https://blog.ivanwz.com/Recent content in 首页 on 云原生技术栈Hugo -- gohugo.iozh-cnhello@example.com (Ivan)hello@example.com (Ivan)© 2026 IvanFri, 19 Jun 2026 00:00:00 +0000https://blog.ivanwz.com/posts/posts/linux/linux-observability-basics/Fri, 19 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/linux/linux-observability-basics/<p>Linux 故障排查的第一步不是立刻修改配置，而是先建立足够清晰的观察面。CPU、内存、磁盘和网络通常能解释大多数系统层面的异常。</p> <h2 class="relative group">CPU <div id="cpu" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#cpu" aria-label="锚点">#</a> </span> </h2> <p>使用 <code>top</code> 或 <code>htop</code> 可以快速判断系统是否存在 CPU 饱和。</p> <div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">top </span></span><span class="line"><span class="cl">uptime </span></span><span class="line"><span class="cl">mpstat <span class="m">1</span></span></span></code></pre></div></div> <p>重点关注 load average、用户态 CPU、系统态 CPU、iowait 和上下文切换。如果 load 很高但 CPU 使用率不高，需要进一步判断是否存在 IO 阻塞。</p>https://blog.ivanwz.com/posts/posts/rancher/rancher-install-shell/Fri, 19 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/rancher/rancher-install-shell/<h2 class="relative group">一、文档说明 <div id="一文档说明" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e4%b8%80%e6%96%87%e6%a1%a3%e8%af%b4%e6%98%8e" aria-label="锚点">#</a> </span> </h2> <p>本文档用于说明 <code>install-rancher-server.sh</code> 的使用方法。</p> <p>脚本功能：</p> <ul> <li> <p>自动安装 Helm</p> </li> <li> <p>自动配置 RKE2 Ingress Nginx Forward Header</p> </li> <li> <p>自动添加 Rancher Helm Repo</p> </li> <li> <p>支持 Rancher Prime</p> </li> <li> <p>支持 Rancher Prime GC</p> </li> <li> <p>支持指定 Rancher 版本</p> </li> <li> <p>支持指定 Rancher 域名</p> </li> <li> <p>支持 Harbor 私有镜像仓库</p> </li> <li> <p>支持 Helm Upgrade/Install</p> </li> </ul> <hr> <h1 class="relative group">二、前置条件 <div id="二前置条件" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e4%ba%8c%e5%89%8d%e7%bd%ae%e6%9d%a1%e4%bb%b6" aria-label="锚点">#</a> </span> </h1> <h2 class="relative group">Kubernetes 集群 <div id="kubernetes-集群" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#kubernetes-%e9%9b%86%e7%be%a4" aria-label="锚点">#</a> </span> </h2> <p>已安装并运行：</p>https://blog.ivanwz.com/posts/posts/rke2/rke2-install-shell/Fri, 19 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/rke2/rke2-install-shell/<h2 class="relative group">文档说明 <div id="文档说明" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e6%96%87%e6%a1%a3%e8%af%b4%e6%98%8e" aria-label="锚点">#</a> </span> </h2> <p>本文档用于通过 Harbor Proxy Cache 部署 RKE2 集群。</p> <p>当前环境：</p> <table> <thead> <tr> <th>项目</th> <th>值</th> </tr> </thead> <tbody> <tr> <td>Harbor地址</td> <td>harbor.rancherlsp.com</td> </tr> <tr> <td>Harbor版本</td> <td>2.14.4</td> </tr> <tr> <td>RKE2安装方式</td> <td>官方安装脚本</td> </tr> <tr> <td>镜像加速方式</td> <td>Harbor Proxy Cache</td> </tr> <tr> <td>容器运行时</td> <td>containerd</td> </tr> <tr> <td>kubectl安装方式</td> <td>RKE2内置</td> </tr> <tr> <td>crictl安装方式</td> <td>RKE2内置</td> </tr> </tbody> </table> <hr> <h1 class="relative group">一、Harbor准备工作 <div id="一harbor准备工作" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e4%b8%80harbor%e5%87%86%e5%a4%87%e5%b7%a5%e4%bd%9c" aria-label="锚点">#</a> </span> </h1> <h2 class="relative group">1、创建Registry Endpoint <div id="1创建registry-endpoint" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1%e5%88%9b%e5%bb%baregistry-endpoint" aria-label="锚点">#</a> </span> </h2> <p>进入：</p>https://blog.ivanwz.com/posts/posts/rke2/rke2-install-with-harborproxy/Fri, 19 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/rke2/rke2-install-with-harborproxy/<h1 class="relative group">RKE2 通过 Harbor Proxy Cache 部署指南 <div id="rke2-通过-harbor-proxy-cache-部署指南" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#rke2-%e9%80%9a%e8%bf%87-harbor-proxy-cache-%e9%83%a8%e7%bd%b2%e6%8c%87%e5%8d%97" aria-label="锚点">#</a> </span> </h1> <h2 class="relative group">环境信息 <div id="环境信息" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e7%8e%af%e5%a2%83%e4%bf%a1%e6%81%af" aria-label="锚点">#</a> </span> </h2> <table> <thead> <tr> <th>项目</th> <th>信息</th> </tr> </thead> <tbody> <tr> <td>Harbor版本</td> <td>2.14.4</td> </tr> <tr> <td>Harbor地址</td> <td>harbor.rancherlsp.com</td> </tr> <tr> <td>RKE2版本</td> <td>v1.34.7+rke2r1</td> </tr> <tr> <td>镜像代理方式</td> <td>Harbor Proxy Cache</td> </tr> <tr> <td>容器运行时</td> <td>containerd</td> </tr> </tbody> </table> <hr> <h1 class="relative group">一、Harbor配置 <div id="一harbor配置" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e4%b8%80harbor%e9%85%8d%e7%bd%ae" aria-label="锚点">#</a> </span> </h1> <h2 class="relative group">1. 