자세한 설명 : https://dbrang.tistory.com/1537
https://www.tensorflow.org/tutorials/quickstart/beginner?hl=ko
터미널에, nvgstcapture-1.0 나가려면 enter 치고, Ctrl+c
https://github.com/dusty-nv/jetson-inference/blob/master/docs/building-repo-2.md