ubuntu 20 CUDA12.1安装流程

1. 首先确定是否有GPU驱动

1. 其次安装必须的CUDA安装包

1. 下载好后执行

1. 安装好后修改环境变量

`vim ~/.bashrc
export PATH=/usr/local/cuda-12.1/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/cuda-12.1/lib64:$LD_LIBRARY_PATH
`

 vim /home/xxx/.bashrc

export PATH=/usr/local/cuda-12.1/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/cuda-12.1/lib64:$LD_LIBRARY_PATH