",
  publishedAt: "2026.08.31",
  tags: [],
  href: "/blogs/2026-08-31-1600-iptables-drop-8080"
}

export default article

article.tsexport default

publishedAt2026.08.31

const article = definePost()

iptables 防火墙规则 DROP 导致端口无法访问：端口 LISTEN 但 curl 超时

Linux 服务器上部署了 HTTP 服务监听 8080 端口，服务进程正常、端口显示 LISTEN 状态，但从客户端访问 `http://<IP>:8080` 一直超时或连接失败。CPU、内存、进程都正常，问题隐藏在防火墙层——iptables 的 INPUT 链存在一条 DROP 所有发往 8080 端口 TC

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const article = {
  title: "MySQL 死锁（Deadlock found when trying to get lock）根因与解决实战",
  publishedAt: "2026.08.30",
  tags: [],
  href: "/blogs/2026-08-30-0007-mysql-deadlock"
}

export default article

const article = {
  title: "MySQL 死锁（Deadlock found when trying to get lock）根因与解决实战",
  publishedAt: "2026.08.30",
  tags: [],
  href: "/blogs/2026-08-30-0007-mysql-deadlock"
}

export default article

article.tsexport default

publishedAt2026.08.30

const article = definePost()

MySQL 死锁（Deadlock found when trying to get lock）根因与解决实战

电商下单系统在**并发事务**下间歇性报错：

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const article = {
  title: "TCP 监听队列（backlog/accept队列）被打满导致新连接超时的诊断与解决",
  publishedAt: "2026.08.30",
  tags: ["tcp","backlog","accept队列"],
  href: "/blogs/2026-08-30-0836-tcp-backlog-accept-queue"
}

export default article

const article = {
  title: "TCP 监听队列（backlog/accept队列）被打满导致新连接超时的诊断与解决",
  publishedAt: "2026.08.30",
  tags: ["tcp","backlog","accept队列"],
  href: "/blogs/2026-08-30-0836-tcp-backlog-accept-queue"
}

export default article

article.tsexport default

publishedAt2026.08.30

const article = definePost()

TCP 监听队列（backlog/accept队列）被打满导致新连接超时的诊断与解决

服务进程、CPU、内存都正常，新 TCP 连接却频繁超时或被拒。本文通过 ss -lnt 发现监听端口 Send-Q 顶满 backlog，用 Docker 复现 accept 队列被打满的过程，详解 SYN 队列与 accept 队列分工，给出调整 backlog、somaxconn 与应用侧修复方案。

tcpbacklogaccept队列

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const article = {
  title: "Redis 缓存穿透（Cache Penetration）解决方案：缓存空值实战",
  publishedAt: "2026.08.30",
  tags: ["Redis","缓存穿透","Cache Penetration"],
  href: "/blogs/2026-08-30-1600-redis"
}

export default article

const article = {
  title: "Redis 缓存穿透（Cache Penetration）解决方案：缓存空值实战",
  publishedAt: "2026.08.30",
  tags: ["Redis","缓存穿透","Cache Penetration"],
  href: "/blogs/2026-08-30-1600-redis"
}

export default article

article.tsexport default

publishedAt2026.08.30

const article = definePost()

Redis 缓存穿透（Cache Penetration）解决方案：缓存空值实战

攻击者或爬虫大量请求不存在的商品 ID，请求全部绕过缓存直达数据库，查询量暴涨百倍甚至引发宕机。本文用 Flask + Redis + MySQL 复现经典缓存穿透场景，实战讲解缓存空值（NULL Cache）方案：TTL 设置、空值标识设计，以及与缓存击穿、缓存雪崩的边界区分。

Redis缓存穿透Cache Penetration

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const article = {
  title: "AI日报 2026-08-30",
  publishedAt: "2026.08.30",
  tags: ["朕喜技术","科技资讯","人工智能"],
  href: "/blogs/ai-daily-2026-08-30"
}

export default article

const article = {
  title: "AI日报 2026-08-30",
  publishedAt: "2026.08.30",
  tags: ["朕喜技术","科技资讯","人工智能"],
  href: "/blogs/ai-daily-2026-08-30"
}

export default article

article.tsexport default

publishedAt2026.08.30

const article = definePost()

AI日报 2026-08-30

本期聚焦AI本地部署精度差异的根因分析，揭示734个依赖包中任一微小差异即可导致输出token翻转；阿里Qoder推出桌宠形态实现Beyond Coding；清华姚班迎来新班主任徐梦迪；OpenClaw热度快速退潮；开源OCR工具OCR It以20ms处理PDF；Claude开启自训练研究；英特尔锐炫Pro B70支持

