Change the Current Master Key
To change the master key:
If you know the current master key or if the current master key has been persisted:
Re-run the encryption setup command and follow the prompts.
ambari-server setup-security
Select Option
2
: Choose one of the following options:[1] Enable HTTPS for Ambari server.
[2] Encrypt passwords stored in ambari.properties file.
[3] Setup Ambari kerberos JAAS configuration.
Enter the current master key when prompted if necessary (if it is not persisted or set as an environment variable).
At the
Do you want to reset Master Key
prompt, enteryes
.At the prompt, enter the new master key and confirm.
If you do not know the current master key: