Your Ubuntu won’t launch after installation? I have at least 3 solutions that I personally used to solve the problem.
Troobleshooting
[SOLVED] Deterministic compilation failed. You can disable Deterministic builds in Player Settings…
How to resolve the error on Unity 3d: Deterministic compilation failed. You can disable Deterministic builds in Player Settings…
[SOLVED] DX12 is not supported on your system. Try running without the -dx12 or -d3d12 command line argument
Fix for “ DX12 is not supported on your system ” error that can happen to any PC game.