文章目录
解决方法1：
export KUBECONFIG=/etc/kubernetes/admin.conf export $HOME/.kube/config
解决方法2：
mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf HOME/.kube/config sudo chown (id -u):$(id -g) $HOME/.kube/config Alternatively you can also export KUBECONFIG variable like this: export KUBECONFIG=$HOME/.kube/config
解决方法3：
#!/bin/bash swapoff -a systemctl start kubelet docker start (docker ps -a -q) docker start (docker ps -a -q)
解决方法4：
sudo systemctl status firewalld #redhat centos sudo systemctl stop firewalld #redhat, centos sudo ufw status verbose #ubuntu sudo ufw disable #ubuntu
解决方法5：
- master： 192.168.211.40
- node1： 192.168.211.41
- node2： 192.168.211.42
master
$ kubeadm reset $ kubeadm init --pod-network-cidr=172.22.0.0/16 --apiserver-advertise-address=192.168.211.40 --kubernetes-version=v1.20.1 .......... mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config You should now deploy a pod network to the cluster. Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at: https://kubernetes.io/docs/concepts/cluster-administration/addons/ Then you can join any number of worker nodes by running the following on each as root: kubeadm join 192.168.211.40:6443 --token s7apx1.mlxn2jkid6n99fr0 \ --discovery-token-ca-cert-hash sha256:2fa9da39110d02efaf4f8781aa50dd25cce9be524618dc7ab91a53e81c5c22f8 mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config
node1
$ kubeadm reset $ kubeadm join 192.168.211.40:6443 --token s7apx1.mlxn2jkid6n99fr0 \ --discovery-token-ca-cert-hash sha256:2fa9da39110d02efaf4f8781aa50dd25cce9be524618dc7ab91a53e81c5c22f8
master
$ kubectl get nodes NAME STATUS ROLES AGE VERSION master Ready master 5m18s v1.18.6 node1 Ready <none> 81s v1.18.6 node2 Ready <none> 43s v1.18.6 $ scp /root/.kube/config root@192.168.211.41:/root/.kube/config $ scp /root/.kube/config root@192.168.211.42:/root/.kube/config $ root@master:~# kubectl get pods -A NAMESPACE NAME READY STATUS RESTARTS AGE kube-system coredns-66bff467f8-2xmnt 0/1 Pending 0 21m kube-system coredns-66bff467f8-ghj2s 0/1 Pending 0 21m kube-system etcd-master 1/1 Running 0 22m kube-system kube-apiserver-master 1/1 Running 0 22m kube-system kube-controller-manager-master 1/1 Running 0 22m kube-system kube-proxy-dh46z 1/1 Running 0 7m35s kube-system kube-proxy-jq6cb 1/1 Running 0 21m kube-system kube-proxy-z6prp 1/1 Running 0 9m14s kube-system kube-scheduler-master 1/1 Running 0 22m $ kubectl apply -f https://docs.projectcalico.org/v3.10/manifests/calico.yaml configmap/calico-config created customresourcedefinition.apiextensions.k8s.io/felixconfigurations.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/ipamblocks.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/blockaffinities.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/ipamhandles.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/ipamconfigs.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/bgppeers.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/bgpconfigurations.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/ippools.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/hostendpoints.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/clusterinformations.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/globalnetworkpolicies.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/globalnetworksets.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/networkpolicies.crd.projectcalico.org created customresourcedefinition.apiextensions.k8s.io/networksets.crd.projectcalico.org created clusterrole.rbac.authorization.k8s.io/calico-kube-controllers created clusterrolebinding.rbac.authorization.k8s.io/calico-kube-controllers created clusterrole.rbac.authorization.k8s.io/calico-node created clusterrolebinding.rbac.authorization.k8s.io/calico-node created daemonset.apps/calico-node created serviceaccount/calico-node created deployment.apps/calico-kube-controllers created serviceaccount/calico-kube-controllers created
参考资料：
