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修改mac地址

赵斌 2009年08月15日星期六 01:08 | 941次浏览 | 0条评论

原文通过blogbus2zeuux工具同步发布:http://antmanler.blogbus.com/logs/43836748.html

文章发布时间:2009/3/26/9/13

10楼机房绑定了mac地址，带本的同学就不能享受高速的教育网，所以写了个脚本改mac地址
语法
sudo ./chmac
如果不指定新地址，默认恢复旧地址：

  
   #!/bin/sh
  
   # change MAC address
  
   # Author : Bin Zhao
  
   macnew
  
   =
  
   $1
  
   fis
  
   =
  
   "${HOME}/.chmac"
  
   if
  
   [
  
   ! -e
  
   "$fis"
  
   ]
  
  ;
  
   then
  
   # save the old mac address in file
  
   echo
  
   "Here"
  
   oldmac
  
   =
  
   `
  
   LC_ALL
  
   =
  
   C ifconfig eth0 | grep HWaddr | awk
  
   '{print $5}'
  
   `
  
   echo
  
   $oldmac
  
   >>
  
   $fis
  
   fi
  
   # there is no parameter, so change the old back
  
   if
  
   [
  
   ! -n
  
   "$macnew"
  
   ]
  
  ;
  
   then
  
   # get old mac
  
   macnew
  
   =
  
   `
  
   cat
  
   ${
  
   fis
  
   }
  
   `
  
   fi
  
   # 1. shutdown the device
  
   sudo /sbin/ifconfig eth0 down
  
   # 2. change the mac address
  
   sudo /sbin/ifconfig eth0 hw ether
  
   $macnew
  
   # 3. restart the device
  
   sudo /sbin/ifconfig eth0 up
  
   echo
  
   "Succeed to change you MAC address to ${macnew}"

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