ubuntu 20.04.6
Xenomai 3.1.1
NVIDIA DRIVER
wget https://kr.download.nvidia.com/XFree86/Linux-x86_64/535.113.01/NVIDIA-Linux-x86_64-535.113.01.run
chmod 777 NVIDIA-Linux-x86_64-535.113.01.run
sudo gedit /etc/modprobe.d/blacklist.conf
blacklist nouveau
blacklist lbm-nouveau
options nouveau modeset=0
alias nouveau off
alias lbm-nouveau off
echo options nouveau modeset=0 | sudo tee -a /etc/modprobe.d/nouveau-kms.conf
sudo update-initramfs -u
sudo init 3
CUDA 11.8
wget https://developer.download.nvidia.com/compute/cuda/11.8.0/local_installers/cuda_11.8.0_520.61.05_linux.run
sudo gedit ~/.bashrc
export LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH
export PATH=/usr/local/cuda/bin:$PATH
network_driver
https://www.realtek.com/en/directly-download?downloadid=e3140146c05ec811caa824c14016ba09
sudo apt install r8168-dkms
sudo chmod 777 autorun.sh
sudo ./autorun.sh
sudo reboot