could not select device driver "" with capabilities: [[gpu]].

Thanks for your reply, bkakilli. I went through that description but it’s for Ubuntu 18.04. So when I got to…

“curl -s -L https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.list | sudo tee /etc/apt/sources.list.d/nvidia-docker.list”

…it errors out with…

Unsupported distribution!

Check Migration Notice | nvidia-docker

Just did a search on that and found that forcing 18.04 version should work (Workstation Setup for Docker with the New NVIDIA Container Toolkit (nvidia-docker2 is deprecated) | Puget Systems). Went through all steps described and it seems OK.