CODE EDITOR Code editors are the software that is designed usually to help developers for coding. These are the text editors with some additional functionalities to manage and edit code. It can be a part of an IDE. By Using the code editor can improve the speed of coding. Which editor you will use for coding? From my openion i will personally use vs code for codding it provides lots of functionalities and easy to use. What is the most

By Akhil Features of Kubernetes Automated rollouts and rollbacks Storage orchestration Self-healing Service discovery and load balancing Batch execution Horizontal scaling Container grouping using pod Auto scalability DNS management Resource monitoring and logging How Kubernetes Works ? What are the components of Master? Master has 4 components API Server Scheduler Controller-Manager etcd What are the components of worker node ? kubelet kube-proxy POD which inturn has containers Components of Workstation kubectl json/yaml file creation

Kubernetes Lab Day5-Suresh Master Node : WorkerNode

Master API Server Cluster store  (ETCD)   Controller manager Scheduler Worker Kubler Docker Kube-proxy Workstation kubectl

What is POD ?

What are the 10 feature of kubernetes? How kubernetes works? What are the components of Master? explain in one line sentense What are the components of Worker/Node/Agent What are the components of Workstation?

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What are the 10 feature of kubernetes? Automated Scheduling Self-Healing Capabilities Automated rollouts & rollback Horizontal Scaling & Load Balancing Offers environment consistency for development, testing, and production Infrastructure is loosely coupled to each component can act as a separate unit Provides a higher density of resource utilization Offers enterprise-ready features Application-centric management Auto-scalable infrastructure You can create predictable infrastructure How kubernetes works? Kubernetes clusters are comprised of one master node(control plane) and a number of worker nodes. These nodes

One or more containers application or service Basic unit of work Unit of scheduling Ephemeral Atomicity Intra POD communication Inter POD communication Containers run inside of pods Pods can have multiple containers All containers in pod share the pod environment Tight Coupling Loose coupling Pod networking – each POD has an IP address(Kube-proxy) Pod status – ready, pending, running and success/failed Pods deployment – via higher level objects

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

Features of Kubernetes: Automated scheduling Self healing capability Storage orchestration Automated rollbacks Bin packing Scaling Load balancing Resource utilization Portability secret and config management How kubernetes works? Kubernetes clusters are comprised of one master node(control plane) and a number of worker nodes. These nodes can either be physical computers or virtual machines, depending on the cluster. The master node controls the state of the cluster; for example, which applications are running and their corresponding container images. Components of Master Node:

What are the 10 feature of kubernetes?1.self healing2.Rolling update and rollback3.Auto scalability4.Combinations of container in Pod5.Manages container workload and services6.health checking7.speed deployment8.ability to absorb chnages quickly9.ability to recover quickly10.hide complexity in cluster How kubernetes works?By implementation of cluster with combinations of both control node and worker nodes, What are the components of Master? explain in one line sentense1.API server: it is an cluster gateway.2.cluster storage: it stores all data from API server(etcd)3.conroller manager:it is responsible to make sure all current

What are the 10 features of kubernetes ? container orchestrator Workload placement Maintains desired state Self-healing Automated rollbacks Auto scaling Load balancing Speed of deployment Ability to absorb change quickly Hide complexity in the cluster How Kubernetes works ? Kubernetes are comprised of master and multiple nodes where Master is In-charge of cluster which manages nodes and nodes manages one or multiple pods and pod manages one or multiple containers. What are the components of Master ? Kube-API server –

10 feature of k8 rollout container orch scaling self healing load balancing custom controller custom scheduling able to decide itself on nodes to go for pod infra is loosely coupled less human intervention How k8 work Component of master API Server:helps to talk to outside world also node talk to API server Cluster store -> storing info about cluster and pass that API server Controller manager manager -> status of cluster is informed by controller manager to api-server , act

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