存储库没有发布文件&错误 [英] "Repository does not have a release file" error

问题描述

我正在尝试在Ubuntu上安装ROS。我收到此错误：

   sudo apt-get update
Hit:1 http://pk.archive.ubuntu.com/ubuntu cosmic InRelease
    Hit:2 http://pk.archive.ubuntu.com/ubuntu cosmic-updates InRelease
    Hit:3 http://pk.archive.ubuntu.com/ubuntu cosmic-backports InRelease
    Get:4 http://security.ubuntu.com/ubuntu cosmic-security InRelease [83.2 kB]
    Ign:5 http://packages.ros.org/ros/ubuntu cosmic InRelease Err:6 http://packages.ros.org/ros/ubuntu cosmic Release 404 Not Found [IP: 64.50.236.52 80] Reading package lists... Done
    E: The repository 'http://packages.ros.org/ros/ubuntu cosmic Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details.

推荐答案

您需要将存储库目标更新到Ubuntu的Eoan Ermine(19.10)版本。可以这样做：

sudo sed -i -e 's|disco|eoan|g' /etc/apt/sources.list
sudo apt update

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