Да и файла /dev/video0 нет.
вот еще что получил:
[stas@comp-pentium-cpu-af82bc ~]$ dmesg
...........................................................................
[ 14.140357] usb 3-1.1: New USB device found, idVendor=0bda, idProduct=0138
[ 14.140369] usb 3-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 14.140376] usb 3-1.1: Product: USB2.0-CRW
[ 14.140381] usb 3-1.1: Manufacturer: Generic
[ 14.140386] usb 3-1.1: SerialNumber: 20090516388200000
[ 14.217490] usb 3-1.3: new high-speed USB device number 4 using ehci-pci
[ 14.437594] usb 3-1.3: New USB device found, idVendor=04ca, idProduct=7008
[ 14.437606] usb 3-1.3: New USB device strings: Mfr=3, Product=1, SerialNumber=0
[ 14.437613] usb 3-1.3: Product: TOSHIBA Web Camera
[ 14.437618] usb 3-1.3: Manufacturer: 0420-00C40TBC3E3KL
.............................................................................
[stas@comp-pentium-cpu-af82bc ~]$ /usr/sbin/lsusb
Bus 001 Device 002: ID 0930:021d Toshiba Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 004: ID 04ca:7008 Lite-On Technology Corp.
Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub