# \u7b49\u5f85\u955c\u50cf\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0cpod\u5c31\u4f1a\u6b63\u5e38running\u4e86\uff08\u8fd9\u91cc\u4ecb\u7ecd\u4e24\u4e2a\u5b9e\u7528\u53c2\u6570 -w\u4ee3\u8868\u6301\u4e45\u76d1\u542c\u5f53\u524dnamespace\u4e0b\u7684\u6307\u5b9a\u8d44\u6e90\u7684\u53d8\u5316\uff1b-o wide\u4ee3\u8868\u5217\u51fa\u66f4\u4e3a\u8be6\u7ec6\u7684\u4fe1\u606f\uff0c\u6bd4\u5982\u8fd9\u91ccpod\u8fd0\u884c\u7684node\u8282\u70b9\u663e\u793a\uff09<\/p>\n\n\n\n
# \u6ce8\uff1a READY\u4e0b\u9762\u7684\u542b\u4e49\u662f\u540e\u9762\u6570\u5b571\u4ee3\u8868\u8fd9\u4e2apod\u91cc\u9762\u671f\u671b\u7684\u5bb9\u5668\u6570\u91cf\uff0c\u524d\u9762\u7684\u6570\u5b571\u4ee3\u8868\u670d\u52a1\u6b63\u5e38\u8fd0\u884c\u5c31\u7eea\u7684\u5bb9\u5668\u6570\u91cf<\/p>\n\n\n\n
kubectl get pod -o wide -w \u662f\u4e00\u4e2a Kubernetes \u547d\u4ee4\uff0c\u7528\u4e8e\u5b9e\u65f6\u5730\uff08\u4ee5\u6d41\u5f0f\u65b9\u5f0f\uff09\u67e5\u770b\u96c6\u7fa4\u4e2d\u6240\u6709 Pod \u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u8fd9\u4e2a\u547d\u4ee4\u7684\u5404\u4e2a\u90e8\u5206\u53ef\u4ee5\u5206\u89e3\u5982\u4e0b\uff1a<\/p>\n\n\n\n
kubectl: Kubernetes \u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7528\u4e8e\u4e0e Kubernetes \u96c6\u7fa4\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n\n\n\n
get: \u83b7\u53d6\u8d44\u6e90\u7684\u547d\u4ee4\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b83\u662f\u7528\u6765\u83b7\u53d6 Pod \u8d44\u6e90\u7684\u3002<\/p>\n\n\n\n
pod: \u6307\u5b9a\u8981\u83b7\u53d6\u7684\u8d44\u6e90\u7c7b\u578b\u662f Pod\u3002<\/p>\n\n\n\n
-o wide: \u8fd9\u662f\u4e00\u4e2a\u8f93\u51fa\u683c\u5f0f\u9009\u9879\uff0cwide \u4f1a\u663e\u793a\u6bd4\u9ed8\u8ba4\u8f93\u51fa\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u6bcf\u4e2a Pod \u7684 IP \u5730\u5740\u3001\u8282\u70b9\u540d\u7b49\u3002<\/p>\n\n\n\n
-w: \u8fd9\u662f\u4e00\u4e2a\u6d41\u5f0f\u9009\u9879\uff0c\u5b83\u544a\u8bc9 kubectl \u4ee5\u6d41\u5f0f\u65b9\u5f0f\u663e\u793a\u7ed3\u679c\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4f1a\u6301\u7eed\u76d1\u89c6 Pod \u7684\u72b6\u6001\uff0c\u5e76\u5728 Pod \u7684\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u66f4\u65b0\u663e\u793a\u3002<\/p>\n\n\n\n
\u603b\u7684\u6765\u8bf4\uff0ckubectl get pod -o wide -w \u547d\u4ee4\u5c06\u663e\u793a\u96c6\u7fa4\u4e2d\u6240\u6709 Pod \u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5e76\u5b9e\u65f6\u66f4\u65b0\u8fd9\u4e9b\u4fe1\u606f\uff0c\u4ee5\u53cd\u6620 Pod \u72b6\u6001\u7684\u53d8\u5316\u3002\u8fd9\u5bf9\u4e8e\u76d1\u89c6\u6b63\u5728\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u8c03\u8bd5\u95ee\u9898\u975e\u5e38\u6709\u7528\u3002<\/p>\n\n\n\n
\u4f46\u6211\u4eec\u5728\u751f\u4ea7\u4e2d\u662f\u4e0d\u5efa\u8bae\u76f4\u63a5\u7528\u6765\u521b\u5efapod<\/p>\n\n\n\n
[root@master1 ~]#<\/p>\n\n\n\n
master1\\node1\\node2\u6062\u590d\u5230\u5355\u8282\u70b9\u96c6\u7fa4<\/p>\n\n\n\n
