Hi @donghyun_ko
Please see A Comprehensive Guide to Building a Face Recognition System - Guides - Hailo Community for a discussion on this.
Briefly, you need to do the following:
Setting environment variables when working with HailoRT service
The environment variables for HailoRT service are defined in the file /etc/default/hailort_service:
To change an environment variable value, do the following:
- Change the desired environment variable in /etc/default/hailort_service
- Reload systemd unit files by running: sudo systemctl daemon-reload
- Enable and start service: sudo systemctl enable --now hailort.service
Hope this helps.