https://www.leanku.com/tags/k8s/Recent content in K8s on Leanku 的博客Hugozh-cnSun, 11 May 2025 22:46:01 +0800https://www.leanku.com/post/devops/kubernetesk8s%E5%8D%95%E6%9C%BA%E7%8E%AF%E5%A2%83%E9%83%A8%E7%BD%B2/Sun, 11 May 2025 22:46:01 +0800https://www.leanku.com/post/devops/kubernetesk8s%E5%8D%95%E6%9C%BA%E7%8E%AF%E5%A2%83%E9%83%A8%E7%BD%B2/<h1 id="kubernetesk8s单机环境部署">Kubernetes（k8s）单机环境部署</h1> <h2 id="1-kubernetes-k8s--简介">1. <a href="https://kubernetes.p2hp.com/">Kubernetes (K8s)</a> 简介</h2> <p>此文适合新手快速上手，涵盖安装、配置、基本使用 单机环境</p> <h2 id="2-环境">2. 环境</h2> <p><strong>系统要求</strong></p> <ul> <li>操作系统：Linux（Ubuntu/CentOS）或 macOS（开发环境）</li> <li>内存：至少 2GB（推荐 4GB+）</li> <li>CPU：2 核+</li> <li>存储：20GB+ 可用空间</li> </ul> <p><strong>安装工具</strong></p> <ul> <li>Docker（K8s 依赖容器运行时）</li> <li>kubectl（K8s 命令行工具）</li> <li>Minikube（本地单节点 K8s，适合学习）</li> </ul> <h2 id="3-前置配置">3. 前置配置</h2> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="ln"> 1</span><span class="cl"><span class="c1"># 1.关闭 swap</span> </span></span><span class="line"><span class="ln"> 2</span><span class="cl">sudo swapoff -a </span></span><span class="line"><span class="ln"> 3</span><span class="cl">sudo sed -i <span class="s1">&#39;/ swap / s/^\(.*\)$/#\1/g&#39;</span> /etc/fstab </span></span><span class="line"><span class="ln"> 4</span><span class="cl"> </span></span><span class="line"><span class="ln"> 5</span><span class="cl"><span class="c1"># 2.加载内核模块</span> </span></span><span class="line"><span class="ln"> 6</span><span class="cl">sudo modprobe overlay </span></span><span class="line"><span class="ln"> 7</span><span class="cl">sudo modprobe br_netfilter </span></span><span class="line"><span class="ln"> 8</span><span class="cl"> </span></span><span class="line"><span class="ln"> 9</span><span class="cl"><span class="c1"># 3.设置内核参数</span> </span></span><span class="line"><span class="ln">10</span><span class="cl">cat <span class="s">&lt;&lt;EOF | sudo tee /etc/sysctl.d/k8s.conf </span></span></span><span class="line"><span class="ln">11</span><span class="cl"><span class="s">net.bridge.bridge-nf-call-ip6tables = 1 </span></span></span><span class="line"><span class="ln">12</span><span class="cl"><span class="s">net.bridge.bridge-nf-call-iptables = 1 </span></span></span><span class="line"><span class="ln">13</span><span class="cl"><span class="s">net.ipv4.ip_forward = 1 </span></span></span><span class="line"><span class="ln">14</span><span class="cl"><span class="s">EOF</span> </span></span><span class="line"><span class="ln">15</span><span class="cl"> </span></span><span class="line"><span class="ln">16</span><span class="cl">sudo sysctl --system </span></span></code></pre></div><h2 id="4安装container-runtime推荐使用-containerd">4.安装<strong>container runtime</strong>（推荐使用 containerd）</h2> <p>Kubernetes v1.24 开始，完全移除了 dockershim</p>