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[[wikipedia:CoreDNS]] <ref>https://coredns.io/</ref> ([[2019]]) DNS and [[Service discovery]]
 
[[wikipedia:CoreDNS]] <ref>https://coredns.io/</ref> ([[2019]]) DNS and [[Service discovery]]
 
* https://coredns.io/
 
* https://coredns.io/
* <code>[[Corefile]]</code>
 
  
  kubectl -n [[kube-system]] [[-l]]=k8s-app=[[kube-dns]] [[get pods]]
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  kubectl -n [[kube-system]] -l=k8s-app=[[kube-dns]] [[get pods]]
 
  NAME                      READY  STATUS    RESTARTS  AGE
 
  NAME                      READY  STATUS    RESTARTS  AGE
 
  [[coredns]]-f47955f89-7ntw4  0/1    Pending  0          3h37m
 
  [[coredns]]-f47955f89-7ntw4  0/1    Pending  0          3h37m
 
  coredns-f47955f89-sl79r  0/1    Pending  0          3h37m
 
  coredns-f47955f89-sl79r  0/1    Pending  0          3h37m
  
== [[EKS]] ==
 
Terraform:
 
{{cluster_addons example}}
 
 
Related: [[Terraform EKS module official usage example]]
 
  
 
== Protocols ==
 
== Protocols ==
* <code>dns://</code> for plain DNS (the default if no scheme is specified).
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* dns:// for plain DNS (the default if no scheme is specified).
* <code>tls://</code> for DNS over TLS, see RFC 7858.
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* tls:// for DNS over TLS, see RFC 7858.
* <code>https://</code> for DNS over HTTPS, see RFC 8484.
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* https:// for DNS over HTTPS, see RFC 8484.
* <code>grpc://</code> for DNS over [[gRPC]]
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* grpc:// for DNS over [[gRPC]]
  
== Errors ==
 
* <code>[[Error: waiting for EKS Add-On]]</code>
 
* <code>[[Bad response statusCode (422)]]</code>
 
  
 
== Versions ==
 
== Versions ==
* 2022-01-24 1.8.7 https://coredns.io/2021/12/09/coredns-1.8.7-release/
 
 
 
 
* 2020/06/15 1.7.0 https://coredns.io/2020/06/15/coredns-1.7.0-release/
 
* 2020/06/15 1.7.0 https://coredns.io/2020/06/15/coredns-1.7.0-release/
  
 
== Related terms ==
 
== Related terms ==
* [[DNS]]: <code>[[kube-dns]]</code>
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* [[DNS]]
 
* <code>[[kube-system]] namespace</code>
 
* <code>[[kube-system]] namespace</code>
 
* [[Kubernetes 1.13]] (December 2018)
 
* [[Kubernetes 1.13]] (December 2018)
 
* <code>[[kubeadm config images pull]]</code>
 
* <code>[[kubeadm config images pull]]</code>
 
* [[Miek Gieben]]
 
* [[Miek Gieben]]
* [[EKS]]: <code>[[kubectl get service]] [[kube-dns]] -n kube-system</code>
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* <code>[[kube-dns]]</code>
 +
* [[EKS]]: <code>[[kubectl get service]] kube-dns -n kube-system</code>
 
* <code>[[kubectl cluster-info]]</code>
 
* <code>[[kubectl cluster-info]]</code>
 +
* [[CKA 1.23]]: [[Know how to configure and use CoreDNS]]
 
* <code>[[dnsPolicy:]]</code>
 
* <code>[[dnsPolicy:]]</code>
* [[EKS add-ons]]: <code>[[kube-dns]], [[kube-proxy]]</code>
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* <code>[[forward]]</code>
* <code>[[kubectl get serviceaccounts]]</code>
 
* [[Kubernetes DNS]]
 
  
 
== Activities ==
 
== Activities ==
 
* https://aws.amazon.com/premiumsupport/knowledge-center/eks-dns-failure/
 
* https://aws.amazon.com/premiumsupport/knowledge-center/eks-dns-failure/
* [[CKA 1.28]]: [[Know how to configure and use CoreDNS]]
 
  
 
== See also ==
 
== See also ==
* {{CoreDNS}}
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* {{K8s}}
* {{Kubernetes networking}}
 
  
 
[[Category:Kubernetes]]
 
[[Category:Kubernetes]]

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