s390x>bash dotnet-install.sh 
dotnet-install: Attempting to download using primary link https://builds.dotnet.microsoft.com/dotnet/Sdk/8.0.411/dotnet-sdk-8.0.411-linux-s390x.tar.gz
--2025-06-18 10:11:53--  https://builds.dotnet.microsoft.com/dotnet/Sdk/8.0.411/dotnet-sdk-8.0.411-linux-s390x.tar.gz
Resolving builds.dotnet.microsoft.com (builds.dotnet.microsoft.com)... 2.16.183.225, 2.16.183.232, 2a02:26f0:b700:9::210:ce07, ...
Connecting to builds.dotnet.microsoft.com (builds.dotnet.microsoft.com)|2.16.183.225|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2025-06-18 10:11:55 ERROR 404: Not Found.

dotnet-install: The resource at primary link 'https://builds.dotnet.microsoft.com/dotnet/Sdk/8.0.411/dotnet-sdk-8.0.411-linux-s390x.tar.gz' is not available.
dotnet_install: Error: Could not find `.NET Core SDK` with version = 8.0.411
dotnet_install: Error: Refer to: https://aka.ms/dotnet-os-lifecycle for information on .NET Core support

docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
docker run --platform linux/s390x --rm -it s390x/ubuntu:24.04
$ apt update && apt install -y wget 
$ wget https://dot.net/v1/dotnet-install.sh
$ bash dotnet-install.sh