CUDA 12.8 Ubuntu Installation One-shot

cuda128.sh

# Update package list and install required tools
apt-get update -y
apt-get install -y wget lsb-release

# Auto-detect distro for repo (works for Ubuntu 22.04/24.04)
distribution=$(lsb_release -is | tr '[:upper:]' '[:lower:]')
version=$(lsb_release -rs | sed 's/\.//g')
repo_code="${distribution}${version}"

# Download and set up pinning + keyring
wget https://developer.download.nvidia.com/compute/cuda/repos/${repo_code}/x86_64/cuda-${repo_code}.pin
mv cuda-${repo_code}.pin /etc/apt/preferences.d/cuda-repository-pin-600

wget https://developer.download.nvidia.com/compute/cuda/repos/${repo_code}/x86_64/cuda-keyring_1.1-1_all.deb
dpkg -i cuda-keyring_1.1-1_all.deb

# Update and install CUDA 12.8 Toolkit specifically (includes nvcc)
apt-get update -y
apt-get install -y cuda-toolkit-12-8

# Clean up downloaded files (optional)
rm cuda-keyring_1.1-1_all.deb

# Set environment variables for this session (add to ~/.bashrc for persistence)
export PATH=/usr/local/cuda-12.8/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/cuda-12.8/lib64:$LD_LIBRARY_PATH

# Verify installation
nvcc --version