Docker

Check the Docker version

docker version

Run Hello World

docker run hello-world

Docker Details

docker ps -a
docker ps
docker images
docker info

Run Ubuntu

docker pull ubuntu

docker run -it ubuntu 

$apt-get update

exit 

docker container ls -all
 

Commit the Changes

docker commit -m "did a apt-get udpate" -a "authorName" funny_meninsky harshit/ubuntu-demo

Docker Swarms

docker swarm init --advertise-addr 192.168.29.44:2377 --listen-addr 192.168.29.44:2377

Did not work port errir

Install Minicube on Mac

brew install kubectl
brew install minikube

Kuberenets Commands

# command structure

kubectl [command] [type] [name] [flags]

## Make local + external nodes visible
$ kubectl get nodes


## version of both local and client version
$ kubectl version

Q . Version difference between client and server version .

• Get the Deployments (Only deployed)

$ kubectl get deployments

• Get pods both the deployed and un-deployed ones

$ kubectl get pods

• Get the Details of the Pod in YAML format

$ kubectl get pod <pod name> -o=yaml    

• All the Details of pods and deployments etc .

$ kubectl get all

• Get all the namespace in cluster

$ kubectl get namespaces

• Get all the namespaces with Labels in the cluster

$ kubectl get namespaces --show-labels

• Create Namespace in cluster

Q . difference between context and namespace in context

$ kubectl