I setup my kubernetes cluster by kubeadm. at the last step. I need join my nodes to the master. So i copy the join command to the node to exec it and whitout err. Then i back to master to exec "kubectl get nodes". there just a master node and without worker node. So i check the worker node's kubelet log and it show the err like this:

2月 16 15:51:44 localhost.localdomain kubelet[938]: E0216 15:51:44.608258 938 controller.go:177] failed to update node lease, error: Operation cannot be fulfilled on leases.coordination.k8s.io "localhost.localdomain": the object has been modified; please apply your changes to the latest version and try again I have no ideal to how to solve it. by the way, i have two question, this is one of it. Another is about kube-apiserver: kubernetes v1.16.2 write: broken out I still haven't solved it here is the main step i setup the cluster

setenforce 0
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config

systemctl stop firewalld && systemctl disable firewalld
iptables -F && iptables -X && iptables -F -t nat && iptables -X -t nat && iptables -P FORWARD ACCEPT

swapoff -a
sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab

modprobe br_netfilter
modprobe -- ip_vs
modprobe -- ip_vs_rr
modprobe -- ip_vs_wrr
modprobe -- ip_vs_sh
modprobe -- nf_conntrack_ipv4
sysctl -p

cat << EOF | tee /etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-iptables=1
net.bridge.bridge-nf-call-ip6tables=1
net.ipv4.ip_forward = 1
EOF
sysctl -p /etc/sysctl.d/k8s.conf

yum install -y epel-release conntrack ipvsadm ipset jq sysstat curl iptables libseccomp  unzip lrzsz
yum install -y yum-utils device-mapper-persistent-data lvm2  ntp ntpdate

ntpdate ntp1.aliyun.com

yum install docker-ce -y
yum -y install  kubelet-1.17.0 kubeadm-1.17.0 kubectl-1.17.0  kubernetes-cni

systemctl enable docker
systemctl enable kubelet.service
systemctl start docker
systemctl start kubelet

kubeadm config images list

kubeadm config print init-defaults > kubeadm.conf

kubeadm init --kubernetes-version=v1.17.0 --pod-network-cidr=192.168.0.0/16 --apiserver-advertise-address=172.16.5.150

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

then copy this to node to exec
kubeadm join 172.16.5.150:6443 --token 2yj4eu.lhdrdks0dykao9in \
    --discovery-token-ca-cert-hash sha256:8563b0c50c48e563cdd4ac4380206133535df8a020bc2a949ff66b5aa7722ea7

[root@localhost calico]# kubectl get pods --all-namespaces -o wide
NAMESPACE     NAME                                       READY   STATUS             RESTARTS   AGE   IP                NODE                    NOMINATED NODE   READINESS GATES
kube-system   calico-kube-controllers-5b644bc49c-8ht2m   1/1     Running            0          82m   192.168.102.134   localhost.localdomain   <none>           <none>
kube-system   calico-node-4887h                          1/1     Running            0          82m   172.16.5.152      localhost.localdomain   <none>           <none>
kube-system   coredns-6955765f44-9pjbp                   1/1     Running            0          9h    192.168.102.133   localhost.localdomain   <none>           <none>
kube-system   coredns-6955765f44-mlrdt                   0/1     CrashLoopBackOff   17         9h    192.168.102.132   localhost.localdomain   <none>           <none>
kube-system   kube-proxy-6fqwk                           1/1     Running            0          9h    172.16.5.151      localhost.localdomain   <none>           <none>
[root@localhost calico]# kubectl get pods --all-namespaces -o wide
NAMESPACE     NAME                                       READY   STATUS             RESTARTS   AGE   IP                NODE                    NOMINATED NODE   READINESS GATES
kube-system   calico-kube-controllers-5b644bc49c-8ht2m   0/1     Running            1          82m   192.168.102.137   localhost.localdomain   <none>           <none>
kube-system   calico-node-4887h                          1/1     Running            0          82m   172.16.5.159      localhost.localdomain   <none>           <none>
kube-system   coredns-6955765f44-9pjbp                   1/1     Running            16         9h    192.168.102.136   localhost.localdomain   <none>           <none>
kube-system   coredns-6955765f44-mlrdt                   0/1     CrashLoopBackOff   15         9h    192.168.102.135   localhost.localdomain   <none>           <none>
kube-system   kube-proxy-6fqwk                           1/1     Running            0          9h    172.16.5.151      localhost.localdomain   <none>           <none>
[root@localhost calico]# kubectl get nodes
NAME                    STATUS   ROLES    AGE   VERSION
localhost.localdomain   Ready    master   9h    v1.17.0
[root@localhost calico]#