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APT - 無法找到套件（aspnetcore/dotnet 運行時、Ubuntu）

tag-icon • tag-icon linux ubuntu apt asp.net ubuntu-20.04
APT - 無法找到套件（aspnetcore/dotnet 運行時、Ubuntu）

我正在嘗試安裝 aspnetcore-runtime-3.1 軟體包，我已新增 microsoft 軟體包簽署金鑰

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給出了錯誤：

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

使用 apt search 搜尋該包顯示該包確實存在：

$ 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

我已嘗試了上面列出的故障排除步驟微軟文件:

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

兩者都給出相同的錯誤。我特別困惑，因為由於顯示在apt search?中，該軟體包顯然可用。

答案1

根據文件:

:~# 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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