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运行 sudo apt update 时出现 403 错误

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运行 sudo apt update 时出现 403 错误

我是 Linux 新手。我正在尝试更新 Ubuntu (4.15.0-153)。当我运行时sudo apt-get update，出现以下错误：

Err:1 http://sg.archive.ubuntu.com/ubuntu bionic InRelease
403 Forbidden [IP: 202.79.184.254 80]
Err:2 http://sg.archive.ubuntu.com/ubuntu bionic-updates InRelease
403 Forbidden [IP: 202.79.184.254 80]
Err:3 http://sg.archive.ubuntu.com/ubuntu bionic-backports InRelease
403 Forbidden [IP: 202.79.184.254 80]
Err:4 http://sg.archive.ubuntu.com/ubuntu bionic-security InRelease
403 Forbidden [IP: 202.79.184.254 80]
Reading package lists... Done
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://sg.archive.ubuntu.com/ubuntu bionic InRelease' is no longer signed.
E: Failed to fetch http://sg.archive.ubuntu.com/ubuntu/dists/bionic/InRelease 403 Forbidden [IP: 202.79.184.254 80]
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://sg.archive.ubuntu.com/ubuntu bionic-updates InRelease' is no longer signed.
E: Failed to fetch http://sg.archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease 403 Forbidden [IP: 202.79.184.254 80]
E: Failed to fetch http://sg.archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease 403 Forbidden [IP: 202.79.184.254 80]
E: The repository 'http://sg.archive.ubuntu.com/ubuntu bionic-backports InRelease' is no longer signed.
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: Failed to fetch http://sg.archive.ubuntu.com/ubuntu/dists/bionic-security/InRelease 403 Forbidden [IP: 202.79.184.254 80]
E: The repository 'http://sg.archive.ubuntu.com/ubuntu bionic-security InRelease' is no longer signed.
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.

答案1

尝试从 Ubuntu 软件下的软件和更新设置中更改下载服务器。我这样做了，问题解决了。

答案2

对我来说，这是新加坡服务器“download.nus.edu/mirror/ubuntu”的问题。

正如@KorbanProyek 提到的，通过以下方式更改下载服务器：

  • 打开软件和更新
  • 打开下载自
  • 滚动到新加坡
  • 选择（例如）第二个条目

答案3

您可以尝试将下载位置切换至主服务器，而不是新加坡服务器。然后再次执行 sudo apt-get update。

在此处输入图片描述

来源：

Ubuntu 22.04 上的“apt update”失败，出现“403 Forbidden”错误

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