<p>출처 :&nbsp;<a href="https://subicura.com/k8s/" target="_blank">https://subicura.com/k8s/</a></p><p><br></p><p><br></p><h3>아래 링크는 치트시트</h3><p><a href="https://kubernetes.io/ko/docs/reference/kubectl/cheatsheet/" target="_blank">https://kubernetes.io/ko/docs/reference/kubectl/cheatsheet/</a><br></p><p><br></p><p><br></p><p><br></p><p>기본적인 명령어를 정리해 본다.</p><p><br></p><p><br></p><div style="color: rgb(212, 212, 212); background-color: rgb(30, 30, 30); font-family: Consolas, &quot;Courier New&quot;, monospace; font-size: 14px; line-height: 19px; white-space: pre;"><div><span style="color: #6a9955;">#=======================================================================================================</span></div><div><span style="color: #6a9955;">#&nbsp;kubectl&nbsp;간단&nbsp;명령어&nbsp;정리</span></div><div><span style="color: #6a9955;">#=======================================================================================================</span></div><br><div><span style="color: #6a9955;">#&nbsp;모든&nbsp;정보&nbsp;가져오기(-o&nbsp;wide&nbsp;상세보기)</span></div><div><span style="color: #6a9955;">#&nbsp;get&nbsp;으로&nbsp;가져올&nbsp;때&nbsp;kube-system,&nbsp;default만&nbsp;기본으로&nbsp;가져온다</span></div><div><span style="color: #6a9955;">#&nbsp;다른&nbsp;namespace를&nbsp;사용하려면&nbsp;-n&nbsp;&lt;namespace&gt;&nbsp;를&nbsp;꼭&nbsp;붙여주자</span></div><div>kubectl&nbsp;get&nbsp;all&nbsp;-o&nbsp;wide&nbsp;<span style="color: #6a9955;">#&nbsp;-n&nbsp;motolies</span></div><br><div><span style="color: #6a9955;">#&nbsp;노드&nbsp;정보&nbsp;가져오기(-o&nbsp;wide&nbsp;상세보기)</span></div><div>kubectl&nbsp;get&nbsp;nodes&nbsp;-o&nbsp;wide</div><br><div><span style="color: #6a9955;">#&nbsp;실행(보통&nbsp;-f&nbsp;옵션까지&nbsp;포함)</span></div><div>kubectl&nbsp;apply&nbsp;-f&nbsp;motolies-cluster.yml</div><br><div><span style="color: #6a9955;">#&nbsp;로그&nbsp;확인</span></div><div>kubectl&nbsp;logs&nbsp;&lt;pod-name&gt;</div><br><div><span style="color: #6a9955;">#&nbsp;로그&nbsp;실시간&nbsp;확인</span></div><div>kubectl&nbsp;logs&nbsp;-f&nbsp;&lt;pod-name&gt;</div><br><div><span style="color: #6a9955;">#&nbsp;조회한&nbsp;Pod의&nbsp;컨테이너에&nbsp;접속</span></div><div>kubectl&nbsp;<span style="color: #dcdcaa;">exec</span>&nbsp;-it&nbsp;&lt;pod-name&gt;&nbsp;--&nbsp;bash</div><br><br><div><span style="color: #6a9955;">#&nbsp;endpoint(service&nbsp;같은?)&nbsp;확인하기</span></div><div>kubectl&nbsp;get&nbsp;endpoints</div><div>kubectl&nbsp;get&nbsp;ep&nbsp;<span style="color: #6a9955;">#줄여서</span></div><br><div><span style="color: #6a9955;">#&nbsp;redis&nbsp;Endpoint&nbsp;확인</span></div><div>kubectl&nbsp;describe&nbsp;ep/redis</div><br><div><span style="color: #6a9955;">#&nbsp;팟&nbsp;재시작</span></div><div>kubectl&nbsp;rollout&nbsp;restart&nbsp;deployment&nbsp;motolies</div><br><div><span style="color: #6a9955;">#&nbsp;삭제</span></div><div>kubectl&nbsp;delete&nbsp;-f&nbsp;motolies-cluster.yml</div><br><br><br><div><span style="color: #6a9955;">#=======================================================================================================</span></div><div><span style="color: #6a9955;">#&nbsp;pod&nbsp;환경에서의&nbsp;debug</span></div><div><span style="color: #6a9955;">#=======================================================================================================</span></div><br><div><span