python 利用virtualenv搭建虚拟环境

环境：centos6.3
版本：python2.6

安装python3

cd /home
wget https://www.python.org/ftp/python/3.4.8/Python-3.4.8.tar.xz
tar -Jxvf Python-3.4.8.tar.xz
cd Python-3.4.8
mkdir /usr/local/python3.4.8
./configure --prefix=/usr/local/python3.4.8/
make
make install

安装pip

wget https://bootstrap.pypa.io/get-pip.py
python get-pip.py

安装virtualenv

pip install virtualenv

使用virtualenv

virtualenv envpy3 -p /usr/local/python3.4.8/bin/python3.4
source envpy3/bin/activate ##激活虚拟环境
deactivate ##退出