wget https://mirrors.aliyun.com/nvidia-cuda/ubuntu1804/x86_64/cuda-ubuntu1804.pin
sudo mv cuda-ubuntu1804.pin /etc/apt/preferences.d/cuda-repository-pin-600
sudo apt-key adv --fetch-keys https://mirrors.aliyun.com/nvidia-cuda/ubuntu1804/x86_64/7fa2af80.pub
sudo add-apt-repository "deb https://mirrors.aliyun.com/nvidia-cuda/ubuntu1804/x86_64/ /"
sudo apt-get update
sudo apt-get -y install cuda
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