mxgun@mxgun-master:~$ sudo apt update
[sudo] password for mxgun:
Ign:1 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu focal InRelease
Hit:2 http://archive.canonical.com/ubuntu focal InRelease
Hit:3 http://archive.ubuntu.com/ubuntu focal InRelease
Err:4 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu focal Release
404 Not Found [IP: 91.189.95.83 80]
Hit:5 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Get:6 http://archive.ubuntu.com/ubuntu focal-backports InRelease [98.3 kB]
Get:7 http://archive.ubuntu.com/ubuntu focal-security InRelease [107 kB]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu focal 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.
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Translations (universe/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11 (universe/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11-icons-small (universe/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11-icons-hidpi (universe/dep11/[email protected]) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11-icons-hidpi (main/dep11/[email protected]) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Translations (universe/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11 (universe/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11-icons-small (universe/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11-icons-hidpi (universe/dep11/[email protected]) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Translations (universe/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11 (universe/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11-icons-small (universe/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target DEP-11-icons-hidpi (universe/dep11/[email protected]) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:16 and /etc/apt/sources.list:57
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11 (main/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11 (main/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11-icons-small (main/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target DEP-11-icons-hidpi (main/dep11/[email protected]) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target CNF (main/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:46 and /etc/apt/sources.list:60
W: Target Packages (universe/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Packages (universe/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Translations (universe/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target Translations (universe/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11 (universe/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11 (universe/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11-icons-small (universe/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11-icons (universe/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target DEP-11-icons-hidpi (universe/dep11/[email protected]) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target CNF (universe/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:60
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:48 and /etc/apt/sources.list:6
答案1
删除中的重复行/etc/apt/sources.list。
答案2
尝试使用apt-get而不是apt：
sudo apt-get update
还可以尝试使用upgrade：update
sudo apt-get upgrade
该update命令会下载软件包文件，但实际上并不应用它们。您必须使用upgradeafter。然后升级命令会应用下载的更新软件包。确保同时执行这两项操作。