Kaggle 平台安装 cudatoolkit=10.2 失败：'conda install cudatoolkit=10.2' 错误解决方法

在 Kaggle 平台使用如下命令安装 cudatoolkit=10.2 时，可能会遇到如下错误：/n/n/nconda install cudatoolkit=10.2/n/n/n错误信息：/n/n```/nRetrieving notices: ...working... done/nCollecting package metadata (current_repodata.json): failed/n/n# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<</n/n Traceback (most recent call last):/n File /'/opt/conda/lib/python3.10/site-packages/conda/gateways/repodata/init.py/', line 161, in conda_http_errors/n yield/n File /'/opt/conda/lib/python3.10/site-packages/conda/gateways/repodata/init.py/', line 127, in repodata/n response.raise_for_status()/n File /'/opt/conda/lib/python3.10/site-packages/requests/models.py/', line 1021, in raise_for_status/n raise HTTPError(http_error_msg, response=self)/n requests.exceptions.HTTPError: 404 Client Error: Not Found for url: https://conda.anaconda.org/rapidsai/linux-64/current_repodata.json/n /n During handling of the above exception, another exception occurred:/n /n Traceback (most recent call last):/n File /'/opt/conda/lib/python3.10/site-packages/requests/models.py/', line 971, in json/n return complexjson.loads(self.text, **kwargs)/n File /'/opt/conda/lib/python3.10/site-packages/simplejson/init.py/', line 514, in loads/n return _default_decoder.decode(s)/n File /'/opt/conda/lib/python3.10/site-packages/simplejson/decoder.py/', line 386, in decode/n obj, end = self.raw_decode(s)/n File /'/opt/conda/lib/python3.10/site-packages/simplejson/decoder.py/', line 416, in raw_decode/n return self.scan_once(s, idx=_w(s, idx).end())/n simplejson.errors.JSONDecodeError: Expecting value: line 1 column 1 (char 0)/n /n During handling of the above exception, another exception occurred:/n /n Traceback (most recent call last):/n File /'/opt/conda/lib/python3.10/site-packages/conda/exceptions.py/', line 1132, in call/n return func(*args, **kwargs)/n File /'/opt/conda/lib/python3.10/site-packages/conda/cli/main.py/', line 69, in main_subshell/n exit_code = do_call(args, p)/n File /'/opt/conda/lib/python3.10/site-packages/conda/cli/conda_argparse.py/', line 122, in do_call/n return getattr(module, func_name)(args, parser)/n File /'/opt/conda/lib/python3.10/site-packages/conda/notices/core.py/', line 116, in wrapper/n return_value = func(*args, kwargs)/n File /'/opt/conda/lib/python3.10/site-packages/conda/cli/main_install.py/', line 20, in execute/n install(args, parser, 'install')/n File /'/opt/conda/lib/python3.10/site-packages/conda/cli/install.py/', line 264, in install/n unlink_link_transaction = solver.solve_for_transaction(/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/solve.py/', line 134, in solve_for_transaction/n unlink_precs, link_precs = self.solve_for_diff(update_modifier, deps_modifier,/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/solve.py/', line 177, in solve_for_diff/n final_precs = self.solve_final_state(update_modifier, deps_modifier, prune, ignore_pinned,/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/solve.py/', line 282, in solve_final_state/n ssc = self._collect_all_metadata(ssc)/n File /'/opt/conda/lib/python3.10/site-packages/conda/common/io.py/', line 84, in decorated/n return f(args, kwds)/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/solve.py/', line 449, in _collect_all_metadata/n index, r = self._prepare(prepared_specs)/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/solve.py/', line 1064, in _prepare/n reduced_index = get_reduced_index(self.prefix, self.channels,/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/index.py/', line 267, in get_reduced_index/n new_records = SubdirData.query_all(spec, channels=channels, subdirs=subdirs,/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/subdir_data.py/', line 169, in query_all/n result = tuple(chain.from_iterable(executor.map(subdir_query, channel_urls)))/n File /'/opt/conda/lib/python3.10/concurrent/futures/_base.py/', line 621, in result_iterator/n yield _result_or_cancel(fs.pop())/n File /'/opt/conda/lib/python3.10/concurrent/futures/_base.py/', line 319, in _result_or_cancel/n return fut.result(timeout)/n File /'/opt/conda/lib/python3.10/concurrent/futures/_base.py/', line 458, in result/n return self.