Ubuntu – How to turn off the ubuntu web camera


I was using facebook messenger, and When I finished my call, the web cam stilled working.I have an integrated camera in my laptop HP 630.
Is there a way to turn it off ? Thanks.

Best Answer

Thank you guys, the problem is gone.

- I used the command : lsof | grep video0 to find the software using my webcam. It was FireFox.

- I just restarted FireFox, and then the webcam turned off.

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