Err:1 http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu xxxxxx 404 Not Found [IP: 101.6.8.193 80]

原创最新推荐文章于 2026-08-20 18:44:29 发布 2.5k 阅读 AI写同款

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Ubuntu 18.04国内源apt-get update报404的一种可能错误问题：如下，apt-get update下不下来。 $ sudo apt-get update Ign:1 http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu bionic InRelease Hit:2 http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu bionic Release Get:3 http://mirrors.aliyun.com/ubuntu bionic InRelease [242 kB] Ge. 阅读详情

AI摘要

在Ubuntu上安装ROS Melodic TEB Local Planner时遇到签名验证错误，原因是DNS解析问题。通过修改DNS，添加北京联通DNS并更新系统，然后执行apt-key更新并重新尝试安装，最终成功安装软件包。

使用sudo apt-get install ros-melodic-teb-local-planner
安装软件，报这个错，搜到的解决方法用不了
后面发现是镜像源里面有这个文件，前面的都对，就上传日期的那个后缀不对导致找不到安装的包
经过搜所，发现是DNS解析有问题

解决方法：
首先改DNS https://note.qidong.name/2020/05/resolvconf/
修改 /etc/resolv.conf文件添加 202.106.0.20
这个是北京联通的然后执行sudo apt-get update
会有

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu bionic Release: The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics <info@osrfoundation.org>
W: Failed to fetch http://mirrors.tuna.tsinghua.edu.cn/ros/ubuntu/dists/bionic/Release.gpg  The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics <info@osrfoundation.org>
W: Some index files failed to download. They have been ignored, or old ones used instead.