22 sudo rosdep init #失败 23 sudo -E rosdep init #查看错误 24 ls 25 wget https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/sources.list.d/20-default.list #查看链接 26 sudo -E rosdep init # 执行成功 27 sudo -E rosdep update #delete 28 rosdep update 29 sudo -E rosdep fix-permissions 30 rosdep update
原文：https://www.cnblogs.com/zengjianrong/p/12820955.html