ROSDEP UPDATE ROSDEP INIT解决方法

【机器人研习社-ROS专辑】ROSDEP UPDATE&ROSDEP INIT 问题的各种解决方法

最近新安装ROS，卡在rosdep update和rosdep init 上很久，以前的方法各种失效，各种尝试后终于解决了，在这里分享给大家。

操作系统：Ubuntu16.04/Ubuntu18.04/Ubuntu20.04
ROS版本：kinetic/melodic/noetic

1. rosdep init问题

首先打开一个终端

sudo mkdir -p /etc/ros/rosdep/sources.list.d
cd /etc/ros/rosdep/sources.list.d
sudo gedit 20-default.list

将以下内容复制进20-default.list文件中

# os-specific listings first
yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml osx
# generic
yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml
yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/python.yaml
yaml https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/ruby.yaml
gbpdistro https://raw.githubusercontent.com/ros/rosdistro/master/releases/fuerte.yaml fuerte
# newer distributions (Groovy, Hydro, ...) must not be listed anymore, they are being fetched from the rosdistro index.yaml instead
# newer distributions (Groovy, Hydro, ...) must not be listed anymore, they are being fetched from the rosdistro index.yaml instead

执行以下指令 rosdep update（一般会失败，请继续看下文

2. rosdep update 问题

方案1：https://ghproxy.com /代理模式

方案2：本地模式-将rosdistro clone到本地

最近在国内上github越来越难，国内https://raw.githubusercontent.com的可用IP越来越少，通过修改hosts文件解决rosdep update超时问题的方法已经没法再用。

操作系统：

->Ubuntu16.04/Ubuntu18.04/Ubuntu20.04
-> ROS版本：kinetic/melodic/noetic

Error

ERROR: unable to process source [https://raw.githubusercontent.com/ros/rosdistro/master/releases/fuerte.yaml]:
  Failed to download target platform data for gbpdistro:
  The read operation timed out
Query rosdistro index https://ghproxy.com/https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml

updated cache in /home/ricky/.ros/rosdep/sources.cache
ERROR: Not all sources were able to be updated.

方案1&#