问题描述:

  • 查看pods状态,发现 calico-node异常
[root@k8s-master ~]# kubectl get pods --all-namespaces
NAMESPACE              NAME                                         READY   STATUS    RESTARTS   AGE
kube-system            calico-node-m5s7m                            0/1     Running   0          25s
kube-system            calico-node-s959x                            0/1     Running   0          12s
  • 查看日志提示 :
listen tcp: lookup localhost on ip:53: no such host
  • 原因分析:
    localhost未设置映射

  • 解决方案:
    添加localhost映射:

#vi /etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
 
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