{"id":66,"date":"2026-08-18T15:35:55","date_gmt":"2026-08-18T07:35:55","guid":{"rendered":"https:\/\/www.xiaoxindong.cloud\/?p=66"},"modified":"2026-08-18T22:56:09","modified_gmt":"2026-08-18T14:56:09","slug":"day2-pod%e3%80%81%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4%e4%b8%8e%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/www.xiaoxindong.cloud\/?p=66","title":{"rendered":"Day2 Pod\u3001\u547d\u540d\u7a7a\u95f4\u4e0e\u914d\u7f6e"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e00\u3001Namespace\uff08\u547d\u540d\u7a7a\u95f4\uff09<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6982\u5ff5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Namespace \u662f K8s<strong>\u903b\u8f91\u9694\u79bb\u3001\u8d44\u6e90\u5206\u7ec4<\/strong>\u673a\u5236\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u2705\u53ea\u9694\u79bb\u8d44\u6e90\u5bf9\u8c61\uff08Pod\u3001Deployment\u3001Service\uff09\uff0c<strong>\u9ed8\u8ba4\u4e0d\u9694\u79bb\u7f51\u7edc<\/strong>\uff1b\u4e0d\u540c namespace \u7684 Pod \u9ed8\u8ba4\u53ef\u4ee5\u4e92\u76f8\u8bbf\u95ee\uff0c\u60f3\u8981\u7f51\u7edc\u9694\u79bb\u9700\u8981\u914d\u7f6e<code>NetworkPolicy<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2757Namespace \u662f\u903b\u8f91\u6982\u5ff5\uff0c\u4e0d\u7ed1\u5b9a Node\uff0c\u540c\u4e00\u4e2a namespace \u7684 Pod \u53ef\u4ee5\u5206\u5e03\u5728\u4e0d\u540c\u8282\u70b9\u3002<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u7c7b\u6bd4\uff1a\u96c6\u7fa4\u662f\u4e00\u680b\u529e\u516c\u697c\uff0cNamespace \u662f\u72ec\u7acb\u529e\u516c\u5ba4\uff1b\u529e\u516c\u5ba4\u4e92\u76f8\u9694\u5f00\uff0c\u4f46\u662f\u5171\u7528\u5927\u697c\u6c34\u7535\uff08\u96c6\u7fa4\u5e95\u5c42\u786c\u4ef6\uff09\u3002<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u533a\u5206\uff1aK8s Namespace\uff08\u96c6\u7fa4\u903b\u8f91\u9694\u79bb\uff09\u2260 Linux \u5185\u6838 Namespace\uff08\u5bb9\u5668\u5e95\u5c42\u8fdb\u7a0b \/ \u7f51\u7edc\u9694\u79bb\uff09<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">2.K8s \u5185\u7f6e 4 \u4e2a\u547d\u540d\u7a7a\u95f4<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u547d\u540d\u7a7a\u95f4<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u4f5c\u7528<\/th><\/tr><\/thead><tbody><tr><td><code>default<\/code><\/td><td><strong>\u9ed8\u8ba4\u547d\u540d\u7a7a\u95f4<\/strong>\uff0c\u4e0d\u6307\u5b9a<code>-n<\/code>\uff0c\u8d44\u6e90\u5168\u90e8\u521b\u5efa\u5728\u6b64<\/td><\/tr><tr><td><code>kube-system<\/code><\/td><td>\u96c6\u7fa4\u7cfb\u7edf\u7ec4\u4ef6 Pod\uff0c<strong>\u7981\u6b62\u653e\u4e1a\u52a1\u5e94\u7528<\/strong><\/td><\/tr><tr><td><code>kube-public<\/code><\/td><td>\u96c6\u7fa4\u516c\u5f00\u53ef\u8bfb\u8d44\u6e90\uff0c\u672a\u8ba4\u8bc1\u7528\u6237\u4e5f\u53ef\u8bfb<\/td><\/tr><tr><td><code>kube-node-lease<\/code><\/td><td>\u8282\u70b9\u5fc3\u8df3 Lease \u5bf9\u8c61\uff0c\u5b9e\u73b0\u8f7b\u91cf\u7ea7\u8282\u70b9\u5065\u5eb7\u68c0\u6d4b\uff0c\u51cf\u8f7b apiserver \u538b\u529b\uff0c\u7528\u6237\u4e00\u822c\u4e0d\u64cd\u4f5c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u547d\u540d\u7a7a\u95f4\u64cd\u4f5c\u547d\u4ee4<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u67e5\u770b\u6240\u6709\u547d\u540d\u7a7a\u95f4\nkubectl get ns\n\n# \u547d\u4ee4\u5f0f\u521b\u5efanamespace\nkubectl create namespace development\n\n# yaml\u58f0\u660e\u5f0f\u521b\u5efans.yaml\napiVersion: v1\nkind: Namespace\nmetadata:\n  