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无法获取 - 安装错误

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无法获取 - 安装错误

我正在尝试进行更新和安装，但不断收到以下错误：

错误：1http://security.ubuntu.com/ubuntu仿生安全/宇宙 amd64 cpp-8 amd64 8.3.0-6ubuntu1~18.04.1

我需要做什么来纠正这些错误？

以下是完整的尝试：

sudo apt install gcc-8
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  cpp-8 gcc-10-base gcc-9-base libasan5 libgcc-8-dev libgcc-s1 libubsan1
Suggested packages:
  gcc-8-locales gcc-8-multilib gcc-8-doc libgcc1-dbg libgomp1-dbg libitm1-dbg libatomic1-dbg libasan5-dbg liblsan0-dbg libtsan0-dbg libubsan1-dbg
  libmpx2-dbg libquadmath0-dbg
The following NEW packages will be installed:
  cpp-8 gcc-10-base gcc-8 gcc-9-base libasan5 libgcc-8-dev libgcc-s1 libubsan1
0 upgraded, 8 newly installed, 0 to remove and 13 not upgraded.
Need to get 21.0 MB/21.6 MB of archives.
After this operation, 72.2 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Err:1 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 cpp-8 amd64 8.3.0-6ubuntu1~18.04.1
  404  Not Found [IP: 91.189.88.142 80]
Err:2 http://security.ubuntu.com/ubuntu bionic-security/main amd64 libgcc-8-dev amd64 8.3.0-6ubuntu1~18.04.1
  404  Not Found [IP: 91.189.88.142 80]
Err:3 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 gcc-8 amd64 8.3.0-6ubuntu1~18.04.1
  404  Not Found [IP: 91.189.88.142 80]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/universe/g/gcc-8/cpp-8_8.3.0-6ubuntu1~18.04.1_amd64.deb  404  Not Found [IP: 91.189.88.142 80]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/g/gcc-8/libgcc-8-dev_8.3.0-6ubuntu1~18.04.1_amd64.deb  404  Not Found [IP: 91.189.88.142 80]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/universe/g/gcc-8/gcc-8_8.3.0-6ubuntu1~18.04.1_amd64.deb  404  Not Found [IP: 91.189.88.142 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing
____________________________________________________________________________________

滚轮也不起作用，但我不知道这是否与这个问题有关。

谢谢

答案1

正如 APT 所说，404 not found这意味着存储库信息已过时。您可以通过在终端上发出此命令轻松解决此问题：

sudo apt update

现在重试安装您的包，安装过程将会很顺利。

答案2

您需要在sudo apt update安装之前执行以下命令来更新存储库数据。即：

  1. sudo apt update。
  2. sudo apt install gcc-8。

或者，你也可以直接运行：

sudo apt update && sudo apt install gcc-8

笔记：在任何安装之前始终执行更新是一种很好的做法。

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