Docker Quiz Kubernetes Quiz Below are the list of PCF Commands

Assignment – 1 1. What 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.   ReplicaSet helps bring up a new instance of a Pod when the existing one fails, scale it up

What is POD ? It has one or more containers It’s your application or service It’s the most basic unit of work Unit of scheduling Ephemeral – no POD is ever “redeployed” Atomicity – They are there or NOT PODS can communicate through network. POD get an IP address by kube-proxy Load balance connects to POD’s as POD have IP address NOT containers POD is running until we have containers are running inside it All containers in POD have the

Benefits of Kubernetes Speed of the deployment Ability to absorb the change quicky Ability to recover quickly Hide complexity in Cluster Storage Orchestration Secret and config management Automatic bin packing Self healing Automated roll outs and rollbacks Service discovery and load balancing How does Kubernetes works ? What are the components we have in K8’s Master ? kube-apiserver – It acts as front end control panel, Consumes JSON files and Exposes the REST API’s Clster Store(etcd) – It persistent the

Step 1 – Register a site to POST Assigment and Share with Trainer and For Self Notes Step 2 – Pre Test using LMS Login to https://www.devopsschool.com/lms/ using any gmail account Try this quiz – https://www.devopsschool.com/lms/mod/quiz/view.php?id=250 Send a results to shiva@palmeto.co.in Step 3 – Install Docker Engine in Centos#1 Vm. Step 4 – Assignment#1 Create a Ubuntu containerdocker run -it ubuntuIt will fetch the ubuntu docker image from docker hub and you will be connected to container in detached mode.