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# kubernetesa
adamant-kite-43734
05/05/2022, 1:47 PMThis message was deleted.
a
agreeable-oil-87482
05/05/2022, 3:14 PMrancher/rancher creates the rancher management server, not a cluster. Did you provision another cluster from this instance?
i
incalculable-carpenter-21031
05/05/2022, 3:19 PMThanks David.
Yes, I created a cluster using the Rancher management but the rancher management server (RMS) is not accessible now but the cluster is up and running.
I have lost the ability to login to the rancher management server rancher/rancher. Now how will get access to / manage the RMS created cluster?
incalculable-carpenter-21031
05/05/2022, 3:20 PMYes, it was not a good idea to have a single docker container rancher/rancher to setup and manage my cluster. but now this is where i am and have learnt my lesson. but now I need to recover rancher/rancher 😞
incalculable-carpenter-21031
05/05/2022, 3:23 PMThe error message inside the rancher/rancher is :
Copy code
2022/05/05 13:17:32 [INFO] Waiting for server to become available: Get "<https://127.0.0.1:6443/version?timeout=15m0s>": x509: certificate has expired or is not yet valid: current time 2022-05-05T13:17:32Z is after 2022-05-04T20:33:29Zincalculable-carpenter-21031
05/05/2022, 3:24 PMis there a way to change / update the certificate?
incalculable-carpenter-21031
05/05/2022, 4:29 PMthis linked fixed my issue and saved my day:
https://github.com/rancher/rancher/issues/32210#issuecomment-823274580
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