Linux + Python: Script para checar o status dos seus sites

#!/usr/bin/env python
# -*- coding: utf-8 -*-
 
import httplib
import pynotify
 
def display_message(title, message):
    if pynotify.init('Website Status'):
        n = pynotify.Notification(title, message)
        n.show()
 
def check_status(*websites, **kwargs):
    timeout = kwargs.get('timeout', 5)
    for website in websites:
        conn = httplib.HTTPConnection(website, timeout=timeout)
        try:
            conn.request('GET', '/')
            response = conn.getresponse()
            if response.status != 200:
                raise Error()
        except:
           display_message(website, 'Web site could not be reached!')
 
if __name__ == '__main__':
    check_status('www.awebsite.com', 'www.anotherwebsite.com')

*/5 * * * * /path/to/script.py