(Pytorch) C:\Users\15827455571>conda install -c junpu pytorch-cuda Collecting package metadata (repodata.json): failed UnavailableInvalidChannel: HTTP 404 NOT FOUND for channel junpu <http://mirrors.tuna.tsinghua.edu.cn/anaconda/junpu> The channel is not accessible or is invalid. You will need to adjust your conda configuration to proceed. Use `conda config --show channels` to view your configuration's current state, and use `conda config --show-sources` to view config file locations.这个怎么解决

这个问题可能是由于 junpu 这个 channel 不可访问所导致的。你可以尝试以下几种方法解决这个问题：

1. 检查你的 conda 配置是否有问题，可以使用 `conda config --show channels` 命令查看当前的配置。如果没有 junpu 这个 channel，可以尝试添加该 channel，命令如下：

   conda config --add channels junpu

2. 如果你已经添加了 junpu 这个 channel，但仍然无法访问，可以尝试切换到其他可用的 channel，如官方的 pytorch channel：

   conda install pytorch-cuda

3. 如果以上方法都无法解决问题，可以尝试清除 conda 的缓存并重新安装：

   conda clean --all
   conda install pytorch-cuda

希望以上方法能帮助你解决问题。

相关问题

ModuleNotFoundError: No module named 'torch' PS G:\NJFU\YOLO\yolov5-corrosion> conda install pytorch==1.8.0 torchvision==0.9.0 torchaudio==0.8.0 cpuonly Collecting package metadata (current_repodata.json): done Solving environment: failed with initial frozen solve. Retrying with flexible solve. Collecting package metadata (repodata.json): done Solving environment: failed with initial frozen solve. Retrying with flexible solve. PackagesNotFoundError: The following packages are not available from current channels: - cpuonly - pytorch==1.8.0 - torchvision==0.9.0 - torchaudio==0.8.0

It seems that you are encountering some issues with installing the required packages for PyTorch. The error message suggests that the packages you are trying to install are not available from the current channels.

To resolve this issue, you can try the following steps:

1. Create a new conda environment:

conda create -n myenv python=3.8

2. Activate the new environment:

conda activate myenv

3. Install PyTorch and torchvision using conda:

conda install pytorch==1.8.0 torchvision==0.9.0 torchaudio==0.8.0 cpuonly -c pytorch

By specifying the `-c pytorch` flag, conda will search for the packages in the PyTorch channel.

Please note that the `cpuonly` variant installs PyTorch without CUDA support, which means it will not utilize GPU acceleration. If you have a compatible GPU and want to enable GPU acceleration, you should install the appropriate version of PyTorch with CUDA support.

I hope this helps! Let me know if you have any further questions.

Collecting package metadata (current_repodata.json): done Solving environment: failed with initial frozen solve. Retrying with flexible solve. Collecting package metadata (repodata.json): done Solving environment: failed with initial frozen solve. Retrying with flexible solve. PackagesNotFoundError: The following packages are not available from current channels: - pytorch==1.13.1 - cpuonly - torchvision==0.14.1 - torchaudio==0.13.1 Current channels: 什么意思

"Current channels" 是指当前可用的软件包渠道。在这种情况下，你遇到了一个错误，提示指定的软件包（pytorch、cpuonly、torchvision、torchaudio）在当前的软件包渠道中无法找到。这意味着你需要检查你的软件包管理器（如conda或pip）配置的渠道是否正确，并确保所需的软件包在可用的渠道中。你可以尝试更新软件包管理器的渠道或查找其他可用的渠道以获取所需的软件包。