scott@ksf16u:~$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Skylake Integrated Graphics (rev 06)
scott@ksf16u:~$ lspci | grep -i 3D
02:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...
// see: https://github.com/chadoe/docker-cleanup-volumes
$ docker volume rm $(docker volume ls -qf dangling=true)
$ docker volume ls -qf dangling=true | xargs -r docker volume rm