Understand’s license can be completely accessed from the command line or on a headless server.
Entering a License:
und -setlicensecode XXXXXXXXXX
Remove (Unregister) License
und -deregisterlicensecode
Offline Licensing
Request Offline Code
und -createofflinerequestcode
Enter code into licensing.scitools.com and get back date and reply code
und -setofflinereplycode XXXXXXXX -expiration 2020-12-31
Return Offline Code
und –showofflinereturncode
Enter code into licensing.scitools.com