There is a great article already on this site describing how to do this. https://community.hortonworks.com/articles/49439/how-to-use-api-curl-commands-to-create-internal-ra.html Here is how I was able to do this: First capture the current users information: curl -s -u admin:admin -H "Accept: application/json" -H "Content-Type: application/json" -X GET http://127.0.0.1:6080/service/xusers/users/8 > /tmp/curl.out File contents: {"id":8,"createDate":"2016-03-14T14:41:05Z","updateDate":"2016-09-02T23:07:10Z","owner":"rangerusersync","updatedBy":"Admin","name":"HDP","firstName":"HDP","lastName":"HDP","emailAddress":"HDP@sandbox.hortonworks.com", "password":"*****","description":"HDP - add from Unix box","groupIdList":[6],"groupNameList":["root"],"status":0,"isVisible":1,"userSource":0,"userRoleList":["ROLE_USER"]} Modified to include mandatory fields and values to update: {"id":8,"name":"HDP","firstName":"HDP","lastName":"HDP","emailAddress":"HDP@sandbox.hortonworks.com","description":"HDP - add from Unix box","userRoleList":["ROLE_SYS_ADM"]} Update the users information and read it back: curl -u admin:admin -v -i -s -X PUT -H "Accept: application/json" -H "Content-Type: application/json" http://127.0.0.1:6080/service/xusers/secure/users/8 -d @/tmp/curl.out
curl -s -u admin:admin -H "Accept: application/json" -H "Content-Type: application/json" -X GET http://127.0.0.1:6080/service/xusers/users/8
{"id":8,"createDate":"2016-03-14T14:41:05Z","updateDate":"2016-09-02T23:08:49Z","owner":"rangerusersync","updatedBy":"Admin","name":"HDP","firstName":"HDP","lastName":"HDP","emailAddress":"HDP@sandbox.hortonworks.com","password":"*****","description":"HDP - add from Unix box","groupIdList":[6],"groupNameList":["root"],"status":0,"isVisible":1,"userSource":0,"userRoleList":["ROLE_SYS_ADM"]}
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