ubuntu18.04/Ubuntu20.04安装ROS2-Galactic过程遇到的问题 “gpg: no valid OpenPGP data found.”
二进制安装参考:https://index.ros.org/doc/ros2/Installation/Dashing/Linux-Install-Debians/在执行这一步时:curl-shttps://raw.githubusercontent.com/ros/rosdistro/master/ros.asc|sudoapt-keyadd-出现错误:curl-shttps://raw.git