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Wolfy avatar Ubuntu

Trying to install CUDA, but getting errors

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Wolfy

I have tried a number of solutions suggested here and only when I try to install cuda. But I keep getting the following errors when I do the following

sudo apt install -y cuda

Errors were encountered while processing:

 nvidia-dkms-450
 nvidia-driver-450
 cuda-drivers-450
 cuda-drivers
 cuda-runtime-11-0
 cuda-11-0
 cuda-demo-suite-11-0
 cuda
E: Sub-process /usr/bin/dpkg returned an error code (1)

This is for Ubuntu 20.04.

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Nmath avatar
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Nmath
Please edit your question and include the whole unredacted output. Are you running `sudo apt update` before other commands in `apt`? Is all of your software up-to-date before attempting to install new software?
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Nate T avatar
it flag
Nate T
The i386 package is only necessary for systems using 32 bit architecture.
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Score:1
Nate T avatar Ubuntu
it flag
Nate T

You need to download the drivers first. Try first running this

sudo apt install libnvidia-tesla-cuda1 libnvidia-tesla-cuda1-i386

then running your install command when Apt is finished with this one.

This is the description from apt search :

NVIDIA CUDA Driver Library (Tesla version)

EDIT

After doing more research on the question, I found the official documentation which includes installation instructions. As it turns out, there is a bit more to the process:

Perform the pre-installation actions.

Install repository meta-data

    $ sudo dpkg -i cuda-repo-<distro>_<version>_<architecture>.deb

Install the CUDA public GPG key

When installing using the local repo:

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

When installing using network repo on Ubuntu 20.04/18.04:

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

When installing using network repo on Ubuntu 16.04:

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

Pin file to prioritize CUDA repository:

    $ wget https://developer.download.nvidia.com/compute/cuda/repos/<distro>/<architecture>/cuda-<distro>.pin
    $ sudo mv cuda-<distro>.pin /etc/apt/preferences.d/cuda-repository-pin-600

Update the Apt repository cache

    $ sudo apt-get update

Install CUDA Note: These two commands must be executed separately.

    $ sudo apt-get install cuda

To include all GDS packages:

    $ sudo apt-get install nvidia-gds

Perform the post-installation actions.

SOURCES

Official Installation Guide

Section on Apt based install on Ubuntu

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