```shell
wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2404/x86_64/cuda-keyring_1.1-1_all.deb
sudo dpkg -i cuda-keyring_1.1-1_all.deb
sudo apt-get update
sudo apt-get -y install cuda-toolkit-12-8
sudo apt-get install -y cuda-drivers
```

```shell
nvidia-smi
```

```
sudo grep -r "mirrors.tuna.tsinghua.edu.cn" /etc /usr 2>/dev/null
```

```shell
nvcc -V
```

```
(base) root@ss-IdeaPad-PC:/etc/apt/apt.conf.d# sudo grep -r "mirrors.tuna.tsinghua.edu.cn" /etc /usr 2>/dev/null
/usr/share/python-apt/templates/Debian.mirrors:http://mirrors.tuna.tsinghua.edu.cn/debian/
/usr/share/python-apt/templates/Ubuntu.mirrors:https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/
/usr/share/python-apt/templates/Ubuntu.mirrors:https://mirrors.tuna.tsinghua.edu.cn/ubuntu/
/usr/share/ubuntu-release-upgrader/mirrors.cfg:https://mirrors.tuna.tsinghua.edu.cn/ubuntu/
/usr/share/ubuntu-release-upgrader/mirrors.cfg:https://mirrors.tuna.tsinghua.edu.cn/ubuntu-ports/
```