El paquete 'dotnet-sdk-7.0' no tiene candidato de instalación en Xubuntu/Ubuntu 22.04

El paquete 'dotnet-sdk-7.0' no tiene candidato de instalación en Xubuntu/Ubuntu 22.04

Seguí las instrucciones deaquípara instalar .NET 7 SDK después de haber instalado .NET 6 SDK desde el feed de Ubuntu.

wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
rm packages-microsoft-prod.deb

sudo apt-get update && sudo apt-get install dotnet-sdk-7.0da como resultado este error:

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package dotnet-sdk-7.0 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'dotnet-sdk-7.0' has no installation candidate

sudo apt show dotnet-sdk-7.0 -aresulta en esto:

Package: dotnet-sdk-7.0
Version: 7.0.102-1
Priority: standard
Section: devel
Maintainer: Microsoft <[email protected]>
Installed-Size: 358 MB
Depends: aspnetcore-targeting-pack-7.0 (>= 7.0.2), netstandard-targeting-pack-2.1 (>= 2.1.0), dotnet-apphost-pack-7.0 (>= 7.0.2), dotnet-runtime-7.0 (>= 7.0.2), dotnet-targeting-pack-7.0 (>= 7.0.2), aspnetcore-runtime-7.0 (>= 7.0.2)
Homepage: https://github.com/dotnet/core
Download-Size: 90,6 MB
APT-Sources: https://packages.microsoft.com/ubuntu/22.04/prod jammy/main amd64 Packages
Description: Microsoft .NET SDK 7.0.102
 .NET is a development platform that you can use to build command-line applications, microservices and modern websites. 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/dotnet/core). We happily accept issues and PRs.

Package: dotnet-sdk-7.0
Version: 7.0.101-1
Priority: standard
Section: devel
Maintainer: Microsoft <[email protected]>
Installed-Size: 358 MB
Depends: aspnetcore-targeting-pack-7.0 (>= 7.0.1), netstandard-targeting-pack-2.1 (>= 2.1.0), dotnet-apphost-pack-7.0 (>= 7.0.1), dotnet-runtime-7.0 (>= 7.0.1), dotnet-targeting-pack-7.0 (>= 7.0.1), aspnetcore-runtime-7.0 (>= 7.0.1)
Homepage: https://github.com/dotnet/core
Download-Size: 90,6 MB
APT-Sources: https://packages.microsoft.com/ubuntu/22.04/prod jammy/main amd64 Packages
Description: Microsoft .NET SDK 7.0.101
 .NET is a development platform that you can use to build command-line applications, microservices and modern websites. 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/dotnet/core). We happily accept issues and PRs.

Package: dotnet-sdk-7.0
Version: 7.0.100-1
Priority: standard
Section: devel
Maintainer: Microsoft <[email protected]>
Installed-Size: 352 MB
Depends: aspnetcore-targeting-pack-7.0 (>= 7.0.0), netstandard-targeting-pack-2.1 (>= 2.1.0), dotnet-apphost-pack-7.0 (>= 7.0.0), dotnet-runtime-7.0 (>= 7.0.0), dotnet-targeting-pack-7.0 (>= 7.0.0), aspnetcore-runtime-7.0 (>= 7.0.0)
Homepage: https://github.com/dotnet/core
Download-Size: 88,4 MB
APT-Sources: https://packages.microsoft.com/ubuntu/22.04/prod jammy/main amd64 Packages
Description: Microsoft .NET SDK 7.0.100
 .NET is a development platform that you can use to build command-line applications, microservices and modern websites. 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/dotnet/core). We happily accept issues and PRs.

También lo intentéapt-get upgrade

/etc/apt/sources.list.d/microsoft-prod.listcontiene esto:

deb [arch=amd64,arm64,armhf] https://packages.microsoft.com/ubuntu/22.04/prod jammy main

apt policy dotnet-sdk-7.0muestra:

dotnet-sdk-7.0:
  Installed: (none)
  Candidate: (none)
  Version table:
     7.0.102-1 -10
        500 https://packages.microsoft.com/ubuntu/22.04/prod jammy/main amd64 Packages
     7.0.101-1 -10
        500 https://packages.microsoft.com/ubuntu/22.04/prod jammy/main amd64 Packages
     7.0.100-1 -10
        500 https://packages.microsoft.com/ubuntu/22.04/prod jammy/main amd64 Packages

Podría hacer funcionar la instalación del SDK de .NET 7 agregando el archivo /etc/apt/preferencescomo se describeaquí:

Package: dotnet-sdk-7.0
Pin: origin "packages.microsoft.com"
Pin-Priority: 999

Pero .NET 6 SDK dejó de funcionar.

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