・カメラ認識確認

[root@alma]# lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 174c:2074 ASMedia Technology Inc. ASM1074 High-Speed hub
Bus 001 Device 003: ID 1ea7:0066 SHARKOON Technologies GmbH [Mediatrack Edge Mini Keyboard]
Bus 001 Device 004: ID 2a7a:6a08 U
Bus 001 Device 005: ID 26ce:01a2 ASRock LED Controller
Bus 001 Device 006: ID 056e:701b Elecom Co., Ltd ELECOM 5MP Webcam※USBカメラ認識確認
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 174c:3074 ASMedia Technology Inc. ASM1074 SuperSpeed hub

・ビデオデバイス確認

[root@alma]# /dev/video*
-bash: /dev/video0: Permission denied※/dev/video0 を確認