\u5b9a\u4e49pod: pod\u662f\u6307k8s\u6700\u5c0f\u7684\u8c03\u5ea6\u5355\u5143\uff0ck8s\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2apod\u8d44\u6e90\uff0c\u5728pod\u91cc\u8fd0\u884c\u5bb9\u5668\uff0c\u5bb9\u5668\u9700\u8981\u6307\u5b9a\u4e00\u4e2a\u955c\u50cf\u8fd9\u5c31\u53ef\u4ee5\u8fd0\u884c\u4e00\u4e2a\u5177\u4f53\u7684\u670d\u52a1\uff0c\u4e00\u4e2apod\u53ef\u4ee5\u5c01\u88c5\u4e00\u4e2a\u6216\u591a\u4e2a\u5bb9\u5668\uff0c\u53ef\u4ee5\u628apod\u770b\u4f5c\u4e00\u4e2a\u865a\u62df\u673a\uff0c\u7136\u540e\u6bcf\u9694\u5bb9\u5668\u76f8\u5f53\u4e8e\u8fd0\u884c\u4e00\u4e2a\u865a\u62df\u673a\u7684\u8fdb\u7a0b\uff0cpod\u662f\u9700\u8981\u8c03\u5ea6\u5230k8s\u96c6\u7fa4\u7684\u5de5\u4f5c\u8282\u70b9\u6765\u8fd0\u884c\u7684\uff0c\u5177\u4f53\u8c03\u5ea6\u5230\u54ea\u4e2a\u8282\u70b9\uff0c\u9700\u8981\u8c03\u5ea6\u5668\u6765\u5b9e\u73b0\u7684\uff08\u5177\u4f53node1\u6216node2,\u662f\u770bmaster\u4e0a\u7684pod\u7684\u5fc3\u60c5\uff0c\u8c03\u5ea6\u5230\u54ea\u4e2a\u8282\u70b9\u7684\uff09\u3002<\/p>\n\n\n\n
[root@node1 ~]# ls\nanaconda-ks.cfg calico.tar.gz nginx-1.27.4.tar.gz\nbusybox-1-28.tar.gz nginx-1.21.6.tar\n[root@node1 ~]# ctr -n k8s.io images import nginx-1.21.6.tar\t\uff08\u6ce8\u610f\u6240\u6709\u5de5\u4f5c\u8282\u70b9\u90fd\u9700\u8981\uff09\u5bb9\u5668\u8fd0\u884c\u65f6\u5bfc\u5165nginx:1.21.6\u7684\u955c\u50cf\nunpacking docker.io\/library\/nginx:1.21.6 (sha256:94b808e393739b5363decf631a746d0 241083d40eb05f07200a6d1c0c16f54b8)...done\n[root@node1 ~]#<\/code><\/pre>\n\n\n\n[root@node2 ~]# ls\nanaconda-ks.cfg busybox-1-28.tar.gz calico.tar.gz nginx-1.21.6.tar\n[root@node2 ~]# ctr -n k8s.io images import nginx-1.21.6.tar\t\uff08\u6ce8\u610f\u6240\u6709\u5de5\u4f5c\u8282\u70b9\u90fd\u9700\u8981\uff09\u5bb9\u5668\u8fd0\u884c\u65f6\u5bfc\u5165nginx:1.21.6\u7684\u955c\u50cf\nunpacking docker.io\/library\/nginx:1.21.6 (sha256:94b808e393739b5363decf631a746d0 241083d40eb05f07200a6d1c0c16f54b8)...done\n[root@node2 ~]#<\/code><\/pre>\n\n\n\n\u4e09\u3001master\u8282\u70b9\u4e0a\u4f7f\u7528nginx1.21.6\u7684\u955c\u50cf\u8fd0\u884cnginx\u7684\u5bb9\u5668<\/h2>\n\n\n\n[root@master1 ~]# kubectl run nginx --image=docker.io\/library\/nginx:1.21.6\tk8s\u8fd0\u884cnginx1.21.6\u7684\u955c\u50cf\u751f\u6210nginx\u7684\u5bb9\u5668\npod\/nginx created<\/code><\/pre>\n\n\n\n[root@master1 ~]# kubectl get pod\t\t\t\t\u67e5\u770bpod\u4fe1\u606f\nNAME READY STATUS RESTARTS AGE\nnginx 1\/1 Running 0 35s\t\t\u4e00\u4e2a \u72b6\u6001\u6b63\u5728\u8fd0\u884c<\/code><\/pre>\n\n\n\n\u56db\u3001\u67e5\u770bkubectl\u8fd0\u884c\u7684\u5e2e\u52a9<\/h2>\n\n\n\n[root@master1 ~]# kubectl run -h\t\t\u67e5\u770bkubectl\u8fd0\u884c\u7684\u5e2e\u52a9<\/code><\/pre>\n\n\n\n\u4e94\u3001master1\u8282\u70b9\u4e0a\u67e5\u770bpod\u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n\n\n\n[root@master1 ~]# kubectl get pod -o wide -w\t \u52a8\u6001\u67e5\u770bpod\u7684\u8be6\u7ec6\u4fe1\u606f\uff08ctrl +c \u4e2d\u65ad\uff09\nNAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES\nnginx 1\/1 Running 0 65s 10.244.104.2 node2 <none> <none>\n^C[root@master1 ~]# kubectl get pod -o wide\t\u67e5\u770bpod\u7684\u8be6\u7ec6\u4fe1\u606f\t\nNAME READY STATUS RESTARTS AGE IP NODE NOMINATED NOD E READINESS GATES\nnginx 1\/1 Running 0 117s 10.244.104.2 node2 <none> <none><\/code><\/pre>\n\n\n\n\u516d\u3001master1\u8bbf\u95eenginx\u5bb9\u5668<\/h2>\n\n\n\n[root@master1 ~]# curl 10.244.104.2\t\u8bbf\u95eenginx\u5bb9\u5668\nnginx\u7684\u6d4b\u8bd5\u9875\u9762\n^C\n<\/code><\/pre>\n\n\n\n\u4e03\u3001\u572810.244.104.2\u4e0a\u521b\u5efa\u201chello world \u7684\u6d4b\u8bd5\u9875\u9762\u201d<\/h2>\n\n\n\n[root@master1 ~]# kubectl exec -it nginx -- bash\t\u8fdb\u5165nginx\u7684\u5bb9\u5668\u91cc\nroot@nginx:\/# echo \"hello world!