Anaconda( different versions) configuration in ubuntu 14

Ubuntu Anaconda envs 

1.安装自己经常使用的Anaconda版本

sh ./Anaconda3-5.0.1-Linux-x86_64.sh

2. 默认安装到 /home/usr/anaconda3下面，在anaconda3文件夹下面创建envs文件夹

cd /home/usr/anaconda3
mkdir envs

3. 在envs创建文件夹名字为py2

cd envs
mkdir py2

4.安装Anaconda2和配置

$ sh Anaconda2-5.0.1-Linux-x86_64.sh -b -p $HOME/anaconda3/envs/py2
$ rm -f $HOME/anaconda2/envs/py3/bin/conda*
$ rm -f $HOME/anaconda2/envs/py3/conda-meta/conda-*
$ rm -f $HOME/anaconda2/envs/py3/bin/activate
$ rm -f $HOME/anaconda2/envs/py3/bin/deactivate
$ cd $HOME/anaconda2/envs/py3/bin
$ ln -s ../../.sh/bin/conda .
$ ln -s ../../../bin/activate .
$ ln -s ../../../bin/deactivate .

5.Anaconda安装的环境，使用conda environment info 命令来查看

6. 激活py2和取消

source activate py2
source deactivate py2

7. 更新软件或者安装指定版本的软件

$ conda update python
$ conda install python=3.6

Windows python version list and switch method

1. list all python version in envs

conda info --envs

2. switch different verison python

activate py2
deactivate