1.cuda下载和安装参照

Linux安装CUDA的正确姿势_FlyWine的博客-CSDN博客_linux cuda

2.安装时，enter continue 出现以下问题

Existing package manager installation of the driver found. It is strongly

表示已经存在了一个显卡驱动,与将要自动安装的驱动冲突。

这里的X表示 execute，安装的意思

光标移动到driver，选择不安装

 Install enter

安装完成后输出以下信息，可以看到未安装driver，只安装了Toolkit 和Samlples

===========
= Summary =
===========

Driver:   Not Selected
Toolkit:  Installed in /usr/local/cuda-11.3/
Samples:  Installed in /home/c415/

Please make sure that
 -   PATH includes /usr/local/cuda-11.3/bin
 -   LD_LIBRARY_PATH includes /usr/local/cuda-11.3/lib64, or, add /usr/local/cuda-11.3/lib64 to /etc/ld.so.conf and run ldconfig as root

To uninstall the CUDA Toolkit, run cuda-uninstaller in /usr/local/cuda-11.3/bin
***WARNING: Incomplete installation! This installation did not install the CUDA Driver. A driver of version at least 465.00 is required for CUDA 11.3 functionality to work.
To install the driver using this installer, run the following command, replacing <CudaInstaller> with the name of this run file:
    sudo <CudaInstaller>.run --silent --driver

Logfile is /var/log/cuda-installer.log