CentOS6.7安装python的virtualenv环境
安装virtualenv，可以虚拟多个python版本的环境1、安装epel源
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# yum install epel-release -y
2、安装python-virtualenv
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# yum install python-virtualenv -y
3、创建virtualenv环境
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# mkdir ~/.virtualenv
# virtualenv --python=/home/python27/bin/python pyweb
Running virtualenv with interpreter /home/python27/bin/python
New python executable in pyweb/bin/python
Installing Setuptools..............................................................................................................................................................................................................................done.
Installing Pip.....................................................................................................................................................................................................................................................................................................................................done.
# source ./pyweb/bin/activate
(pyweb)#
(pyweb)#
#出现（pyweb）说明你已经进入虚拟环境了
#进入虚拟环境
#source ~/.virtualenv/pyweb/activate
#
#退出虚拟环境
(pyweb)# deactivate
#
(pyweb)# python --version
Python 2.7.11
(pyweb)#
(pyweb)# deactivate
# virtualenv pyweb1
New python executable in pyweb1/bin/python
Installing Setuptools..............................................................................................................................................................................................................................done.
Installing Pip.....................................................................................................................................................................................................................................................................................................................................done.
#
# source pyweb1/bin/activate
(pyweb1)# python --version
Python 2.6.6
(pyweb1)#
#完成了！
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