工程建设信息网站什么域名不用备案
文章目录
- 硬件问题
- 一、查看虚拟机摄像头连接情况
- 二、解决红色报错
- 三、虚拟机硬件处理
- 内容问题
- 一、设备号
- 二、视频格式问题
硬件问题
一、查看虚拟机摄像头连接情况
报错详情
ERROR: cannot launch node of type [image_view/image_view]: image_view
ROS path [0]=/opt/ros/melodic/share/ros
ROS path [1]=/home/ubantu/racecar_ws/src
ROS path [2]=/opt/ros/melodic/share[ERROR] [1636359179.072371227]: Cannot identify '/dev/video0': 2, No such file or directory
[usb_cam-2] process has died [pid 3531, exit code 1, cmd /opt/ros/melodic/lib/usb_cam/usb_cam_node __name:=usb_cam __log:=/home/ubantu/.ros/log/adf22956-406b-11ec-8e9d-000c29e78502/usb_cam-2.log].
log file: /home/ubantu/.ros/log/adf22