SSL 설정

K8S 네트워크 관련 에러

CNI 재설치

Calico

Calico 제거

kubectl delete -f https://docs.projectcalico.org/manifests/calico.yaml
rm -rf /var/run/calico/
rm -rf /var/lib/calico/
rm -rf /etc/cni/net.d/
rm -rf /var/lib/cni/

Calico 설치

On-premise2 k8s 구성 참조

Flannel

Flannel 설치

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

pod-cidr 설정을 k8s cluster와 맞춰주도록 하자.

Flannel 제거

## flannel 삭제
kubectl delete -f https://raw.githubusercontent.com/flannel-io/flannel/master/Documentation/kube-flannel.yml
kubeadm reset

systemctl stop kubelet
systemctl stop docker

rm -rf /var/lib/cni/
rm -rf /etc/cni/
rm -rf /run/flannel

## kube 설정 파일 삭제 ##
rm -rf $HOME/.kube

## 네트워크 설정 삭제 ##
ifconfig cni0 down
ip link delete cni0
ip link delete flannel.1

systemctl start docker

# 서버 reboot

참고자료