Using Python to automatically modify native gateway code sharing under Linux

This article mainly introduces the Linux use Python to automatically modify the native gateway code sharing, this article directly gives the implementation code, the need for friends can refer to the following

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#!/usr/bin/python #auto Change Gateway Created by Mickelfeng import os import random,re g= ' Gateway 192.168.1. ' Rand=random . Randint (1,3) test= ' www.baidu.com ' command= '/etc/init.d/networking restart ' GW = '%s%d '% (g,rand) pingtest = ' Ping-c 3 ' + Test Try:result=os.system (pingtest) Print result if Result!=0:data = open ('/etc/network/interfaces '). Read () data = RE.S UB (' Gateway 192.168.1.* ', GW, data) open ('/etc/network/interfaces ', ' WB '). Write (data) os.system (command) Os.system ( command) Except:pass