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sudo apt-get update 失败。无法解析“archiveubuntu.digital.local”

tag-icon • tag-icon apt 18.04 localrepository
sudo apt-get update 失败。无法解析“archiveubuntu.digital.local”

我在执行 sudo apt-get update 时遇到问题。我收到以下消息：

Hit:1 http://security.ubuntu.com/ubuntu bionic-security InRelease
Hit:2 http://package.perforce.com/apt/ubuntu trusty InRelease                  
Hit:3 http://packages.microsoft.com/repos/vscode stable InRelease              
Err:4 http://archiveubuntu.digital.local/ubuntu bionic InRelease               
Could not resolve ‘archiveubuntu.digital.local’
Err:5 http://archiveubuntu.digital.local/ubuntu bionic-updates InRelease
Could not resolve ‘archiveubuntu.digital.local’
Err:6 http://archiveubuntu.digital.local/ubuntu bionic-backports InRelease
Could not resolve ‘archiveubuntu.digital.local’
Reading package lists... Done
W: Failed to fetch http://archiveubuntu.digital.local/ubuntu/dists/bionic        /InRelease  Could not resolve ‘archiveubuntu.digital.local’
W: Failed to fetch http://archiveubuntu.digital.local/ubuntu/dists/bionic-     updates/InRelease  Could not resolve ‘archiveubuntu.digital.local’
W: Failed to fetch http://archiveubuntu.digital.local/ubuntu/dists/bionic-backports/InRelease  Could not resolve ‘archiveubuntu.digital.local’
W: Some index files failed to download. They have been ignored, or old ones used instead.

操作系统信息

>>> uname -a
Linux 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

我对 archiveubuntu.digital.local 是什么感到困惑。我该如何修复它？

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