__get_result()/n File /'/opt/conda/lib/python3.10/concurrent/futures/_base.py/', line 403, in __get_result/n raise self._exception/n File /'/opt/conda/lib/python3.10/concurrent/futures/thread.py/', line 58, in run/n result = self.fn(*self.args, self.kwargs)/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/subdir_data.py/', line 158, in subdir_query/n return tuple(/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/subdir_data.py/', line 174, in query/n self.load()/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/subdir_data.py/', line 264, in load/n _internal_state = self._load()/n File /'/opt/conda/lib/python3.10/site-packages/conda/core/subdir_data.py/', line 366, in _load/n raw_repodata_str = self._repo.repodata(cache.state) # type: ignore/n File /'/opt/conda/lib/python3.10/site-packages/conda/gateways/repodata/init.py/', line 120, in repodata/n with conda_http_errors(self._url, filename):/n File /'/opt/conda/lib/python3.10/contextlib.py/', line 153, in exit/n self.gen.throw(typ, value, traceback)/n File /'/opt/conda/lib/python3.10/site-packages/conda/gateways/repodata/init.py/', line 208, in conda_http_errors/n raise RepodataIsEmpty(/n File /'/opt/conda/lib/python3.10/site-packages/conda/exceptions.py/', line 462, in init/n body = response.json()/n File /'/opt/conda/lib/python3.10/site-packages/requests/models.py/', line 975, in json/n raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)/n requests.exceptions.JSONDecodeError: Expecting value: line 1 column 1 (char 0)/n/n/$ /opt/conda/bin/conda install --yes --prefix /opt/conda cudatoolkit=10.2//n/n environment variables:/n CIO_TEST=/n CONDA_ROOT=/opt/conda/n CURL_CA_BUNDLE=/n LD_LIBRARY_PATH=/usr/local/cuda/lib64:/usr/local/cuda/lib:/usr/local/lib/x86_64-linux-/n gnu:/usr/local/nvidia/lib:/usr/local/nvidia/lib64::/opt/conda/lib/n LD_PRELOAD=/n LIBRARY_PATH=:/opt/conda/lib/n PATH=/opt/conda/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin/n :/bin/n PYTHONPATH=/kaggle/lib/kagglegym:/kaggle/lib/n PYTHONUSERBASE=/root/.local/n REQUESTS_CA_BUNDLE=/n SSL_CERT_FILE=/n TESSERACT_PATH=/usr/bin/tesseract/n/n active environment : None/n user config file : /root/.condarc/n populated config files : /opt/conda/.condarc/n /root/.condarc/n conda version : 23.3.1/n conda-build version : not installed/n python version : 3.10.10.final.0/n virtual packages : __archspec=1=x86_64/n __glibc=2.31=0/n __linux=5.15.109=0/n __unix=0=0/n base environment : /opt/conda (writable)/n conda av data dir : /opt/conda/etc/conda/n conda av metadata url : None/n channel URLs : https://conda.anaconda.org/rapidsai/linux-64/n https://conda.anaconda.org/rapidsai/noarch/n https://conda.anaconda.org/nvidia/linux-64/n https://conda.anaconda.org/nvidia/noarch/n https://conda.anaconda.org/conda-forge/linux-64/n https://conda.anaconda.org/conda-forge/noarch/n https://repo.anaconda.com/pkgs/main/linux-64/n https://repo.anaconda.com/pkgs/main/noarch/n https://repo.anaconda.com/pkgs/r/linux-64/n https://repo.anaconda.com/pkgs/r/noarch/n package cache : /opt/conda/pkgs/n /root/.conda/pkgs/n envs directories : /opt/conda/envs/n /root/.conda/envs/n platform : linux-64/n user-agent : conda/23.3.1 requests/2.29.0 CPython/3.10.10 Linux/5.15.109+ ubuntu/20.04.6 glibc/2.31/n UID:GID : 0:0/n netrc file : None/n offline mode : False/n/n/nAn unexpected error has occurred. Conda has prepared the above report./n/nUpload successful./n/nNote: you may need to restart the kernel to use updated packages./n/n解决方法：/n/n 修改 channel URLs/n/n 可以尝试将 https://conda.anaconda.org/rapidsai/linux-64 替换为 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/linux-64/，然后重新运行安装命令。/n/n 更新 conda/n/n 可以使用命令 conda update conda 更新 conda，然后再运行安装命令。/n/n 其他平台或重新安装环境/n/n 如果以上方法都无效，可以尝试使用其他平台或者重新安装环境。/n