Licensing¶

You receive a license file from your NTechLab manager along with the FindFace Enterprise Server SDK distributable packages. If you opt for on-premise licensing, we will also send you a Guardant USB dongle. The licensing scheme for FindFace Enterprise Server SDK is shown on the diagram below.

licensing_en

To provide the FindFace Enterprise Server SDK licensing, follow the steps below:

Install and configure the local license server NTLS.
If the licensable components (findface-nnapi, tntapi, fkvideo_detector, extraction-api) are installed on remote hosts, specify the NTLS host IP address in their configuration files.

To install and configure NTLS, do the following:

Install the NTLS component:
```
sudo apt-get update
sudo apt-get install ntls
```
Tip

In the NTLS configuration file, you can change the license folder and specify your proxy server IP address if necessary. You can also change the NTLS web interface remote access settings. To open the NTLS configuration file, execute:
```
sudo vi /etc/ntls.cfg
```
If necessary, change the license folder in the license-dir parameter. By default, license files are stored at /ntech/license:
```
license-dir = /ntech/license
```
If necessary, uncomment the proxy line and specify your proxy server IP address:
```
proxy = http://192.168.1.1:12345
```
By default, you can access the NTLS web interface from any remote host (ui = 0.0.0.0:3185). To indicate that accessing the NTLS web interface must originate from a specific IP address, edit the ui parameter:
```
ui = 127.0.0.1:3185
```

Enable the NTLS service autostart and launch the service:

sudo systemctl enable ntls && sudo systemctl start ntls

Upload the license file via the NTLS web interface http://<NTLS_IP_address>:3185/#/. You can also use the NTLS web interface to consult your license information, and upgrade or extend the license.
For on-premise licensing, insert the Guardant dongle into a USB port.

Important

If the licensable components (findface-nnapi, tntapi, fkvideo_detector, extraction-api) are to be installed on remote hosts, keep in mind that you have to specify the IP address of the NTLS host in their configuration files after installation.