jupyter python_Jupyter Notebook支持多python版本

Jupyter notebook里的代码有py2.7也有py3.0的，本文讲解如何使Jupyter同时支持多个python版本（python2.7.5 + python3.6.2）。

#cenos7默认安装了python2.7.5

[work@mars ~]$ python -V

Python 2.7.5

#安装python3依赖

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make -y

#安装python3

wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xz

tar -xvJf Python-3.6.2.tar.xz

cd Python-3.6.2

./configure prefix=/usr/local/python3 #指定安装位置

su root

make && make install

#添加软链

ln -s /usr/local/python3/bin/python3 /usr/bin/python3

ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

#检查版本

[root@mars ~]# python3 -V

Python 3.6.2

[root@mars ~]# pip3 install --upgrade pip

#安装常用python3 lib

[work@mars ~]# sudo pip3 install ipykernel numpy joblib keras tensorflow matplotlib pydot

#Jupyter注册python3内核

[work@mars jupyter]$ python3 -m ipykernel install --user

Installed kernelspec python3 in /home/work/.local/share/jupyter/kernels/python3

刷新jupyter，查看可选的kernel，会多出python3选项：

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