{"id":84396,"date":"2024-03-29T14:49:18","date_gmt":"2024-03-29T06:49:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=84396"},"modified":"2024-03-29T14:49:18","modified_gmt":"2024-03-29T06:49:18","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8linux%e4%b8%ad%e4%bd%bf%e7%94%a8kubectl%e7%ae%a1%e7%90%86kubernetes%e9%9b%86%e7%be%a4","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/84396.html","title":{"rendered":"\u5982\u4f55\u5728Linux\u4e2d\u4f7f\u7528Kubectl\u7ba1\u7406Kubernetes\u96c6\u7fa4"},"content":{"rendered":"

\"\u5982\u4f55\u5728Linux\u4e2d\u4f7f\u7528Kubectl\u7ba1\u7406Kubernetes\u96c6\u7fa4\"<\/p>\n

Kubernetes\u96c6\u7fa4\u7684\u7ba1\u7406\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b8c\u6210\uff0c\u4f46\u4f7f\u7528Kubectl\u5728Linux\u73af\u5883\u4e0b\u7ba1\u7406\u662f\u6700\u4e3a\u5e38\u89c1\u4e14\u5b98\u65b9\u63a8\u8350\u7684\u65b9\u6cd5\u3002Kubectl \u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u4e0e Kubernetes \u96c6\u7fa4\u4ea4\u4e92\u3001\u7ba1\u7406\u8d44\u6e90\u548c\u5e94\u7528\u90e8\u7f72<\/strong>\u3002\u4f7f\u7528 Kubectl \u7684\u524d\u63d0\u662f\u5df2\u7ecf\u6709\u4e00\u4e2a\u914d\u7f6e\u597d\u7684 Kubernetes \u96c6\u7fa4\u548c\u76f8\u5e94\u7684\u8bbf\u95ee\u6743\u9650\u3002\u5176\u4e2d\u4e00\u4e2a\u6838\u5fc3\u529f\u80fd\u662f\u80fd\u591f\u8ba9\u7528\u6237\u67e5\u8be2\u96c6\u7fa4\u72b6\u6001\u3001\u521b\u5efa\u3001\u66f4\u65b0\u548c\u5220\u9664\u5404\u79cd Kubernetes \u8d44\u6e90\u5bf9\u8c61\uff0c\u4f8b\u5982 Pods\u3001Deployments\u3001Services \u7b49\u3002<\/p>\n

I. \u5b89\u88c5\u4e0e\u914d\u7f6e KUBECTL<\/strong><\/p>\n

\u5728 Linux \u7cfb\u7edf\u4e2d\u7ba1\u7406 Kubernetes \u96c6\u7fa4\u7684\u7b2c\u4e00\u6b65\u662f\u5b89\u88c5 kubectl \u5de5\u5177\u3002kubectl \u53ef\u4ee5\u4ece Kubernetes \u5b98\u65b9\u7f51\u7ad9\u76f4\u63a5\u4e0b\u8f7d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5305\u7ba1\u7406\u5668\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n

1. \u5b89\u88c5kubectl<\/strong><\/p>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u786e\u4fdd\u7cfb\u7edf\u4e2d\u5df2\u5b89\u88c5\u4e86curl\u5de5\u5177\u3002\u4f7f\u7528\u4e0b\u5217\u547d\u4ee4\u53ef\u4ee5\u4e0b\u8f7d\u5e76\u5b89\u88c5\u6700\u65b0\u7248\u672c\u7684 kubectl\uff1a<\/p>\n

“`Bash<\/p>\n

curl -LO “https:\/\/dl.k8s.io\/release\/$(curl -L -s https:\/\/dl.k8s.io\/release\/stable.txt)\/bin\/linux\/amd64\/kubectl”<\/p>\n

chmod +x .\/kubectl<\/p>\n

sudo mv .\/kubectl \/usr\/local\/bin\/kubectl<\/p>\n

“`<\/p>\n

\u4ee5\u4e0a\u547d\u4ee4\u4e0b\u8f7d\u4e86 kubectl \u53ef\u6267\u884c\u6587\u4ef6\uff0c\u8d4b\u4e88\u4e86\u6267\u884c\u6743\u9650\uff0c\u5e76\u5c06\u5176\u79fb\u52a8\u5230\u7cfb\u7edf\u7684 PATH \u4e2d\u7684\u4e00\u4e2a\u76ee\u5f55\u3002<\/p>\n

2. \u914d\u7f6ekubectl<\/strong><\/p>\n

\u5b89\u88c5\u540e\uff0c\u60a8\u9700\u8981\u914d\u7f6e kubectl \u4ee5\u8fde\u63a5\u5230 Kubernetes \u96c6\u7fa4\u3002\u60a8\u53ef\u4ee5\u5c06\u96c6\u7fa4\u3001\u7528\u6237\u8eab\u4efd\u548c\u8bbf\u95ee\u4fe1\u606f\u5199\u5165 `$HOME\/.kube\/config` \u6587\u4ef6\uff0c\u6216\u8005\u6307\u5b9a\u4efb\u4f55 KUBECONFIG \u73af\u5883\u53d8\u91cf\u63d0\u4f9b\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n

