1、系统信息性能模块：psutil
源码安装：
wget https：//pypi.python.org/packages/source/p/psutil/psutil-2.0.0.tar.gz --no-check-certificate
tar -xzvf psutil-2.0.0.tar.gz
cd psutil-2.0.0
python setup.py install
安装报错：
yum install gcc libffi-devel python-devel openssl-devel
2、IP地址处理模块IPy
wget https：//pypi.python.org/packages/source/I/IPy/IPy-0.81.tar.gz --no-check-certificate
tar -zxvf IPy-0.81.tar.gz
cd IPy-0.81
python setup.py install
3、DNS处理模块dnspython
wget http：//www.dnspython.org/kits/1.9.4/dnspython-1.9.4.tar.gz
tar -zxvf dnspython-1.9.4.tar.gz
cd dnspython-1.9.4
python setup.py install