Kubernetes(K8s) 완전 삭제하는 방법

Pod, Deployment, Service 삭제

kubectl get namespace

kubectl delete all --all --namespace=default
kubectl delete namespace <namespace_name>

시스템 초기화

sudo kubeadm reset

네트워크 초기화

sudo iptables -F && sudo iptables -t nat -F && sudo iptables -t mangle -F && sudo iptables -X

패키지 삭제

sudo apt-get purge kubeadm kubectl kubelet kubernetes-cni kube*
sudo apt-get autoremove

디렉토리 삭제

sudo rm -rf /etc/kubernetes /var/lib/etcd /var/lib/kubelet /etc/cni /opt/cni

도커 삭제

sudo docker ps -a
sudo docker stop $(sudo docker ps -a -q)
sudo docker rm $(sudo docker ps -a -q)

sudo docker images
sudo docker rmi $(sudo docker images -q)

reboot

sudo reboot