GPU-Accelerated Remote Desktop on Linux from macOS - the Hard Way

What started as “just set up RDP” turned into an all day rabbit hole about how Linux remote desktop actually works, why most of it doesn’t work with NVIDIA on ARM64, and what it actually takes to get GPU-accelerated H264 encoding over RDP from an Ubuntu machine to a Mac. What I was trying to do I have two ASUS Ascent GX10 machines running Ubuntu 24.04. They are ARM64 systems built around th...