style="color: #6a9955;">##&nbsp;컨테이너&nbsp;환경에서의&nbsp;디버깅을&nbsp;위한&nbsp;파드&nbsp;생성</span></div><div><span style="color: #6a9955;">#&nbsp;대화형&nbsp;쉘로&nbsp;파드를&nbsp;실행(나가면&nbsp;삭제됨)</span></div><div>kubectl&nbsp;run&nbsp;-i&nbsp;--tty&nbsp;--rm&nbsp;debug&nbsp;--image=alpine&nbsp;--restart=Never&nbsp;--&nbsp;sh</div><div><span style="color: #6a9955;">#&nbsp;alpine에&nbsp;dig&nbsp;설치</span></div><div>apk&nbsp;add&nbsp;bind-tools</div><div><span style="color: #6a9955;">#&nbsp;대화형&nbsp;쉘로&nbsp;파드를&nbsp;실행</span></div><div>kubectl&nbsp;run&nbsp;-i&nbsp;--tty&nbsp;--rm&nbsp;debug&nbsp;--image=alpine&nbsp;--&nbsp;sh</div><br><div><span style="color: #6a9955;">#&nbsp;debug&nbsp;삭제</span></div><div>kubectl&nbsp;delete&nbsp;pod/debug</div><div><br></div><div><span style="color: rgb(106, 153, 85);">#&nbsp;현재 동작중인 pod 에 접속하기</span><br></div><div><div style="font-family: D2Coding, Consolas, &quot;Courier New&quot;, monospace, Menlo, Monaco, &quot;Courier New&quot;, monospace; font-size: 13px; line-height: 20px;">kubectl <span style="color: #dcdcaa;">exec</span> --stdin --tty {podName} -- /bin/sh</div></div><div><br></div><br><br><div><span style="color: #6a9955;">##&nbsp;아래&nbsp;명령어로&nbsp;endpoint/service&nbsp;등을&nbsp;확인하자</span></div><div><span style="color: #6a9955;">#&nbsp;nc&nbsp;사용</span></div><div>nc&nbsp;-vz&nbsp;&lt;ip&gt;&nbsp;&lt;port&gt;</div><br><br><div><span style="color: #6a9955;">#=======================================================================================================</span></div><div><span style="color: #6a9955;">#&nbsp;아래와&nbsp;같이&nbsp;만들고</span></div><div><span style="color: #6a9955;">#&nbsp;kubectl&nbsp;apply&nbsp;-f&nbsp;mysql-service.yaml</span></div><div><span style="color: #6a9955;">#&nbsp;로&nbsp;실행시키면&nbsp;팟&nbsp;안에서는&nbsp;mysql-service&nbsp;라는&nbsp;이름으로&nbsp;통신할&nbsp;수&nbsp;있는&nbsp;것&nbsp;같다?!</span></div><div><span style="color: #6a9955;">#&nbsp;아래&nbsp;내용을&nbsp;보면&nbsp;clusterIP로&nbsp;동작할&nbsp;것&nbsp;같다.(클러스터&nbsp;내부에서만&nbsp;동작)</span></div><div><span style="color: #6a9955;">#&nbsp;다만&nbsp;내부에서만&nbsp;붙을&nbsp;수&nbsp;있지만&nbsp;externalName으로&nbsp;외부로&nbsp;보내주는&nbsp;것&nbsp;같다.</span></div><div><span style="color: #6a9955;">#=======================================================================================================</span></div><div><span style="color: #6a9955;">#&nbsp;mysql-service.yaml</span></div><div>apiVersion:&nbsp;v1</div><div>kind:&nbsp;Service</div><div>metadata:</div><div>&nbsp;&nbsp;labels:</div><div>&nbsp;&nbsp;&nbsp;&nbsp;app:&nbsp;mysql-service</div><div>&nbsp;&nbsp;name:&nbsp;mysql-service</div><div>spec:</div><div>&nbsp;&nbsp;externalName:&nbsp;demordsmyqldbinstance.cimllxgykuy3.ap-south-1.rds.amazonaws.com</div><div>&nbsp;&nbsp;selector:</div><div>&nbsp;&nbsp;&nbsp;&nbsp;app:&nbsp;mysql-service</div><div>&nbsp;&nbsp;type:&nbsp;ExternalName</div><div>status:</div><div>&nbsp;&nbsp;loadBalancer:&nbsp;{}</div><div><span style="color: #6a9955;">#=======================================================================================================</span></div><br></div><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p><p><br></p>

[Kubernetes, k8s, eks] 기본적인 명령어 정리