k3s/core/README.md

调试

kubectl run -i --tty --rm --restart=Never \
  --overrides='{"apiVersion": "v1", "spec": {"nodeSelector": {"kubernetes.io/hostname": "homea"}}}' \
  --image=busybox:1.28 \
  debug -- sh

path core中服务的节点亲和性 使他们只运行在master节点上

kubectl patch -n kube-system deployment coredns --patch-file=patch-affinity.yaml