我使用的是 Ubuntu 14.04 x64（Lenovo G510，intel i5），但 cheese 不起作用，Skype 也不行。
我做的第一件事是
sudo apt-get install build-essential linux-headers-`uname -r`
然后我尝试安装奶酪，sudo apt-get install cheese但我认为它已经存在了，因为这是输出。
Reading package lists... Done
Building dependency tree
Reading state information... Done
cheese is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 322 not upgraded.
eric@eric:~$ sudo lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel …