{"id":31442,"date":"2026-07-10T08:00:00","date_gmt":"2026-07-10T00:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/uncategorized\/k3s-kubernetes-cluster-setup-guide\/"},"modified":"2026-07-21T16:39:38","modified_gmt":"2026-07-21T08:39:38","slug":"k3s-kubernetes-cluster-setup-guide","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/tutorials\/k3s-kubernetes-cluster-setup-guide\/","title":{"rendered":"K3s \u96c6\u7fa4\u8fd0\u7ef4\u4e0e\u6545\u969c\u6392\u67e5\uff1a\u8bc1\u4e66\u3001\u5907\u4efd\u4e0e\u5347\u7ea7\u6307\u5357"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/k3s-kubernetes-cluster-setup-guide-cover.webp\" alt=\"K3s \u96c6\u7fa4\u8fd0\u7ef4\u4e0e\u6545\u969c\u6392\u67e5\u5c01\u9762\u56fe\" loading=\"lazy\" \/><\/p>\n<p>K3s \u96c6\u7fa4\u642d\u5efa\u8d77\u6765\u53ea\u9700\u8981\u4e00\u6761\u547d\u4ee4\uff0c\u4f46\u771f\u6b63\u8003\u9a8c\u56e2\u961f\u7684\u662f\u4e0a\u7ebf\u4e4b\u540e\u7684\u65e5\u5e38\u8fd0\u7ef4\u3002\u8bc1\u4e66\u8fc7\u671f\u5bfc\u81f4 API \u4e0d\u53ef\u8fbe\u3001\u8282\u70b9\u78c1\u76d8\u5199\u6ee1\u5f15\u53d1 Pod \u9a71\u9010\u3001\u5347\u7ea7\u540e\u7ec4\u4ef6\u4e0d\u517c\u5bb9\u2014\u2014\u8fd9\u4e9b\u6545\u969c\u5728\u4e2d\u5c0f\u56e2\u961f\u4e2d\u53cd\u590d\u51fa\u73b0\uff0c\u800c\u5927\u591a\u6570\u56e2\u961f\u5e76\u6ca1\u6709\u4e13\u804c\u8fd0\u7ef4\u6765\u515c\u5e95\u3002\u672c\u6587\u5c06\u6559\u4f60\u5982\u4f55\u89e3\u51b3 K3s \u96c6\u7fa4\u4e0a\u7ebf\u540e\u7684\u56db\u5927\u6838\u5fc3\u8fd0\u7ef4\u95ee\u9898\uff1a\u8bc1\u4e66\u8f6e\u6362\u3001\u8282\u70b9\u7ba1\u7406\u3001\u6570\u636e\u5907\u4efd\u548c\u6545\u969c\u6392\u67e5\uff0c\u5e2e\u52a9\u4f60\u5efa\u7acb\u53ef\u590d\u67e5\u3001\u53ef\u6062\u590d\u3001\u53ef\u5347\u7ea7\u7684\u8fd0\u7ef4\u6d41\u7a0b\uff0c\u5728\u6ca1\u6709\u4e13\u804c\u8fd0\u7ef4\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u8ba9\u96c6\u7fa4\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n<p><!--more--><\/p>\n<h2>K3s \u96c6\u7fa4\u8fd0\u7ef4\u7684\u6838\u5fc3\u4efb\u52a1<\/h2>\n<p>K3s \u867d\u7136\u6bd4\u6807\u51c6 K8s\uff08\u5bb9\u5668\u7f16\u6392\u5e73\u53f0\uff09\u8f7b\u91cf\uff0c\u4f46\u8fd0\u7ef4\u5de5\u4f5c\u5e76\u6ca1\u6709\u6d88\u5931\uff0c\u53ea\u662f\u6362\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u3002\u8bc1\u4e66\u7eed\u671f\u7a97\u53e3\u3001\u5907\u4efd\u8303\u56f4\u548c\u5347\u7ea7\u5f71\u54cd\u90fd\u6709\u660e\u786e\u5b98\u65b9\u53e3\u5f84\uff0c\u4e0d\u80fd\u7ee7\u7eed\u6cbf\u7528\u65e7\u7ecf\u9a8c\u3002\u4ee5\u4e0b\u56db\u4e2a\u4efb\u52a1\u8986\u76d6\u4e86\u4e2d\u5c0f\u56e2\u961f\u5927\u591a\u6570\u65e5\u5e38\u9700\u6c42\uff1a<\/p>\n<ul>\n<li><strong>\u8bc1\u4e66\u7ba1\u7406<\/strong>\uff1aK3s \u4f1a\u5728\u542f\u52a8\u65f6\u81ea\u52a8\u7eed\u671f\u5df2\u8fc7\u671f\u6216 