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I have a system with a NVIDIA card that has a compute support of 3.5+ compared on https://developer.nvidia.com/cuda-gpus. How do I install CUDA and the NVIDIA drivers in Ubuntu without downloading the .deb files from NVIDIA?

Ubuntu 18.04, CUDA 10.0 and NVIDIA 418.43 drivers:

NOTE: CUDA 9.x is not available through NVIDIA's ubuntu1804 repo. I did however write an answer for CUDA 9.2 at https://askubuntu.com/a/1086993/231142

These instructions are for installing CUDA through the repository instead of the .deb installation.

The following lines you can copy and paste to a terminal window. Press Ctrl+Alt+T to open a terminal window.

Remove any CUDA PPAs that may be setup and also remove the nvidia-cuda-toolkit if installed:

sudo rm /etc/apt/sources.list.d/cuda*
sudo apt remove nvidia-cuda-toolkit

Recommended to also remove all NVIDIA drivers before installing new drivers:

sudo apt remove nvidia-*

Then update the system:

sudo apt update

Install the key:

sudo apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/7fa2af80.pub

Add the repo:

sudo bash -c 'echo "deb http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64 /" > /etc/apt/sources.list.d/cuda.list'

Update the system again:

sudo apt update

If you only want the NVIDIA 418.43 driver run, if not, skip this step:

sudo apt install nvidia-driver-418

Install CUDA 10.0.

sudo apt install cuda-10-0

It should be installing the nvidia-410 drivers with it as those are what are listed in the repo. See: http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/

Add the following lines to your ~/.profile file for CUDA 10.0

# set PATH for cuda 10.0 installation
if [ -d "/usr/local/cuda-10.0/bin/" ]; then
 export PATH=/usr/local/cuda-10.0/bin$PATH:+:$PATH
 export LD_LIBRARY_PATH=/usr/local/cuda-10.0/lib64$LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH
fi

Reboot the computer and check your settings when reboot is complete:

Check NVIDIA Cuda Compiler with nvcc --version:

terrance@terrance-ubuntu:~$ nvcc --version
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2018 NVIDIA Corporation
Built on Sat_Aug_25_21:08:01_CDT_2018
Cuda compilation tools, release 10.0, V10.0.130

Check NVIDIA driver with nvidia-smi:

terrance@terrance-ubuntu:~$ nvidia-smi 
Sat Mar 23 20:52:18 2019 
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 418.43 Driver Version: 418.43 CUDA Version: 10.1 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 760 Off | 00000000:02:00.0 N/A | N/A |
| 43% 41C P8 N/A / N/A | 122MiB / 1998MiB | N/A Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 Not Supported |
+-----------------------------------------------------------------------------+

Ubuntu 16.04, CUDA 9.2 and NVIDIA 396 drivers:

NOTE: NVIDIA's repo here has decided to push the 410 drivers. I will do some testing to see if I can get it to set for the driver you want installed.

These instructions are for installing CUDA through the repository instead of the .deb installation.

The following lines you can copy and paste to a terminal window. Press Ctrl+Alt+T to open a terminal window.

Remove any CUDA PPAs that may be setup and also remove the nvidia-cuda-toolkit if installed:

sudo rm /etc/apt/sources.list.d/cuda*
sudo apt remove nvidia-cuda-toolkit

Recommended to also remove all NVIDIA drivers before installing new drivers:

sudo apt remove nvidia-*

Then update the system:

sudo apt update

Install the key:

sudo apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/7fa2af80.pub

Add the repo:

sudo bash -c 'echo "deb http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64 /" > /etc/apt/sources.list.d/cuda.list'

Update for the new repo being added:

sudo apt update

Install CUDA 9.2:

sudo apt install cuda-9-2

It should be installing the nvidia-396 drivers with it as those are what are listed in the repo. See: http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/

Verify that CUDA 9.2 was installed:

~$ ls /usr/local/cuda-9.2/
bin include libnvvp nvml samples targets
doc lib64 LICENSE nvvm share tools
extras libnsight nsightee_plugins README src version.txt

Now, add the following to your ~/.profile for the PATH and LD_LIBRARY. You can use the command gedit ~/.profile for editing:

# set PATH for cuda 9.2 installation
if [ -d "/usr/local/cuda-9.2/bin/" ]; then
 export PATH=/usr/local/cuda-9.2/bin$PATH:+:$PATH
 export LD_LIBRARY_PATH=/usr/local/cuda-9.2/lib64$LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH
fi

Reboot your system.

sudo reboot

Once the system is up, you can verify the installation by typing in the following:

nvcc -V

You should see something similar the following:

~$ nvcc -V
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2017 NVIDIA Corporation
Built on Fri_Nov__3_21:07:56_CDT_2017
Cuda compilation tools, release 9.1, V9.1.85

And you should see the 396.xx drivers installed:

~$ nvidia-smi
Thu May 17 07:38:54 2018 
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 396.44 Driver Version: 396.44 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 760 Off | 00000000:02:00.0 N/A | N/A |
| 49% 53C P0 N/A / N/A | 187MiB / 1999MiB | N/A Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 Not Supported |
+-----------------------------------------------------------------------------+

Ubuntu 14.04, CUDA 10.0 and NVIDIA 410 drivers:

Please note that I don't have Ubuntu 14.04 installed so I cannot verify if these steps work or not. But according to http://developer.download.nvidia.com/compute/cuda/repos/ from NVIDIA, it should be the same steps as I have listed in the other two answers.

These instructions are for installing CUDA through the repository instead of the .deb installation.

The following lines you can copy and paste to a terminal window. Press Ctrl+Alt+T to open a terminal window.

Remove any CUDA PPAs that may be setup and also remove the nvidia-cuda-toolkit if installed:

sudo rm /etc/apt/sources.list.d/cuda*
sudo apt remove nvidia-cuda-toolkit

Recommended to also remove all NVIDIA drivers before installing new drivers:

sudo apt remove nvidia-*

Then update the system:

sudo apt update

Install the key:

sudo apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/7fa2af80.pub

Add the repo:

sudo bash -c 'echo "deb http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64 /" > /etc/apt/sources.list.d/cuda.list'

Update the system again:

sudo apt update

Install CUDA 10.0.

sudo apt install cuda-10-0

It should be installing the nvidia-410 drivers with it as those are what are listed in the repo. See: http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/

Add the following lines to your ~/.profile file for CUDA 10.0

# set PATH for cuda 10.0 installation
if [ -d "/usr/local/cuda-10.0/bin/" ]; then
 export PATH=/usr/local/cuda-10.0/bin$PATH:+:$PATH
 export LD_LIBRARY_PATH=/usr/local/cuda-10.0/lib64$LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH
fi

Reboot the computer and check your settings when reboot is complete:

Check NVIDIA Cuda Compiler with nvcc --version:

Check NVIDIA driver with nvidia-smi: