Sudo rosdep init error: cannot download default

reason ： Because the link address cannot be found
First clone This project , Put it in home Under the table of contents
The rosdistro package in gitee: https://gitee.com/kbytes/rosdistro.git

open sudo gedit /etc/ros/rosdep/sources.list.d
Change the content to ：b For the changing

# os-specific listings first
yaml file:///home/b/rosdistro/rosdep/osx-homebrew.yaml osx

# generic
yaml file:///home/b/rosdistro/rosdep/base.yaml
yaml file:///home/b/rosdistro/rosdep/python.yaml
yaml file:///home/b/rosdistro/rosdep/ruby.yaml
gbpdistro file:///home/b/rosdistro/releases/fuerte.yaml fuerte

# newer distributions (Groovy, Hydro, ...) must not be listed anymore, they are being fetched from the rosdistro index.yaml instead

Re pass rosdep update You can see

reading in sources list data from /etc/ros/rosdep/sources.list.d
Hit file:///home/b/rosdistro/rosdep/osx-homebrew.yaml
Hit file:///home/b/rosdistro/rosdep/base.yaml
Hit file:///home/b/rosdistro/rosdep/python.yaml
Hit file:///home/b/rosdistro/rosdep/ruby.yaml
Hit file:///home/b/rosdistro/releases/fuerte.yaml
Query rosdistro index file:///home/b/rosdistro/index-v4.yaml
Skip end-of-life distro "ardent"
Skip end-of-life distro "bouncy"
Skip end-of-life distro "crystal"
Add distro "dashing"
Add distro "eloquent"
Add distro "foxy"
Skip end-of-life distro "groovy"
Skip end-of-life distro "hydro"
Skip end-of-life distro "indigo"
Skip end-of-life distro "jade"
Add distro "kinetic"
Skip end-of-life distro "lunar"
Add distro "melodic"
Add distro "noetic"
updated cache in /home/b/.ros/rosdep/sources.cache

Reference resources