How to use "nova root-password" / "nova set-password" for resetting the instance root password ?

Solution Verified - Updated -

Issue

  • nova root-password / nova set-password commands are same ?
  • While trying to reset the instance root password an error is reported in /var/log/nova/nova-compute.log .
  • How to use the nova root-password command to reset the root password of instance ?.

Environment

  • Red Hat OpenStack.

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