Kubernetes: Certificate Authentication – Block Storage – StorageClass – SANDEEP

How certificates are used by your cluster– Kubernetes uses client certificates, bearer tokens, an authenticating proxy, or HTTP basic auth to authenticate API requests through authentication plugins– Client certificates generated by kubeadm expire after 1 year.– By default, kubeadm generates all the certificates needed for a cluster to run. You can override this behavior by providing your own certificates.– you must place them in whatever directory is specified by the –cert-dir flag or the certificatesDir field of kubeadm’s ClusterConfiguration. By

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ReplicasSets-DeamonSets-Statefulsets-Service-Loadbalancer-Discovery Services-CoreDNS-SANDEEP

ReplicasSets-DeamonSets-Statefulsets-Service-Loadbalancer-Discovery Services-CoreDNS Assignment – 1What is ReplicasSets?A ReplicaSet is a process that runs multiple instances of a Pod and keeps the specified number of Pods constant.Its purpose is to maintain the specified number of Pod instances running in a cluster at any given time to prevent users from losing access to their application when a Pod fails or is inaccessible. How to work with ReplicasSets?ReplicaSet helps bring up a new instance of a Pod when the existing one fails,scale it

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Docker – Lab – Day1-3 – Sandeep

Create Ec2 ubuntu instance (freeetire) in AWS Copy the permissions keys to local Open putty key load and generate private key Open Putty and browse the private key and login to the ubuntu instance Auto logged in with no credentials Install docker https://docs.docker.com/engine/install/ubuntu/ sudo apt install apache2 sudo apt-get install git Install Ansible:sudo apt-add-repository ppa:ansible/ansible Log into the Ubuntu Server that will host Ansible Install the necessary repository with the command sudo apt-add-repository ppa:ansible/ansible. Update apt with the command sudo

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