Kubernetes

kubectl installation

$ curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"

minikube installation

$ curl -LO https://github.com/kubernetes/minikube/releases/latest/download/minikube-linux-amd64
$ sudo install minikube-linux-amd64 /usr/local/bin/minikube && rm minikube-linux-amd64
$ sudo ln -s /usr/local/bin/minikube-linux-amd64 /usr/local/bin/minikube
$ minikube start
$ minikube status
$ docker exec -ti 4913739dd389 sh
$ minikube ssh
$ less ~/.kube/config
$ kubectl get no -o wide

oc installation

$ wget https://github.com/openshift/okd/releases/download/4.5.0-0.okd-2020-07-14-153706-ga/openshift-client-linux-4.5.0-0.okd-2020-07-14-153706-ga.tar.gz
$ tar -xvf openshift-client-linux-4.5.0-0.okd-2020-07-14-153706-ga.tar.gz
$ sudo mv oc /usr/local/bin/
$ oc login

Docker

sudo apt update

sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"

sudo apt update

apt-cache policy docker-ce

sudo apt install docker-ce

sudo systemctl status docker

sudo usermod -a -G docker user

su - user

docker run hello-world

docker ps