kbmaster

apt update

apt -y install curl apt-add-repository

apt -y install docker.io

systemctl enable docker

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add

apt-add-repository "deb http://apt.kubernetes.io/ kubernetes-xenial main"

apt -y install kubeadm

kubeadm init --pod-network-cidr=10.244.0.0/16

mkdir -p $HOME/.kube

sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config

sudo chown $(id -u):$(id -g) $HOME/.kube/config

kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml

kubectl get pods --all-namespaces

echo “[WARNING] get join command”

echo “Command after join new node: kubectl get nodes”

kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/master/aio/deploy/recommended/kubernetes-dashboard.yaml

kubectl proxy --address 0.0.0.0 -p 80
--accept-hosts='^143.106.16.*$,^xaveco.lab.ic.unicamp.br$'
--disable-filter=true

kubectl apply -f https://www.ic.unicamp.br/~william/howto/dashboard-adminuser.yaml

kubectl apply -f https://www.ic.unicamp.br/~william/howto/role-adminuser.yaml

kubectl -n kube-system describe secret $(kubectl -n kube-system get secret | grep admin-user | awk '{print $1}')

kbnode

apt update

apt -y install curl apt-add-repository

apt -y install docker.io

systemctl enable docker

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add

apt-add-repository "deb http://apt.kubernetes.io/ kubernetes-xenial main"

echo “execute join command”

Get Token

kubectl get secrets -o jsonpath="{.items[?(@.metadata.annotations['kubernetes\.io/service-account\.name']=='default')].data.token}"|base64 --decode

kubectl config set newconfig

kubectl proxy

http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/#/node?namespace=default

Create kubeconfig file with kubectl
http://docs.shippable.com/deploy/tutorial/create-kubeconfig-for-self-hosted-kubernetes-cluster/

apiVersion: v1 clusters: - cluster: insecure-skip-tls-verify: true server: https://server.x.x:8443 name: minikube contexts: - context: cluster: minikube user: minikube name: minikube current-context: minikube kind: Config preferences: {} users: - name: minikube user: client-certificate: /home/william/.minikube/profiles/minikube/client.crt client-key: /home/william/.minikube/profiles/minikube/client.key

Dashboard: https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/

http://localhost:8001/api/v1/namespaces/kubernetes-dashboard/services/https:kubernetes-dashboard:/proxy/

Como eh link http://localhost:8001/api/v1/namespaces/istio-system/services/http:kiali:9090/proxy/

Minikube kvm2

curl -LO https://storage.googleapis.com/minikube/releases/latest/docker-machine-driver-kvm2
chmod +x docker-machine-driver-kvm2
sudo mv docker-machine-driver-kvm2 /usr/local/bin/
docker-machine-driver-kvm2 version
minikube config set vm-driver kvm2
cat .minikube/config/
minikube start --nodes 2 # or # minikube start --nodes 2 --vm-driver kvm2

nginx ingress baremetal

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v0.47.0/deploy/static/provider/baremetal/deploy.yaml
kubectl get all -n ingress-nginx
kubectl edit deployment.apps/ingress-nginx-controller -n ingress-nginx
and redeploy or
kubectl edit replicaset.apps/ingress-nginx-controller-XXXXXXXXXX -n ingress-nginx
Others options: https://kubernetes.github.io/ingress-nginx/deploy/baremetal/