Hello guys, I was running a docker container that contains the normal ros packages and usb_cam. I visualized the ubuntu interface through a VNC (localhost:5900) and tried `roslaunch usb_cam usb_cam-test.launch` in the VNC viewer. However, I got:
[ERROR] [1559585420.922861365]: Cannot identify '/dev/video0': 2, No such file or directory
When I tried `ls -ltrh /dev/video*`, I got `ls: cannot access '/dev/video*': No such file or directory`.
Everything works when I tried the aboves on my local computer, are there any additional steps I need to make so I can use my webcam in a docker image?
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