/JetsonNotes

JetsonNotes

chrome install

sudo snap install chromium

OR

sudo apt-get install chromium-browser

jtop install

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install python3-pip
sudo -H pip3 install -U jetson-stats

sudo reboot
jtop

image

CUDA supported OpenCV install

check the link

check the link

$ wget https://github.com/Qengineering/Install-OpenCV-Jetson-Nano/raw/main/OpenCV-4-10-0.sh
$ sudo chmod 755 ./OpenCV-4-10-0.sh
$ ./OpenCV-4-10-0.sh
# once the installation is done...
$ rm OpenCV-4-10-0.sh
# just a tip to save an additional 315 MB
$ sudo rm -rf ~/opencv
$ sudo rm -rf ~/opencv_contrib

onnx install

sudo python3 -m pip install onnx

torch and torchvision install

Follow the guide

image

wget https://nvidia.box.com/다운로드-주소/torch-2.1.0-cp310-cp310-linux_aarch64.whl
sudo apt-get install python3-pip libopenblas-base libopenmpi-dev libomp-dev
pip3 install Cython
pip3 install numpy torch-1.8.0-cp36-cp36m-linux_aarch64.whl

$ sudo apt-get install libjpeg-dev zlib1g-dev libpython3-dev libopenblas-dev libavcodec-dev libavformat-dev libswscale-dev
$ git clone --branch <version> https://github.com/pytorch/vision torchvision   # see below for version of torchvision to download
      # git clone --branch v0.16.1 https://github.com/pytorch/vision torchvision
$ cd torchvision
$ export BUILD_VERSION=0.x.0  # where 0.x.0 is the torchvision version
      # export BUILD_VERSION=0.16.1
$ python3 setup.py install --user
$ cd ../  # attempting to load torchvision from build dir will result in import error

sudo apt-get install python3-pip libopenblas-base libopenmpi-dev libomp-dev
pip3 install 'Cython<3'
wget https://developer.download.nvidia.cn/compute/redist/jp/v512/pytorch/torch-2.1.0a0+41361538.nv23.06-cp38-cp38-linux_aarch64.whl
pip3 install numpy torch-1.8.0-cp36-cp36m-linux_aarch64.whl


sudo apt-get install libjpeg-dev zlib1g-dev libpython3-dev libopenblas-dev libavcodec-dev libavformat-dev libswscale-dev
git clone --branch v0.16.1 https://github.com/pytorch/vision torchvision   # see below for version of torchvision to download
cd torchvision
export BUILD_VERSION=0.16.1  # where 0.x.0 is the torchvision version  
python3 setup.py install --user
cd ../

TensorRT

TensorRT: 8.5.2.2 or 8.6.2.3

  • binary directory: /usr/src/tensorrt/bin/
  • add "export PATH=$PATH:/usr/src/tensorrt/bin/" in .bashrc

Yolo

pip3 install ultralytics
mkdir ultralytics
cd ultralytics
yolo predict model=yolov8n.pt imgsz=640 conf=0.25

image

DeepStream

Refer to the site

aiac-nx@ubuntu:~$ deepstream-app --help
deepstream-app: error while loading shared libraries: libgstrtspserver-1.0.so.0: cannot open shared object file: No such file or directory
>> Need to install the library.
aiac-nx@ubuntu:~$ sudo apt-get install libgstrtspserver-1.0-0

aiac-nx@ubuntu:~$ deepstream-app --version-all
deepstream-app version 6.4.0
DeepStreamSDK 6.4.0
CUDA Driver Version: 12.2
CUDA Runtime Version: 12.2
TensorRT Version: 8.6
cuDNN Version: 8.9
libNVWarp360 Version: 2.0.1d3

v4l-utils

The v4l2-ctl tool is used to control video4linux devices,

sudo apt-get install v4l-utils

v4l2-ctl --device=/dev/video1 --all

gst-launch-1.0 v4l2src device=/dev/video0 ! image/jpeg, width=1920, height=1080, framerate=30/1, format=MJPG ! nvv4l2decoder mjpeg=1 ! nvvidconv ! videocrop name=cropper  ! xvimagesink sync=False

Jetson Inference

Check link

sudo apt-get update
sudo apt-get install git cmake libpython3-dev python3-numpy
git clone --recursive --depth=1 https://github.com/dusty-nv/jetson-inference
cd jetson-inference
mkdir build
cd build
cmake ../
make -j$(nproc)
sudo make install
sudo ldconfig

Install https://github.com/jetsonhacks/camera-caps for a GUI based camera control.