Kubernetes
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Installation
sudo apt-get update sudo apt-get install -y apt-transport-https ca-certificates curl sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list sudo apt-get update sudo apt-get install -y kubelet kubeadm kubectl sudo apt-mark hold kubelet kubeadm kubectl
Шпаргалка по командам
minikube start --mount-string="$HOME/go/src/github.com/nginx:/data" --mount --driver=docker minikube ip kubectl cluster-info kubectl create deployment nginx-depl --image=nginx kubectl get pod kubectl get replicaset kubectl get pod <POD-ID> -o wide kubectl get deployment nginx-depl kubectl get deployment nginx-depl -o yaml kubectl edit deployment nginx-depl kubectl logs <POD-ID> kubectl describe pod <POD-ID> kubectl exec -it <POD-ID> -- /bin/bash kubectl apply -f <CONFIG.YML> kubectl get deployment nginx-deployment -o yaml # https://kubernetes.github.io/ingress-nginx/troubleshooting/ kubectl get ingress -n mongo-admin kubectl describe ing mongo-express-ingress -n mongo-admin kubectl describe ingress mongo-express-ingress -n mongo-admin kubectl rollout restart deployment <deployment_name> -n <namespace>
System reset
minikube stop minikube delete rm -rf ~/.minikube rm -rf ~/.kube docker kill $(docker ps -q) docker rm $(docker ps -a -q) docker rmi $(docker images -q) docker system prune
Setup cluster
sudo su swapoff -a kubeadm reset kubeadm init mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config