name: development\n\n# \u5e94\u7528yaml\nkubectl apply -f ns.yaml\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001Pod \u6838\u5fc3\u6982\u5ff5<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Pod \u662f K8s \u6700\u5c0f\u90e8\u7f72\u3001\u8c03\u5ea6\u5355\u5143\uff01\u4e0d\u662f\u5bb9\u5668\uff01<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pod = \u5bb9\u5668\u7ec4\uff0c\u4e00\u4e2a Pod \u53ef\u4ee5\u5305\u542b<strong>1 \u4e2a\u6216\u8005\u591a\u4e2a\u4e1a\u52a1\u5bb9\u5668<\/strong>\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">1.Pod \u6838\u5fc3\u7279\u6027<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u540c\u751f\u5171\u6b7b<\/strong>\uff1aPod \u5185\u5168\u90e8\u5bb9\u5668\u8c03\u5ea6\u5230\u540c\u4e00\u4e2a Node\uff0c\u4e00\u8d77\u521b\u5efa\u3001\u4e00\u8d77\u9500\u6bc1\u3002<\/li>\n\n\n\n<li><strong>\u5171\u4eab\u7f51\u7edc\u6808<\/strong>\uff1a\u6574\u4e2a Pod \u5171\u7528<strong>\u540c\u4e00\u4e2a Pod\u2011IP<\/strong>\uff0cPod \u5185\u90e8\u5bb9\u5668\u4e4b\u95f4\u53ef\u4ee5\u76f4\u63a5\u7528<code>localhost<\/code>\u901a\u4fe1\u3002<\/li>\n\n\n\n<li><strong>\u5171\u4eab\u5b58\u50a8 Volume<\/strong>\uff1aPod \u7ea7\u522b\u6302\u8f7d\u5377\uff0c\u6240\u6709\u5bb9\u5668\u53ef\u4ee5\u8bfb\u5199\u540c\u4e00\u4efd\u6587\u4ef6\u3002<\/li>\n\n\n\n<li><strong>\u4e0d\u53ef\u53d8\u6027<\/strong>\uff1aPod \u521b\u5efa\u5b8c\u6210\uff0c\u4e0d\u80fd\u4fee\u6539\u5bb9\u5668\u914d\u7f6e\uff1b\u66f4\u65b0\u9700\u8981\u65b0\u5efa Pod \u66ff\u6362\u65e7 Pod\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">2.Pod \u4e24\u79cd\u4f7f\u7528\u6a21\u5f0f<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u2460\u5355\u5bb9\u5668 Pod\uff08\u6700\u5e38\u7528\uff09<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a Pod \u91cc\u9762\u53ea\u6709 1 \u4e2a\u4e1a\u52a1\u5bb9\u5668\uff1bPod \u5145\u5f53\u5bb9\u5668\u7684\u5305\u88c5\u5916\u58f3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u573a\u666f\uff1a\u666e\u901a\u5fae\u670d\u52a1 Nginx\u3001Java \u540e\u7aef\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u2461\u591a\u5bb9\u5668 Pod<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u4e00\u4e2a Pod \u591a\u4e2a\u7d27\u5bc6\u534f\u4f5c\u5bb9\u5668\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sidecar \u8fb9\u8f66\u5bb9\u5668<\/strong>\uff1a\u8f85\u52a9\u4e3b\u5bb9\u5668\uff0c\u65e5\u5fd7\u6536\u96c6\u3001\u76d1\u63a7\u4ee3\u7406\uff0c\u4e0d\u4fb5\u5165\u4e1a\u52a1\u3002<\/li>\n\n\n\n<li><strong>Init \u5bb9\u5668<\/strong>\uff1a\u4e3b\u5bb9\u5668\u542f\u52a8\u4e4b\u524d\u6267\u884c\u521d\u59cb\u5316\u4efb\u52a1\uff08\u7b49\u5f85\u6570\u636e\u5e93\u3001\u751f\u6210\u914d\u7f6e\u6587\u4ef6\uff09<\/li>\n\n\n\n<li><strong>\u4e34\u65f6\u8c03\u8bd5\u5bb9\u5668<\/strong>\uff1a\u6545\u969c\u6392\u67e5\u8c03\u8bd5\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a<strong>\u53ea\u6709\u9ad8\u5ea6\u8026\u5408\u3001\u9700\u8981\u672c\u5730\u9ad8\u9891\u901a\u4fe1\u7684\u5bb9\u5668\u624d\u653e\u540c\u4e00\u4e2a Pod<\/strong>\uff1b\u666e\u901a\u5fae\u670d\u52a1\u5206\u5f00\u4e0d\u540c Pod\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">3.Pod \u5185\u90e8\u5171\u4eab\u73af\u5883<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pod \u5185\u5bb9\u5668\u5171\u4eab\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Linux \u547d\u540d\u7a7a\u95f4\uff1aNetwork\u3001IPC\u3001UTS\uff1b<strong>PID \u547d\u540d\u7a7a\u95f4\u4e0d\u5171\u4eab<\/strong><\/li>\n\n\n\n<li>cgroups\uff1a\u7edf\u4e00\u5bf9\u6574\u4e2a Pod \u505a CPU\u3001\u5185\u5b58\u8d44\u6e90\u9650\u5236<\/li>\n\n\n\n<li>Volume \u5b58\u50a8\u5377\uff0c\u5b9e\u73b0\u6587\u4ef6\u5171\u4eab<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Pod \u5185\u90e8\u5bb9\u5668\u4e09\u79cd\u901a\u4fe1\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/localhost\" target=\"_blank\" rel=\"noreferrer noopener\">localhost<\/a>\u7f51\u7edc\u901a\u4fe1\uff08\u5171\u4eab\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\uff09<\/li>\n\n\n\n<li>IPC \u8fdb\u7a0b\u95f4\u901a\u4fe1\uff08\u6d88\u606f\u961f\u5217\u3001\u5171\u4eab\u5185\u5b58\uff09<\/li>\n\n\n\n<li>\u5171\u4eab Volume \u6587\u4ef6\u8bfb\u5199<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">4.Pause\uff08\u57fa\u7840\u8bbe\u65bd \/ \u6839\u5bb9\u5668\uff09\u2b50\u9762\u8bd5\u91cd\u70b9<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u6bcf\u4e00\u4e2a Pod \u90fd\u4f1a\u6700\u5148\u542f\u52a8 pause \u5bb9\u5668<\/strong>\uff0c\u4e1a\u52a1\u5bb9\u5668\u540e\u542f\u52a8\u3002<\/p>\n<\/blockquote>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f5c\u7528\uff1a\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa Pod \u7ea7\u522b\u7684 Network\u3001IPC\u3001UTS \u547d\u540d\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li>\u4e1a\u52a1\u5bb9\u5668\u52a0\u5165 pause \u521b\u5efa\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u4ece\u800c\u5b9e\u73b0 Pod \u5185\u5bb9\u5668\u5171\u4eab\u540c\u4e00\u4e2a IP\u3001\u7f51\u7edc\u6808\u3002<\/li>\n\n\n\n<li>Pause \u751f\u547d\u5468\u671f = Pod \u751f\u547d\u5468\u671f\uff1bpause \u6b7b\uff0c\u6574\u4e2a Pod \u9500\u6bc1\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5de5\u4f5c\u6d41\u7a0b <code>\u521b\u5efaPod \u2192 \u542f\u52a8Pause\u5bb9\u5668 \u2192 \u521b\u5efa\u5404\u7c7bLinux\u547d\u540d\u7a7a\u95f4 \u2192 \u4e1a\u52a1\u5bb9\u5668\u52a0\u5165\u547d\u540d\u7a7a\u95f4 \u2192 \u5b9e\u73b0\u7f51\u7edc\u4e0eIPC\u5171\u4eab<\/code><\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u7c7b\u6bd4\uff1aPause \u662f\u516c\u5bd3\u7269\u4e1a\uff0c\u5148\u5efa\u597d\u6c34\u7535\u7f51\u7edc\uff1b\u4e1a\u52a1\u5bb9\u5668\u662f\u4f4f\u6237\uff0c\u76f4\u63a5\u5165\u4f4f\u4f7f\u7528\u516c\u5171\u8bbe\u65bd\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001Pod \u7684\u4e24\u79cd\u521b\u5efa\u65b9\u5f0f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u547d\u4ee4\u5f0f kubectl run<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl run my\u2011pod --image=nginx:1.27.1 -n default\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.YAML \u58f0\u660e\u5f0f\uff08\u751f\u4ea7\u63a8\u8350\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">YAML \u8bed\u6cd5\u8981\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7f29\u8fdb\u53ea\u7528<strong>\u7a7a\u683c\uff0c\u7981\u6b62 Tab<\/strong>\uff0c\u4e00\u822c 2 \u7a7a\u683c\uff1b<\/li>\n\n\n\n<li><code>:<\/code>\u3001<code>-<\/code>\u7b26\u53f7\u540e\u9762\u5fc5\u987b\u52a0\u7a7a\u683c\uff1b<\/li>\n\n\n\n<li><code>---<\/code>\u5206\u5272\u591a\u4e2a\u8d44\u6e90\uff1b<code>#<\/code>\u6ce8\u91ca\u3002<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">Pod \u5b8c\u6574 yaml \u6a21\u677f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>apiVersion: v1       # \u6838\u5fc3\u8d44\u6e90\u56fa\u5b9av1\u7248\u672c\nkind: