###yum:
MySQL-python
gcc
python-devel
shellinabox

###pip:
django==1.4.20 PyYAML
gevent
paramiko
pexpect
pycrypto

###注:

1. WEB端服务器需要和center_server建立SSH的KEY登录

2. 升级到1.8.13需要修改log：
   #from django.utils.log import logger
   import logging
   logger = logging.getLogger(__name__)