sudo apt-get install v4l2loopback-dkms echo options v4l2loopback devices=1 video_nr=20 \ card_label="fakecam" exclusive_caps=1 | sudo tee -a \ /etc/modprobe.d/fakecam.conf echo v4l2loopback | sudo tee -a /etc/modules-load.d/fakecam.conf sudo modprobe -r v4l2loopback sudo modprobe v4l2loopback
snap connect fakecam:camera # 별도 디스크의 사진을 읽으려면 snap connect fakecam:removable-media