我对 Linux 桌面还不太熟悉，在存储库方面遇到了一些问题。每当我尝试更新时，都会收到一堆与存储库中的公钥相关的错误。我看到过类似的问题，但都没有完全解决我的问题。`
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://ppa.launchpadcontent.net/papirus/papirus/ubuntu lunar InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E58A9D36647CAE7F
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://ppa.launchpadcontent.net/kubuntu-ppa/backports/ubuntu lunar InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2836CB0A8AC93F7A
E: The repository 'https://ppa.launchpadcontent.net/webupd8team/y-ppa-manager/ubuntu lunar 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.
我处理这个问题的方法是按照这个网站上的“快捷方式”https://www.omgubuntu.co.uk/2022/06/fix-apt-key-deprecation-error-on-ubuntu