安装CUDA

下载链接，按照此流程走。
其中下面第二步添加网络公钥

sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/<distro>/<architecture>/7fa2af80.pub

如果找不到对应的网络路径，可以改为本地公钥

sudo apt-key add /var/<cuda version>/7fa2af80.pub

问题1：

[INFO]: ERROR: You appear to be running an X server; please exit X before
[INFO]:        installing.  For further details, please see the section INSTALLING
[INFO]:        THE NVIDIA DRIVER in the README available on the Linux driver
[INFO]:        download page at www.nvidia.com.

解决方案：
1.sudo service lightdm stop（此命令会关闭你的界面，进入命令行）
2.sudo init 3
来源

问题2：

ERROR: Stop Nouveau Kernel Driver 

解决方案:
1.Create a file at /etc/modprobe.d/blacklist-nouveau.conf with the following contents:
blacklist nouveau
options nouveau modeset=0
2.Regenerate the kernel initramfs:
sudo update-initramfs -u
来源

安装CUDNN

下载链接,根据此流程走

centos下安装问题

1.驱动版本不对，运行nvidia-smi提示：

NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running

此处(需翻墙)下载并安装与系统内核匹配的GPU驱动包