II. \u7406\u89e3KUBECTL\u57fa\u672c\u547d\u4ee4<\/strong><\/p>\n

\u4f7f\u7528 kubectl\uff0c\u57fa\u672c\u4e0a\u53ef\u4ee5\u6267\u884c\u6240\u6709\u7ba1\u7406\u96c6\u7fa4\u6240\u9700\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u8d44\u6e90\u7684\u521b\u5efa\u3001\u67e5\u770b\u3001\u66f4\u65b0\u548c\u5220\u9664\u7b49\u3002<\/p>\n

1. \u67e5\u8be2\u96c6\u7fa4\u72b6\u6001<\/strong><\/p>\n

\u4f8b\u5982\uff0c`kubectl get nodes` \u547d\u4ee4\u4f1a\u663e\u793a\u96c6\u7fa4\u4e2d\u7684\u6240\u6709\u8282\u70b9\uff0c\u53ef\u80fd\u7684\u8f93\u51fa\u7ed3\u679c\u5305\u62ec\u4e86\u8282\u70b9\u540d\u79f0\u3001\u72b6\u6001\u3001\u89d2\u8272\u3001\u7248\u672c\u7b49\u3002<\/p>\n

2. \u521b\u5efa\u548c\u7ba1\u7406\u8d44\u6e90<\/strong><\/p>\n

\u901a\u8fc7 `kubectl apply -f ` \u53ef\u4ee5\u521b\u5efa\u914d\u7f6e\u6587\u4ef6\u4e2d\u63cf\u8ff0\u7684\u8d44\u6e90\u3002\u8fd9\u91cc\u7684 `` \u662f\u5305\u542b Kubernetes \u8d44\u6e90\u5b9a\u4e49\u7684 YAML \u6587\u4ef6\u3002<\/p>\n

III. \u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f<\/strong><\/p>\n

\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u5230 Kubernetes \u96c6\u7fa4\u901a\u5e38\u5305\u62ec\u521b\u5efa\u4e00\u7ec4\u8d44\u6e90\u5bf9\u8c61\uff0c\u4f8b\u5982 Deployments\u3001Services \u548c\u53ef\u80fd\u7684 ConfigMaps \u6216 Secrets\u3002<\/p>\n

1. \u521b\u5efaDeployment<\/strong><\/p>\n

Deployment\u8d1f\u8d23\u7ba1\u7406Pod\u7684\u5b9e\u4f8b\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7 `kubectl create deployment –image=` \u5feb\u901f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Deployment\u3002<\/p>\n

2. \u914d\u7f6eService<\/strong><\/p>\n

\u670d\u52a1\uff08Service\uff09\u4e3a\u4e00\u7ec4Pod\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7edf\u4e00\u7684\u5165\u53e3\u5730\u5740\u3002\u53ef\u4ee5\u901a\u8fc7 `kubectl expose deployment –type=LoadBalancer –name=` \u6765\u521b\u5efa\u4e00\u4e2a\u670d\u52a1\u3002<\/p>\n

IV. \u76d1\u63a7\u4e0e\u6545\u969c\u6392\u67e5<\/strong><\/p>\n

Kubernetes \u96c6\u7fa4\u8fd0\u884c\u4e2d\uff0c\u76d1\u63a7\u548c\u6545\u969c\u6392\u67e5\u662f\u5341\u5206\u5fc5\u8981\u7684\u3002kubectl \u63d0\u4f9b\u4e86\u65e5\u5fd7\u548c\u76d1\u63a7\u76f8\u5173\u7684\u547d\u4ee4\u3002<\/p>\n

1. \u83b7\u53d6Pod\u65e5\u5fd7<\/strong><\/p>\n

`kubectl logs ` \u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6307\u5b9a Pod \u7684\u65e5\u5fd7\uff0c\u6709\u52a9\u4e8e\u6392\u67e5\u8fd0\u884c\u4e2d\u7684\u95ee\u9898\u3002<\/p>\n

2. \u76d1\u63a7\u8d44\u6e90<\/strong><\/p>\n

`kubectl top nodes` \u6216 `kubectl top pods` \u53ef\u4ee5\u663e\u793a\u96c6\u7fa4\u4e2d\u8282\u70b9\u6216 Pods \u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u8fd9\u5bf9\u8d44\u6e90\u4f18\u5316\u6709\u91cd\u8981\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n

V. \u9ad8\u7ea7\u914d\u7f6e\u4e0e\u7ba1\u7406<\/strong><\/p>\n

\u968f\u7740\u96c6\u7fa4\u7684\u589e\u957f\u548c\u5e94\u7528\u7684\u590d\u6742\u5316\uff0c\u66f4\u9ad8\u7ea7\u7684\u914d\u7f6e\u548c\u7ba1\u7406\u9700\u6c42\u4f1a\u6d6e\u73b0\u3002<\/p>\n

