Openshift

[imtiazahmed93]

After the upgrading Kubectl, i am unable to login on openshift cluster.

When i am trying to login with "oc login " command it is reverting the below error message:

Error: unknown command "login" for "kubectl"

Did you mean this?

logs

plugin

Run 'kubectl --help' for usage.

Below are the some details of version from machine where i have the login issue________________

kubectl version

Client Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.0", GitCommit:"9e991415386e4cf155a24b1da15becaa390438d8", GitTreeState:"clean", BuildDate:"2020-03-25T14:58:59Z", GoVersion:"go1.13.8", Compiler:"gc", Platform:"linux/amd64"}

error: You must be logged in to the server (the server has asked for the client to provide credentials)

----Below are the some details of version from machine where i have no issue , i am able to login and didn't upgrade kubectl version_____

kubectl version

Client Version: version.Info{Major:"", Minor:"", GitVersion:"v0.0.0-master+$Format:%h$", GitCommit:"$Format:%H$", GitTreeState:"", BuildDate:"1970-01-01T00:00:00Z", GoVersion:"go1.12.12", Compiler:"gc", Platform:"linux/amd64"}

Server Version: version.Info{Major:"1", Minor:"16+", GitVersion:"v1.16.2+f2384e2", GitCommit:"f2384e2", GitTreeState:"clean", BuildDate:"2020-06-16T03:21:27Z", GoVersion:"go1.12.12", Compiler:"gc", Platform:"linux/amd64"}

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Additional: i have checked by downgrade the kubectl versions , but getting same error on that machine where i unable to login using "oc login"

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