Pod            # \u8d44\u6e90\u7c7b\u578bPod\nmetadata:\n  name: my\u2011nginx\u2011pod # Pod\u540d\u79f0\uff0cns\u5185\u552f\u4e00\n  labels:            # \u6807\u7b7ekey:value\n    app: web\n    env: test\nspec:\n  containers:        # \u5bb9\u5668\u5217\u8868\uff0c\u6570\u7ec4\u7528\"-\"\n  - name: nginx\u2011c\n    image: nginx:1.27.1\n    imagePullPolicy: IfNotPresent #\u955c\u50cf\u62c9\u53d6\u7b56\u7565\n    ports:\n    - containerPort: 80  #\u5bb9\u5668\u76d1\u542c\u7aef\u53e3\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u591a\u5bb9\u5668 Pod yaml \u793a\u4f8b<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>apiVersion: v1\nkind: Pod\nmetadata:\n  name: multi\u2011pod\nspec:\n  containers:\n  - name: nginx\u2011c\n    image: nginx:1.27.1\n    ports:\n    - containerPort:80\n  - name: busybox\u2011c\n    image: busybox:1.36\n    command: &#91;\"sleep\",\"3600\"]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">kubectl create \u4e0e kubectl apply \u5bf9\u6bd4\u2b50<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u7279\u6027<\/th><th class=\"has-text-align-center\" data-align=\"center\">kubectl create<\/th><th class=\"has-text-align-center\" data-align=\"center\">kubectl apply<\/th><\/tr><\/thead><tbody><tr><td>\u7c7b\u578b<\/td><td>\u547d\u4ee4\u5f0f<\/td><td><strong>\u58f0\u660e\u5f0f\uff08\u751f\u4ea7\u9996\u9009\uff09<\/strong><\/td><\/tr><tr><td>\u5e42\u7b49\u6027<\/td><td>\u274c\u975e\u5e42\u7b49\uff0c\u8d44\u6e90\u5df2\u5b58\u5728\u76f4\u63a5\u62a5\u9519<\/td><td>\u2705\u5e42\u7b49\uff0c\u53ef\u91cd\u590d\u6267\u884c<\/td><\/tr><tr><td>\u884c\u4e3a<\/td><td>\u53ea\u505a\u521b\u5efa\uff0c\u4e0d\u80fd\u66f4\u65b0<\/td><td>\u521b\u5efa\uff1b\u4fee\u6539 yaml \u540e\u81ea\u52a8\u66f4\u65b0\u8d44\u6e90<\/td><\/tr><tr><td>\u9002\u7528\u573a\u666f<\/td><td>\u4e34\u65f6\u6d4b\u8bd5<\/td><td>\u751f\u4ea7\u73af\u5883\u3001CI\/CD\u3001GitOps<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl create -f pod.yaml  #\u8d44\u6e90\u5b58\u5728\u76f4\u63a5\u62a5\u9519\nkubectl apply -f pod.yaml   #\u63a8\u8350\uff0c\u5b58\u5728\u5c31\u66f4\u65b0\uff0c\u4e0d\u5b58\u5728\u521b\u5efa\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001kubectl \u6838\u5fc3\u547d\u4ee4\u5927\u5168<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u67e5\u8be2\u7c7b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl get pods                     #\u67e5\u770bpod\u57fa\u7840\u72b6\u6001\nkubectl get pods -o wide             #\u663e\u793aPodIP\u3001\u8282\u70b9\u540d\u7b49\u66f4\u591a\u4fe1\u606f\nkubectl get pod &lt;podname&gt; -n ns\u2011name #\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\u67e5\u770b\nkubectl get ns                       #\u67e5\u770b\u547d\u540d\u7a7a\u95f4\nkubectl api\u2011resources                #\u67e5\u770b\u6240\u6709k8s\u8d44\u6e90\n\n# \u67e5\u770b\u6807\u7b7e\nkubectl get pod --show\u2011labels\n#\u6807\u7b7e\u8fc7\u6ee4\u8d44\u6e90\nkubectl get pod -l app=web\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6392\u9519\u8bca\u65ad describe<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\uff01\u770b Pod \u4e8b\u4ef6\uff0c\u5b9a\u4f4d Pod \u542f\u52a8\u5931\u8d25\u3001\u955c\u50cf\u62c9\u53d6\u5931\u8d25\u539f\u56e0<\/p>\n<\/blockquote>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl describe pod pod\u2011name -n ns\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u65e5\u5fd7 