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APT - 无法找到包（aspnetcore/dotnet 运行时，Ubuntu）

tag-icon • tag-icon linux ubuntu apt asp.net ubuntu-20.04
APT - 无法找到包（aspnetcore/dotnet 运行时，Ubuntu）

我正在尝试安装 aspnetcore-runtime-3.1 包，我已使用以下命令添加了 Microsoft 包签名密钥

wget https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb

但是，sudo apt install aspnetcore-runtime-3.1出现错误：

Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package aspnetcore-runtime-3.1

使用 apt search 搜索该包表明该包确实存在：

$ sudo apt search aspnetcore
Sorting... Done
Full Text Search... Done
aspnetcore-runtime-2.1/focal 2.1.20-1 amd64
  Microsoft ASP.NET Core 2.1.20 Shared Framework

aspnetcore-runtime-3.1/focal 3.1.6-1 amd64
  Shared Framework for hosting of Microsoft ASP.NET Core applications. It is open source, cross-platform and is supported by Microsoft. We hope you enjoy using it! If you do, please consider joining the active community of developers that are contributing to the project on GitHub (https://github.com/aspnet/AspNetCore). We happily accept issues and PRs.

aspnetcore-targeting-pack-3.1/focal 3.1.3-1 amd64
  Shared Framework for hosting of Microsoft ASP.NET Core applications. It is open source, cross-platform and is supported by Microsoft. We hope you enjoy using it! If you do, please consider joining the active community of developers that are contributing to the project on GitHub (https://github.com/aspnet/AspNetCore). We happily accept issues and PRs

我已尝试Microsoft 文档：

sudo dpkg --purge packages-microsoft-prod && sudo dpkg -i packages-microsoft-prod.deb
sudo apt-get update
sudo apt-get install aspnetcore-runtime-3.1

和

sudo apt-get install -y gpg
wget -O - https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor -o microsoft.asc.gpg
sudo mv microsoft.asc.gpg /etc/apt/trusted.gpg.d/
wget https://packages.microsoft.com/config/ubuntu/20.04/prod.list
sudo mv prod.list /etc/apt/sources.list.d/microsoft-prod.list
sudo chown root:root /etc/apt/trusted.gpg.d/microsoft.asc.gpg
sudo chown root:root /etc/apt/sources.list.d/microsoft-prod.list
sudo apt-get update; \
  sudo apt-get install -y apt-transport-https && \
  sudo apt-get update && \
  sudo apt-get install -y aspnetcore-runtime-3.1

两者都给出了相同的错误。我特别困惑，因为该包显然可用，因为它显示在apt search？

答案1

根据文档：

:~# cd $HOME
:~# wget https://download.visualstudio.microsoft.com/download/pr/dffd493f-9eb8-483f-81c7-a9e2201574ef/54e7464241e01e7031fd89e6fe88e6da/aspnetcore-runtime-3.1.9-linux-arm64.tar.gz

:~# mkdir -p $HOME/dotnet && tar zxf dotnet.tar.gz -C $HOME/dotnet
:~# export PATH=$PATH:$HOME/dotnet

:~# dotnet --info
  It was not possible to find any installed .NET Core SDKs
  Did you mean to run .NET Core SDK commands? Install a .NET Core SDK from:
      https://aka.ms/dotnet-download

Host (useful for support):
  Version: 3.1.9
  Commit:  774fc3d6a9

.NET Core SDKs installed:
  No SDKs were found.

.NET Core runtimes installed:
  Microsoft.AspNetCore.App 3.1.9 [/root/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 3.1.9 [/root/dotnet/shared/Microsoft.NETCore.App]

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