sudo apt remove 'dotnet*'sudo apt remove 'aspnetcore*'
sudo touch /etc/apt/preferences.d/dotnet.pref
Package: *Pin: origin "packages.microsoft.com"Pin-Priority: 1001
sudo apt updatesudo apt install dotnet-sdk-6.0
$ dotnet --list-sdks6.0.400 [/usr/share/dotnet/sdk]