logs<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl logs pod\u2011name                     #\u67e5\u770b\u65e5\u5fd7\nkubectl logs -f pod\u2011name                  #\u5b9e\u65f6\u8ddf\u8e2a\u65e5\u5fd7 tail\u2011f\nkubectl logs --tail=100 pod\u2011name          #\u6700\u8fd1100\u884c\nkubectl logs --since=10m pod\u2011name         #\u6700\u8fd1\u5341\u5206\u949f\u65e5\u5fd7\n\n#\u591a\u5bb9\u5668Pod\uff0c\u6307\u5b9a\u5bb9\u5668\u770b\u65e5\u5fd7\nkubectl logs pod\u2011name -c container\u2011name\n#\u5168\u90e8\u5bb9\u5668\u65e5\u5fd7\nkubectl logs pod\u2011name --all\u2011containers=true\n\n#\u6839\u636e\u6807\u7b7e\u6279\u91cf\u770b\u65e5\u5fd7\nkubectl logs -f -l app=web\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u8c03\u8bd5 exec \u8fdb\u5165\u5bb9\u5668<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u8fdb\u5165pod\uff08\u5355\u5bb9\u5668\uff09\nkubectl exec -it pod\u2011name -- \/bin\/bash\n\n#\u591a\u5bb9\u5668\uff0c\u6307\u5b9a\u5bb9\u5668\u8fdb\u5165\nkubectl exec -it pod\u2011name -c nginx\u2011c -- \/bin\/bash\n\n#\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\nkubectl exec -it pod\u2011name -n dev -- \/bin\/bash\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u5220\u9664\u8d44\u6e90<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl delete pod pod\u2011name\nkubectl delete -f pod.yaml\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u6807\u7b7e label \u64cd\u4f5c<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u7ed9pod\u65b0\u589e\/\u4fee\u6539\u6807\u7b7e\nkubectl label pod my\u2011pod env=prod\n#\u5220\u9664\u6807\u7b7e \u52a0\"-\"\nkubectl label pod my\u2011pod env\u2011\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">7. \u5e95\u5c42\u5bb9\u5668\u5de5\u5177 crictl \/ctr<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">containerd \u5de5\u5177\uff0c\u8282\u70b9\u4e0a\u76f4\u63a5\u7ba1\u7406\u955c\u50cf\u3001\u5bb9\u5668\uff08\u4e0d\u7ecf\u8fc7 k8s\uff09<\/p>\n<\/blockquote>\n\n\n\n<pre class=\"wp-block-code\"><code>crictl images                 #\u67e5\u770b\u8282\u70b9\u672c\u5730\u955c\u50cf\ncrictl rmi &lt;image\u2011id&gt;         #\u5220\u9664\u955c\u50cf\n\n#ctr\u662fcontainerd\u81ea\u5e26\uff0c\u6307\u5b9ak8s.io\u547d\u540d\u7a7a\u95f4\nctr -n=k8s.io images import xxx.tar #\u5bfc\u5165\u955c\u50cf\n<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u65e5\u5e38 K8s \u8282\u70b9\u8fd0\u7ef4\u4f18\u5148\uff1a<strong>crictl<\/strong><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001Namespace\uff08\u547d\u540d\u7a7a\u95f4\uff09 1. \u6982\u5ff5 Namespace \u662f K8s\u903b\u8f91\u9694\u79bb\u3001\u8d44\u6e90\u5206\u7ec4\u673a\u5236\u3002 \u2705\u53ea\u9694 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-66","post","type-post","status-publish","format-standard","hentry","category-article"],"_links":{"self":[{"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=\/wp\/v2\/posts\/66","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=66"}],"version-history":[{"count":3,"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=\/wp\/v2\/posts\/66\/revisions"}],"predecessor-version":[{"id":70,"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=\/wp\/v2\/posts\/66\/revisions\/70"}],"wp:attachment":[{"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaoxindong.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=66"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}