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linux - 在 Ubuntu 16.04 上执行 sudo apt-get update 命令后出现以下错误

转载 作者:行者123 更新时间:2023-12-01 19:35:08 25 4
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我对 Linux 命令一无所知,但我忍不住要问为什么在命令 sudo apt-get update 之后会出现这样的错误。 :

W: The repository 'http://ppa.launchpad.net/bumblebee/stable/ubuntu xenial Release' does not have a Release file.

N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.

N: See apt-secure(8) manpage for repository creation and user configuration details.

W: The repository 'http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu xenial Release' does not have a Release file.

N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.

N: See apt-secure(8) manpage for repository creation and user configuration details.

W: GPG error: http://ppa.launchpad.net/umang/indicator-stickynotes/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 799A5FD5D1C5997F

W: The repository 'http://ppa.launchpad.net/umang/indicator-stickynotes/ubuntu xenial InRelease' is not signed.

N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.

N: See apt-secure(8) manpage for repository creation and user configuration details.

E: Failed to fetch http://ppa.launchpad.net/bumblebee/stable/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found

E: Failed to fetch http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.



我想知道以下错误究竟是怎么回事。一个解释对我很有帮助。

最佳答案

我按照以下步骤解决了这个错误:

打开软件更新应用程序;
- 在“其他软件”选项卡中取消标记所有选项;
- 在 Ubuntu 软件选项卡中,“下载自:”选择“主服务器”选项。

单击“关闭”按钮并等待一分钟,直到 ubuntu 重新加载 apt-get。

完毕。

关于linux - 在 Ubuntu 16.04 上执行 sudo apt-get update 命令后出现以下错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41244349/

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