- After an in place upgrade of an Amazon EC2 instance from RHEL 7.8 to RHEL 8.2, users are unable to log in, seeing the below errors:
debug1: Unspecified GSS failure. Minor code may provide more information No Kerberos credentials available (default cache: KCM:)
- Log in possible using the service account.
Red Hat Enterprise Linux 7.8
Red Hat Enterprise Linux 8.2
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