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由于无法解析依赖项，无法更新 Ubuntu 20.04

tag-icon • tag-icon apt grub2 package-management dpkg dependencies
由于无法解析依赖项，无法更新 Ubuntu 20.04

我已经有一段时间没有使用我的 Ubuntu 安装，我刚刚打开它，当我尝试安装最新一轮更新时出现这个奇怪的错误：

无法解析软件包依赖关系

This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be installed at the same time.
Transaction failed: Package dependencies cannot be resolved
 The following packages have unmet dependencies:

grub-efi-amd64-signed: Depends: grub2-common (>= 2.02~beta2-36ubuntu3.31) but 2.04-1ubuntu26.11 is to be installed

这是一张图片

我有点难以理解。我应该grub2-common手动安装吗？因为那也行不通：

(base) ####@#####science-machine:~$ sudo apt-get install -y grub2-common.
[sudo] password for ####: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package grub2-common.
E: Couldn't find any package by glob 'grub2-common.'
E: Couldn't find any package by regex 'grub2-common.'

以下是需要安装的更新：

更新

我该怎么办？我是否应该忘掉它并且永远不再安装有问题的软件包？

谢谢。

答案1

尝试运行：

sudo apt update && sudo apt autoremove && sudo apt --fix-broken install && sudo apt upgrade

这将尝试：

  1. 更新软件包列表
  2. 自动删除不必要的包
  3. 修复所有损坏的安装和软件包
  4. 升级所有可以升级的软件包

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