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我在更新我的 kali Linux 系统时遇到问题，下面是输出

tag-icon • tag-icon kali-linux
我在更新我的 kali Linux 系统时遇到问题，下面是输出 
─# apt-get update                                                      100 ⨯
Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease
Ign:2 http://ppa.launchpad.net/cybermax-dexter/sdl2-backport/ubuntu impish InRelease
Err:4 http://ppa.launchpad.net/cybermax-dexter/sdl2-backport/ubuntu impish Release
  404  Not Found [IP: 91.189.95.85 80]
Hit:3 http://kali.download/kali kali-rolling InRelease
Reading package lists... Done                    
E: The repository 'http://ppa.launchpad.net/cybermax-dexter/sdl2-backport/ubuntu impish 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

您正在使用非 Kali 存储库，这可能已对您的 Kali 系统造成不可挽回的损坏。请阅读

您可以尝试使用以下命令修复此情况，这会将您的存储库集合重置回标准集。但是，根据您从非 Kali 存储库安装的内容，您可能仍然存在无法解决的包冲突

find /etc/apt/sources.list* -type f -name '*.list' -exec mv -f {} {}.old \;
echo 'deb http://http.kali.org/kali kali-rolling main non-free contrib' >/etc/apt/sources.list

apt-get update

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