在centos上安装django，应该有3种方法，pip、git、源代码编译安装。
pip安装比较单，步骤如下：
1、下载
mkdir /install/django
cd /install/django
wget https://bootstrap.pypa.io/get-pip.py
--2015-06-25 11:29:12-- https://bootstrap.pypa.io/get-pip.py
Resolving bootstrap.pypa.io... 103.245.222.175
Connecting to bootstrap.pypa.io|103.245.222.175|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1421845 (1.4M) [text/x-python]
Saving to: “get-pip.py”
100%[===================================================================================>] 1,421,845 21.4K/s in 74s
2015-06-25 11:30:30 (18.7 KB/s) - “get-pip.py” saved [1421845/1421845]
2、get-pip安装
python get-pip.py
For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
Downloading pip-7.0.3-py2.py3-none-any.whl (1.1MB)
100% |████████████████████████████████| 1.1MB 19kB/s
Collecting setuptools
Downloading setuptools-18.0.1-py2.py3-none-any.whl (461kB)
100% |████████████████████████████████| 462kB 30kB/s
Collecting wheel
Downloading wheel-0.24.0-py2.py3-none-any.whl (63kB)
100% |████████████████████████████████| 65kB 15kB/s
Collecting argparse (from wheel)
Downloading argparse-1.3.0-py2.py3-none-any.whl
Installing collected packages: pip, setuptools, argparse, wheel
Successfully installed argparse-1.3.0 pip-7.0.3 setuptools-18.0.1 wheel-0.24.0
3、pip安装django
pip install Django==1.6
Collecting Django==1.6
/usr/lib/python2.6/site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
Downloading Django-1.6-py2.py3-none-any.whl (6.7MB)
100% |████████████████████████████████| 6.7MB 7.8kB/s
Installing collected packages: Django
Found existing installation: Django 1.8.2
Uninstalling Django-1.8.2:
Successfully uninstalled Django-1.8.2
Successfully installed Django-1.6
如果先下载过别的版本，这里就会出现清理的信息。这里就是清理以前安装过的1.8.2版本。
4、验证一下版本
python -c "import django; print(django.get_version())"
1.6