# 1. 下载并安装 CUDA GPG key
wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-keyring_1.1-1_all.deb
sudo dpkg -i cuda-keyring_1.1-1_all_deb
# 2. 更新 apt 索引
sudo apt update
# 3. 再次尝试搜索
apt search cuda-toolkit# 1. 下载并安装 CUDA GPG key
wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-keyring_1.1-1_all.deb
sudo dpkg -i cuda-keyring_1.1-1_all_deb
# 2. 更新 apt 索引
sudo apt update
# 3. 再次尝试搜索
apt search cuda-toolkit