{"id":7181,"date":"2022-12-07T12:27:52","date_gmt":"2022-12-07T03:27:52","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=7181"},"modified":"2025-08-01T19:18:58","modified_gmt":"2025-08-01T10:18:58","slug":"kubernetes-kubectl-%eb%aa%85%eb%a0%b9%ec%96%b4-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=7181","title":{"rendered":"Kubernetes &#8211; kubectl \uba85\ub839\uc5b4 \uc815\ub9ac"},"content":{"rendered":"<h1>Kubernetes &#8211; kubectl \uba85\ub839\uc5b4 \uc815\ub9ac<\/h1>\n<p>. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<\/p>\n<h2>\ubc84\uc804\uc815\ubcf4<\/h2>\n<pre><code class=\"language-bash\"># kubectl version --short\nkubectl version<\/code><\/pre>\n<h2>\uc624\ube0c\uc81d\ud2b8 \ubaa9\ub85d<\/h2>\n<p>pods, svc \ub4f1 \uc0ac\uc6a9\uac00\ub2a5\ud55c \uc624\ube0c\uc81d\ud2b8\uba85\uacfc \ub2e8\ucd95\uc5b4\ub97c \ud45c\uc2dc\ud55c\ub2e4.<\/p>\n<pre><code class=\"language-bash\">kubectl api-resources<\/code><\/pre>\n<h2>\ud30c\uc77c\ub85c \uc624\ube0c\uc81d\ud2b8 \uc0dd\uc131\/\uc218\uc815<\/h2>\n<pre><code class=\"language-bash\">kubectl apply -f ${yaml_file_name}<\/code><\/pre>\n<h2>\uc624\ube0c\uc81d\ud2b8 \uc815\ubcf4 \ud45c\uc2dc<\/h2>\n<pre><code class=\"language-bash\">kubectl get ${object_type}\nkubectl get ${object_type} -o wide\nkubectl get ${object_type} -n ${namespace}\n\nkubectl get pods\nkubectl get service\nkubectl get namespace<\/code><\/pre>\n<h2>\ubcf4\ub2e4 \uc0c1\uc138\ud55c \uc624\ube0c\uc81d\ud2b8 \uc815\ubcf4 \ud45c\uc2dc (\uc624\ub958 \ub514\ubc84\uae45)<\/h2>\n<pre><code class=\"language-bash\">kubectl describe ${object_type} ${resource_name}\nkubectl describe ${object_type} ${resource_name} -n ${namespace}\n\n# \uc624\ub958 \ub514\ubc84\uae45\uc5d0 \uc88b\ub2e4.\nkubectl get pods\nNAME                           READY   STATUS    RESTARTS   AGE\nnginx-server-5d4b88c67-92jkr   0\/1     Pending   0          2m44s\nnginx-server-5d4b88c67-scks8   0\/1     Pending   0          2m44s\n\nkubectl describe pod nginx-server-5d4b88c67-92jkr\n......\nEvents:\n  Type     Reason            Age   From               Message\n  ----     ------            ----  ----               -------\n  Warning  FailedScheduling  4m6s  default-scheduler  0\/1 nodes are available: 1 node(s) had untolerated taint {node-role.kubernetes<\/code><\/pre>\n<h2>Pod \uc5d0 \uc811\uc18d<\/h2>\n<pre><code class=\"language-bash\">kubectl exec -it ${pod_name} -- sh\nkubectl exec -it ${pod_name} -- bash\n\n# \uc21c\uc11c\uc5d0 \ubbfc\uac10\ud558\ub2e4.(\uc2e4\ud589\uba85\ub839\uc774 \uac00\uc7a5 \ub9c8\uc9c0\ub9c9\uc5d0 \uc788\uc744 \uac83!!)\nkubectl exec -it ${pod_name} -n ${namespace} -- bash\n\nkubectl exec -n example -it mariadb-6b57bfdd78-h6crc -- sh<\/code><\/pre>\n<h2>Pod \ub85c\uadf8 \ud45c\uc2dc<\/h2>\n<pre><code class=\"language-bash\">kubectl logs ${pod_name}\nkubectl logs ${pod_name} -n ${namespace}<\/code><\/pre>\n<h2>\ud30c\uc77c\ub85c \uc624\ube0c\uc81d\ud2b8 \uc0ad\uc81c<\/h2>\n<pre><code class=\"language-bash\">kubectl delete -f ${yaml_file_name}<\/code><\/pre>\n<h2>\uc624\ube0c\uc81d\ud2b8 \uc0ad\uc81c<\/h2>\n<pre><code class=\"language-bash\">kubectl delete ${object_type} ${resource_name}\nkubectl delete ${object_type} ${resource_name} -n ${namespace}<\/code><\/pre>\n<h2>\uc624\ube0c\uc81d\ud2b8 \uc218\uc815<\/h2>\n<pre><code class=\"language-bash\">kubectl edit ${object_type} ${resource_name}\nkubectl edit ${object_type} ${resource_name} -n ${namespace}<\/code><\/pre>\n<h2>\ucee8\ud53c\uadf8\ub9f5 \uc0dd\uc131(\ubb38\uc790\uc5f4 \uc774\uc6a9)<\/h2>\n<pre><code class=\"language-bash\">kubectl create configmap ${configmap_name} --from-literal ${key}=${value}\nkubectl create configmap ${configmap_name} --from-literal ${key}=${value} -n ${namespace}<\/code><\/pre>\n<h2>\ucee8\ud53c\uadf8\ub9f5 \uc870\ud68c<\/h2>\n<pre><code class=\"language-bash\">kubectl get configmap ${configmap_name} -o yaml\nkubectl get configmap ${configmap_name} -o yaml -n ${namespace}<\/code><\/pre>\n<h2>\ucee8\ud53c\uadf8\ub9f5 \uc0dd\uc131(\ud30c\uc77c \uc774\uc6a9)<\/h2>\n<p>\ud30c\uc77c\uc740 \ud3f4\ub354\ub3c4 \uac00\ub2a5\ud558\ub2e4.<\/p>\n<pre><code class=\"language-bash\">kubectl create configmap ${configmap_name} --from-file ${file_name}\nkubectl create configmap ${configmap_name} --from-file ${file_name} -n ${namespace}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes &#8211; kubectl \uba85\ub839\uc5b4 \uc815\ub9ac . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=7181\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-7181","post","type-post","status-publish","format-standard","hentry","category-devops"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7181"}],"version-history":[{"count":10,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7181\/revisions"}],"predecessor-version":[{"id":10607,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7181\/revisions\/10607"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}