1.卸载cuda
ubuntu20.04 显卡驱动,CUDA 安装和卸载,cudnn安装_ubuntu20.04中cuda卸载后无法安装_德卡先生的信箱的博客-CSDN博客ubuntu20.04显卡驱动,CUDA 安装和卸载,cudnn安装_ubuntu20.04中cuda卸载后无法安装https://blog.csdn.net/weixin_43653152/article/details/125507458?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522169390142516800186590836%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=169390142516800186590836&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-1-125507458-null-null.142^v93^control&utm_term=ubuntu20.04%E5%8D%B8%E8%BD%BDcuda%E5%92%8Ccudnn&spm=1018.2226.3001.4187cuDNN Archive | NVIDIA DeveloperExplore and download past releases from cuDNN GPU-accelerated primitive library for deep neural networks.
https://developer.nvidia.com/rdp/cudnn-archiveubuntu22 安装cuda,cudnn 中的bug-CSDN博客Cuda和 cudnn 的版本不兼容，Cuda是11.7 而cudnn之前装成8.9.3.28-1+cuda12.1。再选择 Local Installer for Ubuntu22.04 x86_64 (Deb)，选择下载 cuDNN v8.9.0 (for CUDA 11.x)，下载完后，建议把deb文件移动到home主目录。查找所有安的有关cudnn的包，删干净。如果系统还没有安装zlib包，可先。然后重新安装cudnn。https://blog.csdn.net/Alpha1225/article/details/131864283?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522169390260516800182123892%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=169390260516800182123892&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-6-131864283-null-null.142^v93^control&utm_term=dpkg%20-l%20%7C%20grep%20libcudnn&spm=1018.2226.3001.4187Ubuntu20.04下CUDA、cuDNN的详细安装与配置过程（图文）_ubuntu cudnn安装_嵌入式技术的博客-CSDN博客Ubuntu20.04安装NVIDIA显卡驱动及CUDA深度学习环境配置（图文）安装准备，重要！NVIDIA（英伟达）显卡驱动安装安装CUDA安装cudnnCUDA测试我发现在终端输入sudo apt install nvidia-cuda-toolkit就能自动安装CUDA了，但是有没有安装cudnn安装准备，重要！NVIDIA（英伟达）显卡驱动安装由于新安装的Ubuntu20.04系统并没有安装NVIDIA显卡驱动，所以需要先安装它。如果系统已经安装过驱动，可以通过指令nvidia-smi查看，_ubuntu cudnn安装
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