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无法更新 Ubuntu

tag-icon • tag-icon apt updates ppa
无法更新 Ubuntu

我对 Ubuntu 还很陌生，在尝试使用更新命令时遇到了这个错误。有人能帮我解决这个问题吗？

谢谢你！

~$ sudo apt-get update
[sudo] password for alastair: 
Ign:1 http://ppa.launchpad.net/nvbn-rm/ppa/ubuntu bionic InRelease
Hit:2 http://security.ubuntu.com/ubuntu bionic-security InRelease              
Hit:3 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu bionic InRelease
Err:4 http://ppa.launchpad.net/nvbn-rm/ppa/ubuntu bionic Release               
  404  Not Found [IP: 91.189.95.83 80]
Hit:5 http://gb.archive.ubuntu.com/ubuntu bionic InRelease                     
Hit:6 http://gb.archive.ubuntu.com/ubuntu bionic-updates InRelease       
Hit:7 http://gb.archive.ubuntu.com/ubuntu bionic-backports InRelease     
Hit:8 http://archive.canonical.com/ubuntu bionic InRelease
Reading package lists... Done                      
E: The repository 'http://ppa.launchpad.net/nvbn-rm/ppa/ubuntu bionic 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.

答案1

我已删除了启动板链接软件和更新按照此链接：如何删除存储库？目前看来，这一举措已经发挥了作用。

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