Key codes -i http://pypi.douban.com/simple –trusted pypi.douban.com netstat -tunlp | grep 端口号

1

conda create --prefix=/users/.../yourEnvName python=x.x

python - Equation numbering in Jupyter notebooks - Stack Overflow

To find kernel in web Jupyter Notebook

conda install -y ipykernel
python -m ipykernel install --user --name myenv

GitHub - rbenv/rbenv: Manage your app's Ruby environment