安裝setuptools
[root@local-nginx-29 ~]# yum install python-setuptools python-devel
pip
[root@local-nginx-29 ~]# easy_install pip
安裝 virtualenv
[root@local-nginx-29 ~]# pip install virtualenv
[root@local-nginx-29 ~]# yum install python-setuptools python-devel
[root@local-nginx-29 ~]# easy_install pip
[root@local-nginx-29 ~]# pip install virtualenv