License server uses single configuration file called
/etc/opt/r3dslicserver/r3dslicserver.conf on Linux
C:/ProgramData/R3DS/License Server/r3dslicserver.conf on Windows
Change C: to corresponding letter if you have your OS installed on another drive. Default variant of the file for Linux is presented below (Windows version differs only in the licenseDirectory value):
host=0.0.0.0 port=7307 licenseDirectory=/etc/opt/r3dslicserver/licenses
To apply changes on Linux restart r3dslicserver by issuing the command below:
$ sudo systemctl restart r3dslicserver.service
To apply changes on Windows restart service called R3DS License Service.