There are built-in users that you can use for specific administrative purposes:
Before you can use them, you must set their passwords:
Restart Elasticsearch. For example, if you installed Elasticsearch with a
.tar.gzpackage, run the following command from the Elasticsearch directory:
Set the built-in users' passwords. Run the following command from the Elasticsearch directory:
You need these built-in users in subsequent steps, so choose passwords that you can remember!