120 \u5929\u5185\u5230\u671f\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u8bc1\u4e66\uff1b\u5982\u679c\u7cfb\u7edf\u65f6\u95f4\u5f02\u5e38\u6216\u7ec4\u4ef6\u4ecd\u62a5\u8bc1\u4e66\u9519\u8bef\uff0c\u518d\u6309\u5b98\u65b9\u987a\u5e8f\u505c\u670d\u3001\u8f6e\u6362\u3001\u542f\u52a8<\/li>\n<li><strong>\u8282\u70b9\u7ba1\u7406<\/strong>\uff1a\u6dfb\u52a0 Worker \u8282\u70b9\u3001\u79fb\u9664\u6545\u969c\u8282\u70b9\u3001\u67e5\u770b\u8282\u70b9\u8d44\u6e90\u6c34\u4f4d\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u76f4\u63a5\u5f71\u54cd\u96c6\u7fa4\u7684\u8c03\u5ea6\u80fd\u529b<\/li>\n<li><strong>\u5907\u4efd\u4e0e\u6062\u590d<\/strong>\uff1a\u5355 Server \u8282\u70b9\u9ed8\u8ba4\u4f7f\u7528 SQLite\uff08\u8f7b\u91cf\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\uff09\u5b58\u50a8\u96c6\u7fa4\u72b6\u6001\uff0c\u53ef\u9760\u5907\u4efd\u5fc5\u987b\u8986\u76d6\u6574\u4e2a <code>\/var\/lib\/rancher\/k3s\/server\/db\/<\/code> \u76ee\u5f55\uff0c\u5e76\u5355\u72ec\u4fdd\u5b58 <code>\/var\/lib\/rancher\/k3s\/server\/token<\/code><\/li>\n<li><strong>\u7248\u672c\u5347\u7ea7<\/strong>\uff1aK3s \u7684\u5347\u7ea7\u811a\u672c\u8bbe\u8ba1\u5f97\u76f8\u5f53\u7b80\u6d01\uff0c\u4f46\u5347\u7ea7\u524d\u9700\u8981\u786e\u8ba4\u517c\u5bb9\u6027\u548c\u6570\u636e\u5907\u4efd<\/li>\n<\/ul>\n<p>\u4e0e\u6807\u51c6 K8s \u4e0d\u540c\uff0c\u5355 Server \u7684 K3s \u9ed8\u8ba4\u4e0d\u9700\u8981\u4f60\u7ba1\u7406 etcd\uff08\u5206\u5e03\u5f0f\u952e\u503c\u5b58\u50a8\uff0cK8s \u7684\u6838\u5fc3\u6570\u636e\u5c42\uff09\u96c6\u7fa4\uff0c\u4e5f\u4e0d\u9700\u8981\u624b\u52a8\u914d\u7f6e\u7f51\u7edc\u63d2\u4ef6 CNI\uff08\u5bb9\u5668\u7f51\u7edc\u63a5\u53e3\uff0c\u8d1f\u8d23 Pod \u95f4\u901a\u4fe1\uff09\u3002\u5982\u679c\u8981\u4f7f\u7528\u5185\u7f6e etcd \u505a\u63a7\u5236\u9762\u9ad8\u53ef\u7528\uff0c\u5b98\u65b9\u8981\u6c42\u81f3\u5c11 3 \u4e2a Server \u8282\u70b9\uff1b\u5916\u90e8\u6570\u636e\u5e93\u65b9\u6848\u624d\u9002\u5408\u4ece 2 \u4e2a Server \u8282\u70b9\u8d77\u6b65\u3002\u8fd0\u7ef4\u8d1f\u62c5\u5927\u5e45\u964d\u4f4e\uff0c\u4f46\u6838\u5fc3\u7684\u8bc1\u4e66\u3001\u5907\u4efd\u3001\u5347\u7ea7\u8fd9\u4e09\u4ef6\u4e8b\u4ecd\u7136\u4e0d\u80fd\u5ffd\u89c6\u3002<\/p>\n<h2>\u8bc1\u4e66\u7ba1\u7406\uff1a\u6700\u5e38\u89c1\u7684\u6545\u969c\u6765\u6e90<\/h2>\n<p>K3s \u9ed8\u8ba4\u4f7f\u7528\u81ea\u7b7e\u540d\u8bc1\u4e66\uff1b\u5f53\u524d\u53d7\u652f\u6301\u7248\u672c\u4f1a\u5728 K3s \u542f\u52a8\u65f6\u68c0\u67e5\u8bc1\u4e66\uff0c\u5e76\u81ea\u52a8\u7eed\u671f\u5df2\u7ecf\u8fc7\u671f\u6216 120 \u5929\u5185\u5230\u671f\u7684\u5ba2\u6237\u7aef\u8bc1\u4e66\u548c\u670d\u52a1\u5668\u8bc1\u4e66\u3002\u8fd9\u91cc\u8981\u533a\u5206\uff1a90 \u5929\u7a97\u53e3\u662f 2025 \u5e74 5 \u6708\u524d\u65e7\u7248\u672c\u89c4\u5219\uff0c\u957f\u65f6\u95f4\u79bb\u7ebf\u540e\u91cd\u65b0\u542f\u52a8\u4e5f\u4e0d\u4ee3\u8868\u4f1a\u8df3\u8fc7\u81ea\u52a8\u7eed\u671f\u3002\u771f\u6b63\u9700\u8981\u4eba\u5de5\u4ecb\u5165\u7684\u573a\u666f\u901a\u5e38\u662f\u7cfb\u7edf\u65f6\u95f4\u5f02\u5e38\u3001\u8bc1\u4e66\u94fe\u88ab\u624b\u52a8\u6539\u52a8\uff0c\u6216\u8f6e\u6362\u540e\u7ec4\u4ef6\u6ca1\u6709\u91cd\u65b0\u52a0\u8f7d\u8bc1\u4e66\u3002<\/p>\n<ul>\n<li><strong>\u7cfb\u7edf\u65f6\u95f4\u88ab\u624b\u52a8\u6539\u52a8<\/strong>\uff1a\u65f6\u95f4\u8df3\u8dc3\u4f1a\u5bfc\u81f4\u8bc1\u4e66\u6821\u9a8c\u5931\u8d25\uff0ckubectl \u547d\u4ee4\u8fd4\u56de <code>certificate has expired or is not yet valid<\/code> \u9519\u8bef<\/li>\n<li><strong>\u8282\u70b9\u91cd\u65b0\u52a0\u5165\u96c6\u7fa4<\/strong>\uff1a\u65e7\u8282\u70b9\u4e0a\u7684\u8bc1\u4e66\u4e0e Server \u7aef\u4e0d\u5339\u914d\uff0c\u9700\u8981\u6e05\u7406\u540e\u91cd\u65b0\u52a0\u5165<\/li>\n<\/ul>\n<p>\u624b\u52a8\u89e6\u53d1\u8bc1\u4e66\u8f6e\u6362\u65f6\uff0c\u987a\u5e8f\u4e0d\u80fd\u7701\u7565\u3002\u5b98\u65b9\u63a8\u8350\u5148\u505c\u6b62 K3s \u670d\u52a1\uff0c\u518d\u6267\u884c\u8f6e\u6362\u547d\u4ee4\uff0c\u6700\u540e\u91cd\u65b0\u542f\u52a8\u670d\u52a1\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo systemctl stop k3s\nsudo k3s certificate rotate\nsudo systemctl start k3s\n<\/pre>\n<p>\u6267\u884c\u540e\u7b49\u5f85 30 \u79d2\u5de6\u53f3\uff0c\u7528 <code>kubectl get nodes<\/code> \u786e\u8ba4\u8282\u70b9\u72b6\u6001\u6062\u590d\u4e3a <code>Ready<\/code>\u3002\u5982\u679c\u4ecd\u7136\u62a5\u8bc1\u4e66\u9519\u8bef\uff0c\u68c0\u67e5\u670d\u52a1\u5668\u65f6\u95f4\u662f\u5426\u51c6\u786e\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\ndate\nsudo timedatectl set-ntp true\n<\/pre>\n<p>\u65f6\u95f4\u540c\u6b65\u540e\u518d\u6b21\u6309\u201c\u505c\u6b62\u3001\u8f6e\u6362\u3001\u542f\u52a8\u201d\u7684\u987a\u5e8f\u6267\u884c\u3002\u5bf9\u4e8e\u591a\u8282\u70b9\u96c6\u7fa4\uff0c\u6bcf\u4e2a Worker \u8282\u70b9\u4e5f\u9700\u8981\u91cd\u542f K3s agent \u670d\u52a1\u6765\u52a0\u8f7d\u65b0\u8bc1\u4e66\uff1b\u5982\u679c\u662f\u5185\u7f6e etcd \u9ad8\u53ef\u7528\u96c6\u7fa4\uff0c\u5e94\u9010\u53f0\u5904\u7406 Server \u8282\u70b9\u3002<\/p>\n<h2>\u8282\u70b9\u7ba1\u7406\uff1a\u6dfb\u52a0\u4e0e\u79fb\u9664 Worker<\/h2>\n<p>\u5355\u8282\u70b9\u96c6\u7fa4\u80fd\u8dd1\u6d4b\u8bd5\u73af\u5883\uff0c\u4f46\u751f\u4ea7\u73af\u5883\u8981\u5148\u533a\u5206\u4e24\u7c7b\u76ee\u6807\uff1a\u5982\u679c\u53ea\u662f\u63d0\u5347\u4e1a\u52a1 Pod \u7684\u8c03\u5ea6\u4f59\u91cf\uff0c\u53ef\u4ee5\u5728 1 \u4e2a Server \u540e\u589e\u52a0 Worker \u8282\u70b9\uff1b\u5982\u679c\u76ee\u6807\u662f\u63a7\u5236\u9762\u9ad8\u53ef\u7528\uff0c\u5185\u7f6e etcd \u81f3\u5c11\u9700\u8981 3 \u4e2a Server \u8282\u70b9\uff0c\u4e0d\u80fd\u628a\u201c1 \u4e2a Server + 1 \u4e2a Worker\u201d\u7406\u89e3\u6210\u63a7\u5236\u9762\u9ad8\u53ef\u7528\u3002\u6dfb\u52a0 Worker \u8282\u70b9\u7684\u6d41\u7a0b\u6bd4\u6807\u51c6 K8s \u7b80\u5355\u5f97\u591a\u3002<\/p>\n<h3>\u83b7\u53d6\u52a0\u5165\u4ee4\u724c<\/h3>\n<p>\u5728 Server \u8282\u70b9\u4e0a\u67e5\u770b\u8282\u70b9\u4ee4\u724c\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo cat \/var\/lib\/rancher\/k3s\/server\/node-token\n<\/pre>\n<p>\u8f93\u51fa\u662f\u4e00\u4e32\u957f token\uff0c\u590d\u5236\u5b83\u3002\u7136\u540e\u5728 Worker \u8282\u70b9\u4e0a\u6267\u884c\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\ncurl -sfL https:\/\/get.k3s.io | K3S_URL=https:\/\/SERVER_IP:6443 K3S_TOKEN=*** sh -\n<\/pre>\n<p>\u5c06 <code>SERVER_IP<\/code> \u66ff\u6362\u4e3a Server \u8282\u70b9\u7684\u5185\u7f51\u6216\u516c\u7f51 IP\uff0c<code>YOUR_TOKEN<\/code> \u66ff\u6362\u4e3a\u4e0a\u9762\u83b7\u53d6\u7684 token\u3002\u5b89\u88c5\u5b8c\u6210\u540e\u5728 Server \u8282\u70b9\u4e0a\u9a8c\u8bc1\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nkubectl get nodes\n<\/pre>\n<p>\u5982\u679c\u65b0\u8282\u70b9\u663e\u793a <code>NotReady<\/code>\uff0c\u6700\u5e38\u89c1\u7684\u539f\u56e0\u662f\u9632\u706b\u5899\u672a\u653e\u884c 8472\/UDP \u7aef\u53e3\uff08Flannel VXLAN \u96a7\u9053\u7aef\u53e3\uff09\u3002\u68c0\u67e5 Worker \u8282\u70b9\u7684\u9632\u706b\u5899\u89c4\u5219\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo ufw allow 8472\/udp\n<\/pre>\n<p>\u79fb\u9664\u8282\u70b9\u65f6\uff0c\u5148\u5728 Server \u7aef\u9a71\u9010\u5e76\u5220\u9664\u8282\u70b9\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nkubectl drain NODE_NAME --ignore-daemonsets --delete-emptydir-data\nkubectl delete node NODE_NAME\n<\/pre>\n<p>\u7136\u540e\u5728 Worker \u8282\u70b9\u4e0a\u505c\u6b62\u5e76\u6e05\u7406 K3s agent\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo systemctl stop k3s-agent\nsudo \/usr\/local\/bin\/k3s-agent-uninstall.sh\n<\/pre>\n<p>\u5bf9\u4e8e\u9700\u8981\u540c\u65f6\u7ba1\u7406\u591a\u4e2a\u8282\u70b9\u7684\u56e2\u961f\uff0cK3s \u914d\u5408 <a href=\"https:\/\/cn.hostease.com\/vps\/\">Hostease VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09<\/a> \u53ef\u4ee5\u5feb\u901f\u642d\u5efa\u591a\u8282\u70b9\u96c6\u7fa4\uff0c\u6bcf\u4e2a\u8282\u70b9\u72ec\u7acb\u8ba1\u8d39\uff0c\u6309\u9700\u6269\u5c55\u3002\u5982\u679c\u5de5\u4f5c\u8d1f\u8f7d\u5bf9\u78c1\u76d8 I\/O \u8981\u6c42\u8f83\u9ad8\uff0c<a href=\"https:\/\/cn.hostease.com\/dedicated-server\/\">\u72ec\u7acb\u670d\u52a1\u5668<\/a> \u7684 NVMe