Ubuntu 24.04@WSL2にCUDAをインストールする（libtinfo5が見つからない問題）

$ wget https://developer.download.nvidia.com/compute/cuda/repos/wsl-ubuntu/x86_64/cuda-keyring_1.1-1_all.deb

$ sudo dpkg -i cuda-keyring_1.1-1_all.deb

$ sudo tee /etc/apt/sources.list.d/jammy.list << EOF
deb http://archive.ubuntu.com/ubuntu/ jammy universe
EOF

$ sudo tee /etc/apt/preferences.d/pin-jammy <<EOF
Package: *
Pin: release n=jammy
Pin-Priority: -10

Package: libtinfo5
Pin: release n=jammy
Pin-Priority: 990
EOF

$ sudo apt-get update

$ sudo apt-get -y install cuda-toolkit

$ wget https://developer.download.nvidia.com/compute/cuda/repos/wsl-ubuntu/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 install cuda-toolkit

$ sudo apt install cuda-toolkit
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 nsight-systems-2023.4.4 : Depends: libtinfo5 but it is not installable
E: Unable to correct problems, you have held broken packages.

$ sudo tee /etc/apt/sources.list.d/jammy.list << EOF
deb http://archive.ubuntu.com/ubuntu/ jammy universe
EOF

$ sudo tee /etc/apt/preferences.d/pin-jammy <<EOF
Package: *
Pin: release n=jammy
Pin-Priority: -10

Package: libtinfo5
Pin: release n=jammy
Pin-Priority: 990
EOF

$ sudo apt-get update
$ sudo apt-get -y install cuda-toolkit

import torch

if torch.cuda.is_available():
    print("CUDA is available!")
    print("Device count:", torch.cuda.device_count())
    for i in range(torch.cuda.device_count()):
        print(f"Device {i}: {torch.cuda.get_device_name(i)}")
else:
    print("CUDA is not available.")