apt update：存储库不再有 Release 文件

Question

我安装了一些 Ubuntu Server 20.04，但仅其中之一会发生以下情况：

sudo apt update
... password
Hit:1 http://repo.mysql.com/apt/ubuntu groovy InRelease
Ign:2 http://pe.archive.ubuntu.com/ubuntu groovy InRelease
Ign:3 http://pe.archive.ubuntu.com/ubuntu groovy-updates InRelease
Hit:4 http://apt.postgresql.org/pub/repos/apt groovy-pgdg InRelease
Ign:5 http://pe.archive.ubuntu.com/ubuntu groovy-backports InRelease
Ign:6 http://pe.archive.ubuntu.com/ubuntu groovy-security InRelease
Err:7 http://pe.archive.ubuntu.com/ubuntu groovy Release
  404  Not Found [IP: 200.236.31.4 80]
Err:8 http://pe.archive.ubuntu.com/ubuntu groovy-updates Release
  404  Not Found [IP: 200.236.31.4 80]
Err:9 http://pe.archive.ubuntu.com/ubuntu groovy-backports Release
  404  Not Found [IP: 200.236.31.4 80]
Err:10 http://pe.archive.ubuntu.com/ubuntu groovy-security Release
  404  Not Found [IP: 200.236.31.4 80]
Reading package lists... Done
E: The repository 'http://pe.archive.ubuntu.com/ubuntu groovy Release' no longer has 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 'http://pe.archive.ubuntu.com/ubuntu groovy-updates Release' no longer has 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 'http://pe.archive.ubuntu.com/ubuntu groovy-backports Release' no longer has 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 'http://pe.archive.ubuntu.com/ubuntu groovy-security Release' no longer has 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.

这是怎么回事？以及如何解决？

Answer 1

就我而言，我的服务器上运行着多个 Ubuntu 20.10 Docker 映像。由于 Ubuntu 20.10 被弃用，所有 PPA 版本都消失了。
我通过部署 Ubuntu 20.04 映像并更新该版本的软件包来解决这个问题。我计划在 22.04 发布新镜像后部署新镜像。

根据经验，即使有可能，也不建议尝试降级计算机上的软件包和 PPA。

虽然这通常与如果存储库/PPA 没有发布文件我该怎么办？，这是特定于 Ubuntu 以通常意想不到的方式弃用版本的情况。