jupyter notebook安装多个内核

2020年12月15日 08:48 by wst

anaconda

jupyter notebook是一个不错的工具,特别是对于科学工作者而言。

交互式的操作特别方便,而且能形成好看的文档(ipynb)。

 

那么问题来了:

1. 怎么创建我想要的虚拟环境?

2. 我创建了多个虚拟环境,怎么在notebook中启用呢?

 

下面我们根据这两个问题进行阐述:

创建虚拟环境

安装虚拟环境我一般采用anaconda,因为方便。

不会安装的请自行百度,或者参见这里

具体安装命令:

conda create --name opencv python=3.7

 opencv为环境名称,3.7为要装的python的版本。

Notebook中启用虚拟环境

1. 激活虚拟环境:

# windows
activate opencv
# Linux
conda activate opencv

2. 在虚拟环境中安装ipykernel(在上一步的基础上)

pip install ipykernel

3. 启动notebook

jupyter notebook

4. 根据提示(或自动跳转)打开浏览器,截图如下:

 

后记:

刚开始尝试手动安装kernel,未达到理想效果。以上内容为作者经过多次尝试总结的结果。

若以上步骤无效,执行以下命令后再查看notebook。

conda install nb_conda

 


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