tls: failed to verify certificate: x509: certificate signed by unknown authority

1 개요[ | ]

tls: failed to verify certificate: x509: certificate signed by unknown authority

2 Unable to connect to the server[ | ]

# kubectl get no
E1214 16:06:43.187937   14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.394554   14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.553318   14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.806185   14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.986808   14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
Unable to connect to the server: tls: failed to verify certificate: x509: certificate signed by unknown authority

3 Error response from daemon[ | ]

root@wsl:~# kubectl describe pod -n ingress-nginx ingress-nginx-admission-create-c8qsg
...
  Warning  Failed     4m9s (x4 over 5m39s)   kubelet            Failed to pull image "registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.0@sha256:44d1d0e9f19c63f58b380c5fddaca7cf22c7cee564adeff365225a5df5ef3334": Error response from daemon: Get "https://registry.k8s.io/v2/": tls: failed to verify certificate: x509: certificate signed by unknown authority
  Warning  Failed     4m9s (x4 over 5m39s)   kubelet            Error: ErrImagePull
  Warning  Failed     3m55s (x6 over 5m39s)  kubelet            Error: ImagePullBackOff
  Normal   BackOff    35s (x20 over 5m39s)   kubelet            Back-off pulling image "registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.4.0@sha256:44d1d0e9f19c63f58b380c5fddaca7cf22c7cee564adeff365225a5df5ef3334"

4 같이 보기[ | ]

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