Install CUDA Toolkit v8.0 and cuDNN v6.0 on Ubuntu 16.04

waya-dl-setup.sh

#!/bin/bash

# install CUDA Toolkit v8.0
# instructions from https://developer.nvidia.com/cuda-downloads (linux -> x86_64 -> Ubuntu -> 16.04 -> deb (network))
CUDA_REPO_PKG="cuda-repo-ubuntu1604_8.0.61-1_amd64.deb"
wget http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/${CUDA_REPO_PKG}
sudo dpkg -i ${CUDA_REPO_PKG}
sudo apt-get update
sudo apt-get -y install cuda

# install cuDNN v6.0
CUDNN_TAR_FILE="cudnn-8.0-linux-x64-v6.0.tgz"
wget http://developer.download.nvidia.com/compute/redist/cudnn/v6.0/${CUDNN_TAR_FILE}
tar -xzvf ${CUDNN_TAR_FILE}
sudo cp -P cuda/include/cudnn.h /usr/local/cuda-8.0/include
sudo cp -P cuda/lib64/libcudnn* /usr/local/cuda-8.0/lib64/
sudo chmod a+r /usr/local/cuda-8.0/lib64/libcudnn*

# set environment variables
export PATH=/usr/local/cuda-8.0/bin${PATH:+:${PATH}}
export LD_LIBRARY_PATH=/usr/local/cuda-8.0/lib64\${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}

4040 error on ubuntu 20

--2022-01-23 17:43:34--  http://developer.download.nvidia.com/compute/redist/cudnn/v6.0/cudnn-8.1-linux-x64-v6.0.tgz
Resolving developer.download.nvidia.com (developer.download.nvidia.com)... 152.199.20.126
Connecting to developer.download.nvidia.com (developer.download.nvidia.com)|152.199.20.126|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://developer.download.nvidia.com/compute/redist/cudnn/v6.0/cudnn-8.1-linux-x64-v6.0.tgz [following]
--2022-01-23 17:43:34--  https://developer.download.nvidia.com/compute/redist/cudnn/v6.0/cudnn-8.1-linux-x64-v6.0.tgz
Connecting to developer.download.nvidia.com (developer.download.nvidia.com)|152.199.20.126|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2022-01-23 17:43:35 ERROR 404: Not Found.

tar (child): cudnn-8.1-linux-x64-v6.0.tgz: Cannot open: No such file or directory
tar (child): Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error is not recoverable: exiting now
cp: cannot stat 'cuda/include/cudnn.h': No such file or directory
cp: cannot stat 'cuda/lib64/libcudnn*': No such file or directory
chmod: cannot access '/usr/local/cuda-8.0/lib64/libcudnn*': No such file or directory