Ubuntu20.04清华镜像错误

最新推荐文章于 2025-04-24 16:11:29 发布

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最新推荐文章于 2025-04-24 16:11:29 发布

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文章标签： ubuntu

本文链接：https://blog.youkuaiyun.com/m0_58745995/article/details/124103612

在将Ubuntu的软件源从官方更换为清华源后遇到问题，更新时显示错误。为了解决这个问题，建议改用阿里云的Ubuntu镜像源。参照阿里云提供的帮助文档，可以顺利切换并解决更新错误。

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Ubuntu软件源由官方源修改为清华源之后，执行

sudo apt update

显示

E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu focal 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.
E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu focal-updates 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.
E: The repository 'https://mirrors.tuna.tsinghua.edu.cn/ubuntu focal-backports 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 u