\" > \/usr\/share\/nginx\/html\/index.html\t\u521b\u5efahello world\u7684\u6d4b\u8bd5\u9875\u9762\nroot@nginx:\/# exit\t\t\t\t\u9000\u51fa\nexit\n[root@master1 ~]# curl 10.244.104.2\t\u8bbf\u95ee\u5bb9\u5668\nhello world!\n[root@master1 ~]#<\/code><\/pre>\n\n\n\n\u516b\u3001\u67e5\u770bnginx\u7684\u63cf\u8ff0\u4fe1\u606f\uff1a<\/h2>\n\n\n\n[root@master1 ~]# kubectl describe pod nginx\t\t\u67e5\u770bnginx pod\u7684\u63cf\u8ff0\u4fe1\u606f\nEvents: \u67e5\u770b\u6545\u969c\u4fe1\u606f\uff0c\u4e3b\u8981\u7528\u4e8e\u6392\u9519\n Type Reason Age From Message\n ---- ------ ---- ---- -------\n Normal Scheduled 34m default-scheduler Successfully assigned default\/nginx to node2\n Normal Pulled 34m kubelet Container image \u4f7f\u7528nginx\u5bb9\u5668\"docker.io\/library\/nginx:1.21.6\" already present on machine\n Normal Created 34m kubelet Created container nginx\t\u521b\u5efanginx\u5bb9\u5668\n Normal Started 34m kubelet Started container nginx\t\t\u542f\u52a8nginx\u5bb9\u5668\n[root@master1 ~]#<\/code><\/pre>\n\n\n\n\u4e5d\u3001\u5220\u9664nginx pod(\u5728\u751f\u4ea7\u7ebf\u4e0a\u6700\u5371\u9669\u7684\u547d\u4ee4)<\/h2>\n\n\n\n[root@master1 ~]# kubectl delete pod nginx \t\u5371\u9669\u547d\u4ee4\uff0cpod\u4e00\u65e6\u5220\u9664\u6062\u590d\u4e0d\u4e86\uff01\uff01\uff01\n\u5220\u9664nginx pod(\u5728\u751f\u4ea7\u7ebf\u4e0a\u6700\u5371\u9669\u7684\u547d\u4ee4)\npod \"nginx\" deleted\n[root@master1 ~]#\n[root@master1 ~]# kubectl get pod\nNo resources found in default namespace.<\/code><\/pre>\n\n\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"
\u77e5\u8bc6\u70b9\uff1a # \u7b49\u5f85\u955c\u50cf\u4e0b\u8f7d\u5b8c\u6210\u540e\uff0cpod\u5c31\u4f1a\u6b63\u5e38running\u4e86\uff08\u8fd9\u91cc\u4ecb\u7ecd\u4e24\u4e2a\u5b9e\u7528\u53c2\u6570 -w\u4ee3\u8868\u6301\u4e45\u76d1\u542c\u5f53\u524dn […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152,2],"tags":[153],"class_list":["post-2063","post","type-post","status-publish","format-standard","hentry","category-k8s","category-linux","tag-pod"],"_links":{"self":[{"href":"http:\/\/113.45.254.23\/index.php?rest_route=\/wp\/v2\/posts\/2063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/113.45.254.23\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/113.45.254.23\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/113.45.254.23\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/113.45.254.23\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2063"}],"version-history":[{"count":3,"href":"http:\/\/113.45.254.23\/index.php?rest_route=\/wp\/v2\/posts\/2063\/revisions"}],"predecessor-version":[{"id":2066,"href":"http:\/\/113.45.254.23\/index.php?rest_route=\/wp\/v2\/posts\/2063\/revisions\/2066"}],"wp:attachment":[{"href":"http:\/\/113.45.254.23\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/113.45.254.23\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2063"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/113.45.254.23\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}