SSD\uff08\u975e\u6613\u5931\u6027\u5b58\u50a8\u9ad8\u901f\u63a5\u53e3\u56fa\u6001\u786c\u76d8\uff09\u65b9\u6848\u80fd\u663e\u8457\u63d0\u5347 etcd \u6216 SQLite \u7684\u5199\u5165\u6027\u80fd\u3002<\/p>\n<h2>\u5907\u4efd\u4e0e\u6062\u590d\uff1a\u9632\u6b62\u6570\u636e\u4e22\u5931<\/h2>\n<p>K3s \u9ed8\u8ba4\u4f7f\u7528\u5d4c\u5165\u5f0f SQLite \u6570\u636e\u5e93\u5b58\u50a8\u96c6\u7fa4\u72b6\u6001\uff0c\u5305\u62ec Namespace\u3001Deployment\u3001Service\u3001ConfigMap \u7684\u5143\u6570\u636e\u3002\u65e7\u6559\u7a0b\u5e38\u8bf4\u53ea\u590d\u5236 <code>state.db<\/code>\uff0c\u4f46\u8fd9\u4e0d\u80fd\u6784\u6210\u5b8c\u6574\u5907\u4efd\u3002\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\u662f\u5907\u4efd\u6574\u4e2a <code>\/var\/lib\/rancher\/k3s\/server\/db\/<\/code> \u76ee\u5f55\uff0c\u5e76\u4fdd\u5b58 <code>\/var\/lib\/rancher\/k3s\/server\/token<\/code>\uff1b\u8fd9\u4e2a token \u4f1a\u5f71\u54cd\u8282\u70b9\u91cd\u65b0\u52a0\u5165\u548c\u6062\u590d\u540e\u7684\u96c6\u7fa4\u8eab\u4efd\u6821\u9a8c\u3002<\/p>\n<p>\u63a8\u8350\u4f7f\u7528 cron \u4efb\u52a1\u6bcf\u5929\u6267\u884c\u4e00\u6b21\u5907\u4efd\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo crontab -e\n0 3 * * * tar -czf \/backup\/k3s-$(date +\\%Y\\%m\\%d).tgz \/var\/lib\/rancher\/k3s\/server\/db \/var\/lib\/rancher\/k3s\/server\/token\n<\/pre>\n<p>\u6062\u590d\u65f6\uff0c\u5148\u505c\u6b62 K3s \u670d\u52a1\uff0c\u89e3\u538b\u5907\u4efd\u76ee\u5f55\u5e76\u786e\u8ba4\u6587\u4ef6\u5c5e\u4e3b\u6743\u9650\uff0c\u518d\u542f\u52a8\u670d\u52a1\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nsudo systemctl stop k3s\nsudo tar -xzf \/backup\/k3s-20260709.tgz -C \/\nsudo systemctl start k3s\n<\/pre>\n<p>\u6062\u590d\u5b8c\u6210\u540e\uff0c\u7528 <code>kubectl get pods --all-namespaces<\/code> \u786e\u8ba4\u5de5\u4f5c\u8d1f\u8f7d\u72b6\u6001\u3002SQLite \u76f8\u5173\u5907\u4efd\u53ea\u6062\u590d\u96c6\u7fa4\u5143\u6570\u636e\u548c\u96c6\u7fa4 token\uff0c\u4e0d\u5305\u542b\u5bb9\u5668\u955c\u50cf\u548c\u6301\u4e45\u5377\u6570\u636e\u3002\u5982\u679c\u4f7f\u7528\u4e86 local-path \u5b58\u50a8\uff0c\u6301\u4e45\u5377\u6570\u636e\u9700\u8981\u5355\u72ec\u5907\u4efd\uff1b\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u628a\u5143\u6570\u636e\u5907\u4efd\u548c PV\uff08\u6301\u4e45\u5377\uff09\u5907\u4efd\u5206\u6210\u4e24\u6761\u4efb\u52a1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/k3s-kubernetes-cluster-setup-guide-backup-recovery.webp\" alt=\"K3s \u96c6\u7fa4\u5907\u4efd\u4e0e\u6062\u590d\u6d41\u7a0b\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u7248\u672c\u5347\u7ea7\uff1a\u5b89\u5168\u64cd\u4f5c\u6b65\u9aa4<\/h2>\n<p>K3s \u7684\u5347\u7ea7\u65b9\u5f0f\u6bd4\u6807\u51c6 K8s \u7b80\u5355\uff0c\u4f46\u5347\u7ea7\u524d\u4ecd\u8981\u505a\u597d\u51c6\u5907\u3002\u5347\u7ea7\u811a\u672c\u4f1a\u66ff\u6362 K3s \u4e8c\u8fdb\u5236\u6587\u4ef6\u5e76\u91cd\u542f\u670d\u52a1\uff0c\u56e0\u6b64 API Server \u4f1a\u77ed\u6682\u4e0d\u53ef\u7528\uff0c\u8282\u70b9\u7ec4\u4ef6\u4e5f\u4f1a\u91cd\u65b0\u8fde\u63a5\uff1b\u4e0d\u80fd\u65e0\u6761\u4ef6\u627f\u8bfa\u5bf9\u5df2\u6709 Pod \u548c\u914d\u7f6e\u6ca1\u6709\u5f71\u54cd\u3002\u7a33\u59a5\u505a\u6cd5\u662f\u5728\u4e1a\u52a1\u4f4e\u5cf0\u671f\u6267\u884c\uff0c\u5148\u5907\u4efd\uff0c\u518d\u9010\u53f0\u5347\u7ea7\u5e76\u89c2\u5bdf\u4e8b\u4ef6\u3002<\/p>\n<p>\u5347\u7ea7\u524d\u5148\u786e\u8ba4\u5f53\u524d\u7248\u672c\u548c\u76ee\u6807\u7248\u672c\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nk3s --version\n<\/pre>\n<p>\u5355\u8282\u70b9\u96c6\u7fa4\u7684\u5347\u7ea7\u547d\u4ee4\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\ncurl -sfL https:\/\/get.k3s.io | sh -s - --write-kubeconfig-mode 644\n<\/pre>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u68c0\u6d4b\u5df2\u5b89\u88c5\u7684 K3s \u7248\u672c\uff0c\u81ea\u52a8\u4e0b\u8f7d\u5e76\u66ff\u6362\u4e3a\u6700\u65b0\u7a33\u5b9a\u7248\u3002\u5347\u7ea7\u8fc7\u7a0b\u4e2d K3s \u670d\u52a1\u4f1a\u77ed\u6682\u91cd\u542f\uff0cAPI \u53ef\u80fd\u6709\u51e0\u5341\u79d2\u4e0d\u53ef\u7528\uff1b\u591a\u6570\u5df2\u8fd0\u884c Pod \u4f1a\u7ee7\u7eed\u7531\u5bb9\u5668\u8fd0\u884c\u65f6\u7ef4\u6301\uff0c\u4f46\u4f9d\u8d56 API \u8c03\u5ea6\u6216\u63a7\u5236\u5668\u53d8\u66f4\u7684\u5de5\u4f5c\u8d1f\u8f7d\u53ef\u80fd\u53d7\u5230\u5f71\u54cd\uff0c\u6240\u4ee5\u4ecd\u5e94\u63d0\u524d\u8bbe\u7f6e\u7ef4\u62a4\u7a97\u53e3\u3002<\/p>\n<p>\u591a\u8282\u70b9\u96c6\u7fa4\u5efa\u8bae\u5148\u9010\u53f0\u5904\u7406 Worker \u8282\u70b9\uff0c\u518d\u5904\u7406 Server \u8282\u70b9\uff1b\u5982\u679c\u662f\u591a Server \u63a7\u5236\u9762\uff0c\u5e94\u4e00\u6b21\u53ea\u5347\u7ea7\u4e00\u4e2a Server\uff0c\u6bcf\u6b21\u5347\u7ea7\u540e\u786e\u8ba4 <code>kubectl get nodes<\/code> \u548c\u6838\u5fc3\u7cfb\u7edf Pod \u72b6\u6001\u6b63\u5e38\u3002Worker \u8282\u70b9\u7684\u5347\u7ea7\u547d\u4ee4\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\ncurl -sfL https:\/\/get.k3s.io | K3S_URL=https:\/\/SERVER_IP:6443 K3S_TOKEN=*** sh -\n<\/pre>\n<p>\u5347\u7ea7\u540e\u68c0\u67e5\u5404\u8282\u70b9\u7248\u672c\u662f\u5426\u4e00\u81f4\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"bash\" data-enlighter-linenumbers=\"false\">\nkubectl get nodes -o wide\n<\/pre>\n<p>\u5982\u679c\u67d0\u4e2a\u8282\u70b9\u7248\u672c\u843d\u540e\uff0c\u91cd\u65b0\u5728\u8be5\u8282\u70b9\u6267\u884c\u5347\u7ea7\u547d\u4ee4\u5373\u53ef\u3002K3s \u7684\u5347\u7ea7\u811a\u672c\u901a\u5e38\u4f1a\u6cbf\u7528\u5df2\u6709\u914d\u7f6e\uff0c\u4f46\u5347\u7ea7\u524d\u4ecd\u5efa\u8bae\u5907\u4efd <code>\/etc\/rancher\/k3s\/<\/code> \u548c systemd service \u6587\u4ef6\u3002<\/p>\n<h2>\u5e38\u89c1\u6545\u969c\u6392\u67e5\u6e05\u5355<\/h2>\n<p>\u4ee5\u4e0b\u662f K3s \u96c6\u7fa4\u8fd0\u7ef4\u4e2d\u6700\u9ad8\u9891\u7684\u6545\u969c\u573a\u666f\u548c\u5bf9\u5e94\u7684\u6392\u67e5\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li><strong>kubectl \u8fde\u63a5\u8d85\u65f6<\/strong>\uff1a\u5148\u68c0\u67e5 K3s \u670d\u52a1\u662f\u5426\u5728\u8fd0\u884c <code>sudo systemctl status k3s<\/code>\uff0c\u7136\u540e\u786e\u8ba4 6443 \u7aef\u53e3\u662f\u5426\u76d1\u542c <code>ss -tlnp | grep 6443<\/code>\u3002\u5982\u679c\u670d\u52a1\u6b63\u5e38\u4f46\u7aef\u53e3\u672a\u76d1\u542c\uff0c\u68c0\u67e5\u78c1\u76d8\u7a7a\u95f4 <code>df -h<\/code>\u2014\u2014SQLite \u5728\u78c1\u76d8\u5199\u6ee1\u65f6\u4f1a\u62d2\u7edd\u5199\u5165\uff0c\u5bfc\u81f4 API \u4e0d\u53ef\u7528<\/li>\n<li><strong>Pod \u4e00\u76f4\u5904\u4e8e Pending \u72b6\u6001<\/strong>\uff1a\u8fd0\u884c <code>kubectl describe pod POD_NAME<\/code> \u67e5\u770b\u4e8b\u4ef6\u3002\u6700\u5e38\u89c1\u7684\u539f\u56e0\u662f\u8282\u70b9\u8d44\u6e90\u4e0d\u8db3\uff08CPU \u6216\u5185\u5b58\u4e0d\u591f\uff09\uff0c\u7528 <code>kubectl top nodes<\/code> \u67e5\u770b\u5404\u8282\u70b9\u8d44\u6e90\u6c34\u4f4d<\/li>\n<li><strong>\u8282\u70b9\u78c1\u76d8\u4f7f\u7528\u7387\u6301\u7eed\u589e\u957f<\/strong>\uff1aK3s \u9ed8\u8ba4\u4e0d\u4f1a\u6e05\u7406\u672a\u4f7f\u7528\u7684\u5bb9\u5668\u955c\u50cf\uff0c\u8fd0\u884c <code>sudo k3s crictl rmi --prune<\/code> \u53ef\u4ee5\u6e05\u7406\u4e0d\u518d\u88ab\u4efb\u4f55 Pod \u5f15\u7528\u7684\u955c\u50cf\u3002\u5efa\u8bae\u5728 cron \u4e2d\u6bcf\u5468\u6267\u884c\u4e00\u6b21<\/li>\n<li><strong>Flannel \u7f51\u7edc\u4e0d\u901a<\/strong>\uff1a\u68c0\u67e5 8472\/UDP \u7aef\u53e3\u662f\u5426\u653e\u884c\uff0c\u4ee5\u53ca <code>\/etc\/cni\/net.d\/<\/code> \u76ee\u5f55\u4e0b\u662f\u5426\u5b58\u5728 10-flannel.conflist \u6587\u4ef6\u3002\u5982\u679c\u6587\u4ef6\u7f3a\u5931\uff0c\u91cd\u65b0\u5b89\u88c5 K3s \u7f51\u7edc\u7ec4\u4ef6<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u6392\u67e5\u6b65\u9aa4\u8986\u76d6\u4e86 K3s \u96c6\u7fa4 80% \u4ee5\u4e0a\u7684\u65e5\u5e38\u6545\u969c\u3002\u5982\u679c\u9047\u5230\u66f4\u590d\u6742\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u53c2\u8003 K3s \u5b98\u65b9\u6587\u6863\u7684 Troubleshooting \u7ae0\u8282\uff0c\u6216\u8005\u5728 <a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u8fd0\u7ef4\u535a\u5ba2<\/a> \u4e2d\u627e\u5230\u66f4\u591a\u5b9e\u6218\u7ecf\u9a8c\u3002\u5bf9\u4e8e\u9700\u8981\u540c\u65f6\u7ba1\u7406\u591a\u4e2a\u7f51\u7ad9\u7684\u573a\u666f\uff0c<a href=\"https:\/\/cn.hostease.com\/wordpress-hosting\/\">WordPress \u6258\u7ba1\u65b9\u6848<\/a> \u63d0\u4f9b\u4e86\u5bb9\u5668\u5316\u90e8\u7f72\u7684\u53c2\u8003\u67b6\u6784\u3002\u5982\u679c\u6392\u67e5\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u5e94\u7528\u54cd\u5e94\u5ef6\u8fdf\u95ee\u9898\uff0c<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">TTFB\uff08\u9996\u5b57\u8282\u65f6\u95f4\uff09\u4f18\u5316\u65b9\u6cd5<\/a> \u53ef\u4ee5\u5e2e\u52a9\u4f60\u8fdb\u4e00\u6b65\u5b9a\u4f4d\u670d\u52a1\u5668\u4e0e\u5e94\u7528\u4e4b\u95f4\u7684\u6027\u80fd\u74f6\u9888\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/k3s-kubernetes-cluster-setup-guide-certificate-rotation.webp\" alt=\"K3s \u96c6\u7fa4\u8bc1\u4e66\u7ba1\u7406\u4e0e\u8282\u70b9\u6269\u5c55\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/07\/k3s-kubernetes-cluster-setup-guide-troubleshooting.webp\" alt=\"K3s \u96c6\u7fa4\u6545\u969c\u6392\u67e5\u6d41\u7a0b\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<h2>\u8fd0\u7ef4\u5efa\u8bae\u4e0e\u603b\u7ed3<\/h2>\n<p>K3s \u96c6\u7fa4\u7684\u8fd0\u7ef4\u5e76\u4e0d\u590d\u6742\uff0c\u4f46\u9700\u8981\u5efa\u7acb\u51e0\u4e2a\u57fa\u672c\u4e60\u60ef\u3002\u5efa\u8bae\u4f60\u5728\u96c6\u7fa4\u4e0a\u7ebf\u540e\u7acb\u5373\u505a\u4e09\u4ef6\u4e8b\uff1a\u914d\u7f6e\u6bcf\u65e5 <code>server\/db\/<\/code> \u76ee\u5f55\u4e0e <code>server\/token<\/code> \u5907\u4efd\u3001\u5728 cron \u4e2d\u8bbe\u7f6e\u6bcf\u5468\u955c\u50cf\u6e05\u7406\u3001\u8bb0\u5f55 Server \u8282\u70b9\u7684 node-token \u5230\u5b89\u5168\u4f4d\u7f6e\u3002\u8fd9\u4e09\u4ef6\u4e8b\u52a0\u8d77\u6765\u53ea\u9700\u8981 10 \u5206\u949f\uff0c\u4f46\u80fd\u5728\u5173\u952e\u65f6\u523b\u8282\u7701\u6570\u5c0f\u65f6\u7684\u6062\u590d\u65f6\u95f4\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5bfb\u627e\u670d\u52a1\u5668\u6765\u8fd0\u884c K3s \u96c6\u7fa4\uff0c<a href=\"https:\/\/cn.hostease.com\/vps\/\">Hostease VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u65b9\u6848<\/a> \u63d0\u4f9b\u591a\u79cd\u914d\u7f6e\uff0c\u652f\u6301\u6309\u9700\u5347\u7ea7\uff0c\u9002\u5408\u4ece\u5f00\u53d1\u6d4b\u8bd5\u5230\u5c0f\u578b\u751f\u4ea7\u73af\u5883\u9010\u6b65\u6269\u5c55\u3002\u603b\u7ed3\u6765\u770b\uff0cK3s \u7684\u8fd0\u7ef4\u6838\u5fc3\u662f\u8bc1\u4e66\u3001\u5907\u4efd\u3001\u5347\u7ea7\u4e09\u4ef6\u4e8b\uff0c\u628a\u8fd9\u4e09\u4ef6\u4e8b\u7ba1\u597d\uff0c\u96c6\u7fa4\u5c31\u80fd\u957f\u671f\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u6559\u4f60\u5982\u4f55\u6309\u5f53\u524d\u5b98\u65b9\u53e3\u5f84\u5904\u7406 K3s \u96c6\u7fa4\u8bc1\u4e66\u7eed\u671f\u3001\u8282\u70b9\u9ad8\u53ef\u7528\u3001SQLite 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