Linux Ubuntu OS install Nvidia CUDA Guide

Linux Ubuntu Installation Guide for NVIDIA CUDA Toolkit

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1. Check Compatibility Between NVIDIA Driver and CUDA Versions

First, consult the NVIDIA CUDA Toolkit Release Notes to verify the CUDA version compatible with your graphics driver. Official documentation link:

https://docs.nvidia.com/cuda/cuda-toolkit-release-notes/index.html

The following diagram shows version compatibility:

Check your driver version using

nvidia-smi

This displays your driver version. Cross-reference it with the compatibility table or note the maximum supported CUDA version shown (e.g., CUDA Version 12.8).

2. Download Official CUDA Driver

Official website: https://developer.nvidia.com/cuda-toolkit-archive

For this example, we install CUDA 12.8. You may choose any version up to the maximum supported by your driver (shown in nvidia-smi output).

Select the appropriate installer for your system:

The download commands will be generated after selection:

Execute the commands sequentially for installation:

3. Configure Environment Variables

Open the .bashrc file and append these lines (modify cuda-12.8 to match your installed version):

# Modify 'cuda-12.8' based on your installed version. Verify the path if needed.
export PATH=/usr/local/cuda-12.8/bin${PATH:+:${PATH}}
export LD_LIBRARY_PATH=/usr/local/cuda-12.8/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}