ROS：
https://wiki.ros.org/melodic/Installation/Ubuntu
PCL
https://pointclouds.org/downloads/#linux
タイムアウトを解決する (方法 2 を使用)
https://b23.tv/gFY0gA
https://blog.csdn.net/qq_36814762/article/details/109637798
https://blog.csdn.net/nobody258/article/details/117623078
https://cloud.tencent.com/developer/article/1690758