(Note I don't have shield installed so I didn't use the -u option)
{"acknowledged":false,"license_status":"valid","acknowledge":{"message":"This license update requires acknowledgement. To acknowledge the license, please read the following messages and update the license again, this time with the "acknowledge=true" parameter:","marvel":["basic"]}}
The above cURL request is just a PUT request that sends the license.json file as the body of the request. As the file extension implies, the file contains a JSON data structure. @license.json is used instead of license.json as a way to tip off the cURL command that it needs to dump the contents of that arbitrarily named file as the body of the request.
Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant
logo are trademarks of the
Apache Software Foundation
in the United States and/or other countries.