Unable to access camera rpi module v2 in headless mode with jetson nano, x11 forwarding is happening,but error prevails

python3 simple_camera.py
nvarguscamerasrc sensor-id=0 ! video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, framerate=(fraction)30/1 ! nvvidconv flip-method=0 ! video/x-raw, width=(int)960, height=(int)540, format=(string)BGRx ! videoconvert ! video/x-raw, format=(string)BGR ! appsink
Error: Unable to open camera

Do you try gst-lauhcn-1.0 instead of python?

sudo xinit&
export DISPLAY=:0
gst-launch-1.0 nvarguscamerasrc ! 'video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080' ! nvvidconv ! fpsdisplaysink video-sink=fakesink -v