1. Open the terminal and update software source with run:
sudo apt-get update
sudo apt-get upgrade
2. Enter "y" to continue.
3. Install the software “camorama” with run:
sudo apt-get install camorama
4.Open the software to take photo with run:
Camorama
5.Open the software you will see the camera is working.
6.Take a picture with the key combination CTRL+T, and CTRL+Q to exit.