[ERROR FileAvailable--etc-kubernetes-pki-ca.crt]: /etc/kubernetes/pki/ca.crt already exists

#virtualbox

 

#master node

 

rm -rf /root/.kube/config

kubeadm reset

kubeadm init --pod-network-cidr=10.90.0.0/16 --apiserver-advertise-address=192.168.56.114

rm -rf /root/.kube/config

mkdir -p $HOME/.kube

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

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

systemctl restart kubelet 

systemctl restart docker    

 

#slave1 node

systemctl restart kubelet 
systemctl restart docker
kubeadm reset         

rm -rf $HOME/.kube/config

 kubeadm join 192.168.56.114:6443 --token udcuo6.5hlqzjcpuqn4ku43 \
>     --discovery-token-ca-cert-hash sha256:f6cd6db2acd79f7f112db34d13abf4e6c0559e2f0d46386655253f828d6d47ac