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 kubelet :An agent that runs on each node in the cluster. It makes sure that containers are running in a Pod. kube-proxy :kube-proxy maintains network rules on nodes. Manage communication within the cluster and outside the cluster. Also assign ip address for pods Container runtime: For managing and run the containers.

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 API server : It is the front end for the Kubernetes control plane, exposes the Kubernetes API. All other components interact with api server. SchedulerThis is one of the key components of Kubernetes master. It is a service in master responsible for distributing the workload. Controller ManagerControls the Kubernetes cluster. It includes the Endpoints

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 Container orchestration Manages state of container Auto healing function Auto Scaling Load balancing Easy deployment Implement the changes easily Automated rollouts and rollbacks

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 Azure File Storage plugin BeeGFS Volume Plugin Blockbridge plugin Contiv Volume Plugin Convoy plugin DigitalOcean Block Storage plugin DRBD plugin Flocker plugin Fuxi Volume Plugin gce-docker plugin GlusterFS plugin Horcrux Volume Plugin HPE 3Par Volume Plugin Infinit volume plugin IPFS Volume Plugin Keywhiz plugin Local Persist Plugin NetApp Plugin (nDVP) Netshare plugin Nimble Storage Volume

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 FROM : Set base image MAINTAINER : Author of docker file RUN : Run the commands in new layer VAR : Used to set variable, we can re-use these variables later EXPOSE : specify port of the container COPY : Copy files to the container ADD : copy files into container and extract it

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 Docker image is a collection of file system Can create multiple container from same image File systems are layered over each other Layer 0 is the base image All layers in a docker image is read only. Image layering is by Union Mounts

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 1993 docker run -itd –name=sjt ubuntu1995 docker ps |grep sjt1998 docker attach sjt apt-get update apt-get install git apt-get install ntp apt-get install apache2 1999 docker commit -a”Sujith Sunny” -m”ub-up-git-ap2″ sjt ub-up-git-ap22000 docker images

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 Storage drivers are used to store image layers, and to store data in the writable layer of a container. Types are overlay,overlay2,fuse-overlayfs,btrfs,zfs,vfs,aufs and devicemapper. overlay2 is the default storage driver.

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 docker wait command is used to block the container until the container exit. once the container is stoped, it returns the exit code (0)

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 docker update command is used to update the default configuration of a specific container.for example, limiting resources like memory, cpu etc

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 Docker pause is used to pause all the processes in the container, but the memory will be still used. Docker unpause will resume the processes.

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 Docker kill will stop all the processes in a container forcefully but docker stop will stop the processes gently.

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 The docker container is an independent light weight environment for running an application, docker image is the package used to create, run and deploy application in containers.