How to Disable Your Laptop’s Webcam in Ubuntu 18.04

For security or any other reason, here’s how to disable your laptop’s webcam in Ubuntu 18.04, and also all other current Ubuntu releases.

To disable Webcam temporarily:

You can disable your webcam device easily via modprobe command.

Open terminal either via Ctrl+Alt+T or by searching for ‘terminal’ from app launcher. When it opens, run command:

sudo modprobe -r uvcvideo

The command removes the module from Linux kernel. Webcam is disabled until you reboot Ubuntu. Just start (or restart) Cheese to check it out:

To permanently disable webcam in Ubuntu:

You can add a rule into configuration file, so your Ubuntu machine never starts the webcam kernel module on boot.

Open terminal and run command to edit the configuration file:

sudo gedit /etc/modprobe.d/blacklist.conf

When the file opens, add two new lines and save it.

#Disable webcam
blacklist uvcvideo

To revert the changes, simply remove the 2 lines, save the file and finally reboot.