Camera model
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What is the problem?
Webcam doesnt show up usb type webcam
What did you already try to solve it?
Hello I just have a question I'm trying to get my USB to connect to my octopi fir web cam use but what keeps happening in your video doesnt work here in my folder directories when I hit sudo nano /boot/camera-streamer/libcam.conf
(Nothing existed) basically im stuck at 8080 without a way to switch it over . Ive tried steps you posted but i was unsuccessful 
. Please help buddy thanks
https://youtu.be/n9smmmH1O7Y?si=df7SGwvvv-Dpb02-
Have you tried running in safe mode?
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Did running in safe mode solve the problem?
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Systeminfo Bundle
You can download this in OctoPrint's System Information dialog ... no bundle, no support!)
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Additional information about your setup
OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible
Errors were detected - Unable to connect to the provided snapshot URL of http://127.0.0.1:8080/?action=snapshot for the 'Webcam - Default OctoPi 0.16.0' camera profile.
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