CUDA and Cudnn settings

********************cuda8.0 install*********************

@ Ctrl+alt+F1          #enter character interface, closed Graphics     
                       interface

@login                 #username password

$ sudo service lightdm stop    

sudo init 3

$ sudo sh cuda_8.0.61_375.26_linux.run

  #except driver:n, openGL:n, others all: y or accept

$ sudo service lightdm start

@ Ctrl+alt+F7          #back to Graphics  interface

*************cuda and cudnn settings and relink**************************

%Change the directory and Extract the cudnn file

$ tar xvzf cudnn-8.0-linux-x64-v5.1.tgz
%Rename it from 'cuda' to 'cudnn'
$ mv cuda cudnn

$ sudo cp -r cudnn /usr/local

 

%Change the directory and delete the original linking file, that is cuda

$ cd /usr/local

$ sudo rm -r cuda

% relink
$ sudo ln -s /usr/local/cuda-8.0 /usr/local/cuda

% creat symbolic link
sudo ln -s /usr/local/cudnn-10.0-v7.6.2.24/lib64/libcudnn.so /usr/local/cuda/lib64/libcudnn.so 
sudo ln -s /usr/local/cudnn-10.0-v7.6.2.24/lib64/libcudnn.so.7 /usr/local/cuda/lib64/libcudnn.so.7
sudo ln -s /usr/local/cudnn-10.0-v7.6.2.24/lib64/libcudnn.so.7.6.2 /usr/local/cuda/lib64/libcudnn.so.7.6.2
sudo ln -s /usr/local/cudnn-10.0-v7.6.2.24/lib64/libcudnn_static.a /usr/local/cuda/lib64/libcudnn_static.a


%only works for shell
%Set up ~/.bashrc

$ sudo nano ~/.bashrc
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/cuda/lib64:/usr/local/cudnn/lib64
export CUDA_HOME=/usr/local/cuda
export PATH=$PATH:/usr/local/cuda/bin
$ source ~/.bashrc

%works for shell and IDE
%Environment Variables:

$ sudo nano /etc/profile.d/cuda.sh
export PATH=$PATH:/usr/local/cuda/bin

$ sudo nano /etc/ld.so.conf.d/cuda.conf
/usr/local/cuda/lib64

$ sudo nano /etc/ld.so.conf.d/cudnn.conf
/usr/local/cudnn-10.0-v7.6.2.24/lib64/

$ sudo ldconfig

 

===========================

最终查看

 

cat /usr/local/cuda/version.txt

 cat /usr/local/cuda/include/cudnn.h | grep CUDNN_MAJOR -A 2

 

卸载cuda 
cuda的默认安装在 /usr/local/cuda-8.0下，用下面的命令卸载： 
sudo /usr/local/cuda-8.0/bin/uninstall_cuda-8.0.pl 

卸载NVIDIA驱动

sudo /usr/bin/nvidia-uninstall