The latest articles on Debug School by Abhishaik Srivastava (@dynamicanshu_198). https://www.debug.school/dynamicanshu_198 https://www.debug.school/images/6c9OaHlm0Qhfms9NAdbiBJDjIYlC0w59ZsdYwIvj-SA/rs:fill:90:90/g:sm/mb:500000/ar:1/aHR0cHM6Ly93d3cu/ZGVidWcuc2Nob29s/L3VwbG9hZHMvdXNl/ci9wcm9maWxlX2lt/YWdlLzcwMy9mZGRk/Y2Y0Mi0yNGZkLTQx/ZjUtODFkNC0xZjE2/ZTE4MWRlM2EucG5n https://www.debug.school/dynamicanshu_198 en Abhishaik Srivastava Thu, 21 Sep 2023 09:21:56 +0000 https://www.debug.school/dynamicanshu_198/abhishaik-srivastava-1i8n https://www.debug.school/dynamicanshu_198/abhishaik-srivastava-1i8n <h1> What is Kubernetes? </h1> <p>Kubernetes is a container orchestrator just like a helmsman of a ship. It ensures to keep the number of containers running all the time based on the requirement configured.</p> <h1> Why do we need it? </h1> <p>Container technologies can't scale well. There are limitations to scale them.<br> To ensure to maintain SRE level requirements and ensure no downtime of the applications.</p> <h1> How it works? </h1> <p>It works based on the concept of master and worker node, where everything is controlled by master or a control plane and actual jobs will be done by the worker nodes.</p> <h1> What are the components of Master? </h1> <p>1) apiserver<br> 2) Controller Manager<br> 3) Storage (key value pair etcd)<br> 4) Scheduler</p> <h1> What are the components of Worker? </h1> <p>1) Kubelet<br> 2) Docker engine<br> 3) Container runtime</p> kubernetes basics gehc