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In the simplest terms, a Service Account enables machines such as applications, chatbots, pods, virtual machines, and others to interact with the Core API in Kubernetes. For instance, if you are creating a chatbot that receives commands to set up infrastructure in a Kubernetes Cluster, such as Deployments and Services, Service Accounts are used to grant both authentication and authorization to the chatbot. The diagram illustrates how external applications, like a chatbot, uti

Background Kubernetes allows you to utilize a public key infrastructure (PKI) for client authentication to your cluster. You use a CertificateSigningRequest as part of this process, and either you or some other principal must approve the request. Below is our setup kubectl communicates with kubernetes cluster using csr Step 1: Create a Private Key openssl genrsa -out perry.key 3072 This will generate a private key named perry.ke y openssl private key generation Step 2: Creat

Real Life Problem After installing a Kubernetes Cluster in your own private cloud, you've came to realize that your application can not store data. That is because by default Kubernetes does not come with a storage solution. At most, you can configure a local storage, but that doesn't work in production. That is because data stored in local storage are not available and persisted across pods running in different nodes. You might be tempted to mount NFS but it has limitation,

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