[开发工具]vscode 使用 jupyter 报错：Failed to run jupyter as observable with args notebook

使用 VS-Code 在远程服务器上运行 jupyter 时，提示 kernel 无法启动，同样的报错，根据 vscode-jupyter 官方的 issue #739，建议使用非 root 用户运行，未给出其他方案。

目前我使用的版本中已经支持使用 root 用户来运行，以下做记录。

code 版本：Version: 1.66.2 (system setup)
vscode-jupyter 插件版本：Version: 2022.3.1000901801

报错信息如下：

[I 2022-04-26 23:33:29.868 LabApp] JupyterLab extension loaded from /usr/local/python38/lib/python3.8/site-packages/jupyterlab

[I 2022-04-26 23:33:29.868 LabApp] JupyterLab application directory is /usr/local/python38/share/jupyter/lab

[C 23:33:29.875 NotebookApp] Running as root is not recommended. Use --allow-root to bypass.

Failed to run jupyter as observable with args notebook --no-browser --notebook-dir="/root/" --KernelManager.autorestart=False --config=/tmp/502b2fab-1087-414d-9cf6-b292aef4452c/jupyter_notebook_config.py --NotebookApp.iopub_data_rate_limit=10000000000.0

	at t.JupyterConnectionWaiter.rejectStartPromise (/root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:362874)
	at t._error (/root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:363504)
	at t.__tryOrUnsub (/root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:3289560)
	at t.error (/root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:3288969)
	at t._error (/root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:3287854)
	at t.error (/root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:3287548)
	at t.error (/root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:3285054)
	at /root/.vscode-server/extensions/ms-toolsai.jupyter-2022.3.1000901801/out/extension.js:2:800069] {
  category: 'jupyterconnection'
}

报错中主要的有用信息为：Running as root is not recommended. Use --allow-root to bypass.

所以有两种解决方案：

1. 使用非 root 用户连接到远程的服务器上进行开发
2. 使用 root 用户运行 jupyter

在 vscode-jupyter 中，支持为 jupyter 添加命令行参数，需要在 vscode 的 settings.json 中进行配置。
如下步骤：

按 Ctrl +Shift + P 打开 vscode 的命令面板，输入 settings.json，选择 Open Settings (JSON):

在打开的配置文件中，末尾添加 jupyter 命令行参数配置：

...
    "jupyter.jupyterCommandLineArguments": [
        "--allow-root"
    ]
...

注意格式，不要忘了在上一行的配置后面添加逗号。

修改完配置后，vscode 右下角会提示重新加载。

按照提示重新加载编辑器后即可正常使用。

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