创建Registry Endpoint <div id="1-创建registry-endpoint" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1-%e5%88%9b%e5%bb%baregistry-endpoint" aria-label="锚点">#</a> </span> </h2> <p>进入：</p>https://blog.ivanwz.com/posts/posts/observability/o11y-install/Fri, 19 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/observability/o11y-install/<h2 class="relative group">1. 文档说明 <div id="1-文档说明" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1-%e6%96%87%e6%a1%a3%e8%af%b4%e6%98%8e" aria-label="锚点">#</a> </span> </h2> <p>本文档用于指导在 RKE2 Kubernetes 集群中安装 SUSE Observability。安装过程包含 Longhorn 存储环境准备、离线/私有镜像仓库镜像准备、证书准备、Helm values 配置以及 SUSE Observability 安装。</p> <blockquote><p>说明：本文中的域名、IP、Harbor 地址、用户名、密码、License Key 等均为示例或现场环境值。生产环境中请根据实际情况替换，并避免将明文密码提交到代码仓库或共享文档中。</p>https://blog.ivanwz.com/pages/about/Fri, 19 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/pages/about/<p>这里是一个面向工程实践的中文技术博客，主要记录 Linux、云原生、AI等方向的知识沉淀。</p> <h2 class="relative group">内容方向 <div id="内容方向" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e5%86%85%e5%ae%b9%e6%96%b9%e5%90%91" aria-label="锚点">#</a> </span> </h2> <ul> <li>Linux 系统管理、性能分析、故障排查</li> <li>Kubernetes、容器、服务网格、平台工程</li> <li>AI</li> </ul> <h2 class="relative group">写作原则 <div id="写作原则" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e5%86%99%e4%bd%9c%e5%8e%9f%e5%88%99" aria-label="锚点">#</a> </span> </h2> <p>文章尽量从真实问题出发，保留上下文、命令、配置和排查过程。技术关键词保留英文，正文以中文表达为主。</p>https://blog.ivanwz.com/posts/posts/cloud-native/kubernetes-workload-overview/Thu, 18 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/cloud-native/kubernetes-workload-overview/<p>Kubernetes 的对象很多，但初学时可以先把应用发布理解成几个核心对象之间的协作。</p> <h2 class="relative group">Deployment <div id="deployment" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#deployment" aria-label="锚点">#</a> </span> </h2> <p>Deployment 描述应用副本、镜像版本和滚动更新策略。它负责把期望状态持续同步到集群中。</p> <div class="highlight-wrapper"><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l">apps/v1</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">Deployment</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="nt">metadata</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">demo-api</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="nt">spec</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">replicas</span><span class="p">:</span><span class="w"> </span><span class="m">2</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">selector</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">matchLabels</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l">demo-api</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">template</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">metadata</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">labels</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l">demo-api</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">spec</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">containers</span><span class="p">:</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">api</span><span class="w"> </span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">nginx:1.27</span></span></span></code></pre></div></div> <h2 class="relative group">Service <div id="service" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#service" aria-label="锚点">#</a> </span> </h2> <p>Pod 会变化，Service 提供稳定访问入口。应用之间通常不直接访问 Pod IP，而是访问 Service。</p>https://blog.ivanwz.com/posts/posts/ai/llm-rag-starter/Wed, 17 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/ai/llm-rag-starter/<p>RAG 是把外部知识接入大模型的常见方式。它并不神秘，本质上是一条从文档到答案的工程链路。</p> <h2 class="relative group">文档切分 <div id="文档切分" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e6%96%87%e6%a1%a3%e5%88%87%e5%88%86" aria-label="锚点">#</a> </span> </h2> <p>文档需要被切成适合检索的片段。切分太大，召回不精准；切分太小，上下文容易丢失。常见做法是按标题、段落和固定 token 数组合切分。</p>https://blog.ivanwz.com/posts/posts/devops/cloudflare-pages-hugo-pagefind/Tue, 16 Jun 2026 00:00:00 +0000hello@example.com (Ivan)https://blog.ivanwz.com/posts/posts/devops/cloudflare-pages-hugo-pagefind/<p>静态博客的运维成本很低，适合个人技术博客。Hugo 负责生成页面，Pagefind 负责生成本地搜索索引，Cloudflare Pages 负责自动构建和分发。</p> <h2 class="relative group">构建命令 <div id="构建命令" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e6%9e%84%e5%bb%ba%e5%91%bd%e4%bb%a4" aria-label="锚点">#</a> </span> </h2> <p>项目中的 <code>package.json</code> 提供了生产构建命令：</p>