朕喜技术科技资讯人工智能

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const article = {
  title: "Nginx 反向代理 PHP-FPM 返回 502 Bad Gateway：并发慢请求打满 Worker 池的排查与修复",
  publishedAt: "2026.08.29",
  tags: [],
  href: "/blogs/2026-08-29-0009-nginx-php-fpm-502-bad-gateway"
}

export default article

const article = {
  title: "Nginx 反向代理 PHP-FPM 返回 502 Bad Gateway：并发慢请求打满 Worker 池的排查与修复",
  publishedAt: "2026.08.29",
  tags: [],
  href: "/blogs/2026-08-29-0009-nginx-php-fpm-502-bad-gateway"
}

export default article

article.tsexport default

publishedAt2026.08.29

const article = definePost()

Nginx 反向代理 PHP-FPM 返回 502 Bad Gateway：并发慢请求打满 Worker 池的排查与修复

生产环境架构为 `客户端 → Nginx(80) → PHP-FPM(9000)`，Nginx 通过 FastCGI 把 `.php` / `/api/` 请求转发给后端 PHP-FPM。

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const article = {
  title: "容器内 DNS 解析失败修复指南：`Name or service not known` 但 ping IP 正常",
  publishedAt: "2026.08.29",
  tags: ["docker dns 解析失败","resolv.conf","Name or service not known"],
  href: "/blogs/2026-08-29-0800-dnsname-or-service-not-known"
}

export default article

const article = {
  title: "容器内 DNS 解析失败修复指南：`Name or service not known` 但 ping IP 正常",
  publishedAt: "2026.08.29",
  tags: ["docker dns 解析失败","resolv.conf","Name or service not known"],
  href: "/blogs/2026-08-29-0800-dnsname-or-service-not-known"
}

export default article

article.tsexport default

publishedAt2026.08.29

const article = definePost()

容器内 DNS 解析失败修复指南：`Name or service not known` 但 ping IP 正常

微服务容器突然无法访问外部 API，应用日志大量出现 `socket.gaierror: [Errno -2] Name or service not known`。排查发现：容器内 `curl https://www.baidu.com` 报 `curl: (6) Could not resolve host`，

docker dns 解析失败resolv.confName or service not known

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const article = {
  title: "CPU 使用率 100% 定位与修复：Python while True 死循环实战排查指南",
  publishedAt: "2026.08.29",
  tags: ["linux","cpu","性能排查"],
  href: "/blogs/2026-08-29-1612-cpu-100-deadloop-python"
}

export default article

const article = {
  title: "CPU 使用率 100% 定位与修复：Python while True 死循环实战排查指南",
  publishedAt: "2026.08.29",
  tags: ["linux","cpu","性能排查"],
  href: "/blogs/2026-08-29-1612-cpu-100-deadloop-python"
}

export default article

article.tsexport default

publishedAt2026.08.29

const article = definePost()

CPU 使用率 100% 定位与修复：Python while True 死循环实战排查指南

服务器 CPU 飙升至 100% 如何定位？本文通过一个 Python while True 死循环实战案例，演示 top/ps/strace/py-spy 排查流程与修复方法。

linuxcpu性能排查

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const article = {
  title: "AI日报 2026-08-29",
  publishedAt: "2026.08.29",
  tags: ["朕喜技术","科技资讯","人工智能"],
  href: "/blogs/ai-daily-2026-08-29"
}

export default article

const article = {
  title: "AI日报 2026-08-29",
  publishedAt: "2026.08.29",
  tags: ["朕喜技术","科技资讯","人工智能"],
  href: "/blogs/ai-daily-2026-08-29"
}

export default article

article.tsexport default

publishedAt2026.08.29

const article = definePost()

AI日报 2026-08-29

百度搭子发布办公智能体新标准，实测一次生成17份交付物；云知声中期财报亮眼，Agent业务营收4.78亿；Claude推出模型硬件标准MHS，触角伸入物理世界；全球AI人物榜、癌症疫苗定价、数据要素大赛等动态同样值得关注。

朕喜技术科技资讯人工智能

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const article = {
  title: "内存泄漏导致容器 OOM Killed（exit code 137）排查与修复实战",
  publishedAt: "2026.08.28",
  tags: ["OOM Killed","内存泄漏","Memory Leak"],
  href: "/blogs/2026-08-28-0015-oom-killed"
}

export default article

const article = {
  title: "内存泄漏导致容器 OOM Killed（exit code 137）排查与修复实战",
  publishedAt: "2026.08.28",
  tags: ["OOM Killed","内存泄漏","Memory Leak"],
  href: "/blogs/2026-08-28-0015-oom-killed"
}

export default article

article.tsexport default

publishedAt2026.08.28

const article = definePost()

内存泄漏导致容器 OOM Killed（exit code 137）排查与修复实战

Kubernetes 中部署的 Web 服务（容器内存限制 256MB），运行一段时间后**进程神秘被杀**： ``` ❌ 容器重启了！进程被 OOM Killed (exit code 137) ``` - 服务刚启动正常，运行一段时间才崩溃，且**崩溃间隔越来越短** - 代码里没有明显的文件/连接泄漏，CPU

OOM Killed内存泄漏Memory Leak

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// showing 151-160 of 281 posts