PODs in Kubernetes

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Atomic unit of work in Kubernetes They are the application/service Can contain multiple containers Pods cannot be created/destroyed, only instantiated Pod lifecycle -> pending, ready, failed/succeeded Pods are instantiated by Kubelet in the worker nodes Pods can be scaled up/down Pods have unique IPs Containers within a Pod share namespace resources like network, mount,

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Kubernetes architecture

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now Kuberenetes consists of a master, worker nodes and workstation (pc that developer uses to send commands to control plane/master) Master has the following components: API Server (Communicates with every other component in the control plane aka master) Etcd (Cluster store -> stores information about the cluster (The desired state)) Controller Manager (Probes all the

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Docker Image Definition

Limited Time Offer! For Less Than the Cost of a Starbucks Coffee, Access All DevOpsSchool Videos on YouTube Unlimitedly. Master DevOps, SRE, DevSecOps Skills! Enroll Now It’s a collection of filesystems, namely => rootfs, user fs, application fs These filesystems are represented as layers. Therefore each docker image has multiple filesystems, that is, each docker image has multiple layers Each layer is identified by a uuid, which is sha256 encoded. The lowest layer is the root filesystem. That is, it

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