Use of packaged dotnet where available

[Wrong-Code]

In redoing #1461 to resolve the conflicts with the latest master branch, I have noticed that the Technitium DNS installation script relies always on the Microsoft's dotnet installation script.

I think it would be nicer if, on selected distributions at least, the logic in the install.sh script would take advantage of the officially packaged dotnet available for the platform. I have experience only with Debian and Alpine distros, where the latest version (and possibly the previous one) does offer indeed dotnet 10 as a standard package.

The immediate benefit would be that dotnet runtime management is smoother, including the automatic management of its updates.

[ShreyasZare]

Thanks for the suggestion. The MS script is being used since it will work for all distros without need for any kind of maintenance. For using distro specific package, I will have to firstly install all possible distros in a VM, test the script with it, and keep maintaining it regularly. Its a huge task for me with limited resources and takes away time from development. On the other hand, the current script works for any distro with systemd.

[Wrong-Code]

I perfectly understand your point, and thanks for the hard work.

Let me just add that in your script you already deal with the various distros and their package management tools to install the ICU package. Matter of fact, installing the ASP dotnet 10 package on both Debian and Alpine is all that is needed (the ICU and the basic dotnet 10 come for free as dependent packages).

[ShreyasZare]

ICU packages are installed by default on most distros, the current script includes this just in case its missing. The distro's package manager may or may not have the expected dotnet package for all platforms, so it requires testing. The script works for all distros for all supported hardware platforms.