Use python to automatically modify local gateway code in Linux

Use python to automatically modify local gateway code in Linux

This article mainly introduces how to use python to automatically modify the local gateway code in Linux. This article provides the implementation code directly. For more information, see

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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. sub ('Gateway 192.168.1. * ', GW, data) Open ('/etc/network/interfaces', 'wb'). write (data) OS. system (command) OS. system (command) Except t: Pass