Installing .NET 10 on Linux Mint 22.2

I had some adventures getting .NET 10 installed and working on Linux Mint and thought I'd share the solution that worked for me.

Some Background

I was easily able to install the .NET 9 SDK through APT. I think this is why I later had problems with .NET 10. When I would run the dotnet --list-sdks command which lists the .NET SDKs available on your system, it would only display 9.0.112 which I believe is the version installed.

Linux Mint and its repositories don't have .NET 10 so in order to use it, I would have to resort to other methods. The one most recommended was the scripted install. I followed the instructions and it installed without errors, but when I listed the SDKs, .NET 9 remained the only version available. I was a little frustrated.

The one thing I did note was when it displayed the SDK version, despite the install script installing .NET 10 to ~/.dotnet, the .NET 9 SDK version listed /usr/lib/dotnet/sdk as the install location.

The Fix

Digging into the install script documentation, I found that you could specify the install directory. So I decided to try to tell the install script to install to the same directory .NET 9 listed. Because I was installing outside my home directory, I did have to use sudo to elevate my permissions.

> sudo ./dotnet-install.sh --channel LTS --install-dir /usr/lib/dotnet/

Turns out this did the trick. I'm not sure if it's the "correct" way, but my system now recognizes .NET 10 as a valid SDK and I can get back to development.