Client: macOS 14.3 / NoMachine free edition 8.11.3
Server: (Headless) Ubuntu 22.04 (Kernel 6.5.0-1014) / NoMachine free edition 8.11.3 / Nvidia Tesla T4 GPU
On the Connection tab is says “Encoding: SW encoding, H.264”. There are other applications such as Xorg that are using the GPU as I can see via nvidia-smi
.
find /usr/lb -name 'nvidia-encode.so' -o -name 'libcuda.so' 2>/dev/null
reports
/usr/lib/x86_64-linux-gnu/libcuda.so
/usr/lib/x86_64-linux-gnu/libcuda.so.1
/usr/lib/x86_64-linux-gnu/libnvidia-encode.so.1
/usr/lib/x86_64-linux-gnu/libnvidia-encode.so.545.29.06
/usr/lib/x86_64-linux-gnu/libcuda.so.545.29.06
/usr/lib/x86_64-linux-gnu/libnvidia-encode.so