miao@openlib:~$ sudo rosdep init
ERROR: cannot download default sources list from:
https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/sources.list.d/20-default.list
Website may be down.

 

在/etc/hosts 中添加

151.101.84.133 raw.githubusercontent.com

即可

https://blog.csdn.net/qq_44830040/article/details/106049992