1. \u5b9a\u5236\u8d44\u6e90\u914d\u989d<\/strong><\/p>\n

\u9650\u5236\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u4f7f\u7528\u7684\u8d44\u6e90\u91cf\u662f\u597d\u7684\u5b9e\u8df5\uff0c\u53ef\u4ee5\u4f7f\u7528 `kubectl create quota` \u6765\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n

2. \u4f7f\u7528ConfigMaps\u548cSecrets<\/strong><\/p>\n

\u5bf9\u4e8e\u914d\u7f6e\u4fe1\u606f\u548c\u654f\u611f\u6570\u636e\uff0c\u5e94\u4f7f\u7528ConfigMaps\u548cSecrets\u5b58\u50a8\u3002\u4f7f\u7528 `kubectl create configmap` \u6216 `kubectl create secret` \u53ef\u4ee5\u521b\u5efa\u8fd9\u4e9b\u8d44\u6e90\u3002<\/p>\n

\u901a\u8fc7\u4e0a\u8ff0\u7684\u8be6\u7ec6\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\u4f7f\u7528 kubectl \u5728 Linux \u4e2d\u7ba1\u7406 Kubernetes \u96c6\u7fa4\u4e0d\u4ec5\u9ad8\u6548\uff0c\u800c\u4e14\u529f\u80fd\u5f3a\u5927\u3002\u65e0\u8bba\u662f\u521d\u5b66\u8005\u8fd8\u662f\u6709\u7ecf\u9a8c\u7684\u7ba1\u7406\u5458\uff0c\u638c\u63e1 kubectl \u662f\u8fdb\u884c Kubernetes \u96c6\u7fa4\u7ba1\u7406\u7684\u5173\u952e\u3002\u5728\u6df1\u5165\u5b9e\u8df5\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5efa\u8bae\u7ed3\u5408 Kubernetes \u5b98\u65b9\u6587\u6863\uff0c\u4ee5\u4fbf\u66f4\u5168\u9762\u5730\u7406\u89e3\u547d\u4ee4\u7684\u4f7f\u7528\u548c\u96c6\u7fa4\u7684\u7ba1\u7406\u7b56\u7565\u3002<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

\u5982\u4f55\u5728Linux\u7cfb\u7edf\u5b89\u88c5Kubectl\uff1f<\/strong>
\n\u60a8\u53ef\u4ee5\u901a\u8fc7\u5728Linux\u7cfb\u7edf\u4e2d\u4e0b\u8f7dKubectl\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u7cfb\u7edf\u8def\u5f84\u4e2d\u6765\u5b89\u88c5Kubectl\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u5c31\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u4f7f\u7528Kubectl\u6765\u7ba1\u7406Kubernetes\u96c6\u7fa4\u4e86\u3002<\/p>\n

Kubectl\u5982\u4f55\u8fde\u63a5\u5230\u8fdc\u7a0bKubernetes\u96c6\u7fa4\uff1f<\/strong>
\n\u8981\u5c06Kubectl\u8fde\u63a5\u5230\u8fdc\u7a0bKubernetes\u96c6\u7fa4\uff0c\u60a8\u9700\u8981\u5148\u914d\u7f6eKubectl\u7684\u4e0a\u4e0b\u6587\u4ee5\u6307\u5411\u76ee\u6807\u96c6\u7fa4\u3002\u53ef\u4ee5\u4f7f\u7528Kubectl\u547d\u4ee4\u884c\u5de5\u5177\u6765\u6dfb\u52a0\u65b0\u7684\u96c6\u7fa4\u5e76\u8bbe\u7f6e\u76f8\u5e94\u7684\u8ba4\u8bc1\u4fe1\u606f\uff0c\u4ee5\u5b9e\u73b0\u4e0e\u8fdc\u7a0b\u96c6\u7fa4\u7684\u8fde\u63a5\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528Kubectl\u5728Kubernetes\u96c6\u7fa4\u4e2d\u521b\u5efa\u548c\u7ba1\u7406\u8d44\u6e90\uff1f<\/strong>
\n\u901a\u8fc7Kubectl\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7b80\u5355\u7684\u547d\u4ee4\u884c\u6307\u4ee4\u6765\u521b\u5efa\u3001\u5220\u9664\u3001\u4fee\u6539\u548c\u83b7\u53d6Kubernetes\u96c6\u7fa4\u4e2d\u7684\u5404\u79cd\u8d44\u6e90\uff0c\u5982Pod\u3001Deployment\u3001Service\u7b49\u3002\u901a\u8fc7\u4e86\u89e3Kubectl\u652f\u6301\u7684\u5404\u79cd\u547d\u4ee4\u548c\u9009\u9879\uff0c\u60a8\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u60a8\u7684Kubernetes\u96c6\u7fa4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Kubernetes\u96c6\u7fa4\u7684\u7ba1\u7406\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5b8c\u6210\uff0c\u4f46\u4f7f\u7528Kubectl\u5728Linux\u73af\u5883\u4e0b\u7ba1\u7406\u662f\u6700\u4e3a\u5e38\u89c1\u4e14\u5b98\u65b9 […]","protected":false},"author":1,"featured_media":84397,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[384],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/84396"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=84396"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/84396\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/84397"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=84396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=84396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=84396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}