guvcview
sudo apt install guvcview
如果你直接安装,可能出现出不了图像.
如果没出图,卸载,换一个版本安装;
sudo apt remove guvcview
sudo add-apt-repository ppa:pj-assis/ppa
sudo apt-get update
sudo apt-get install guvcview
2.cheese
sudo apt install cheese
3.对于数字相机,coriander(1394)
sudo apt install coriander