InformationEnsure that the admin.conf file ownership is set to root:root.
The admin.conf file contains the admin credentials for the cluster. You should set its file ownership to maintain the integrity of the file. The file should be owned by root:root.
SolutionRun the below command (based on the file location on your system) on the master node. For example,
chown root:root /etc/kubernetes/admin.conf
By default, admin.conf file ownership is set to root:root.