随机生成MAC地址的小脚本

mac-gen

#!/bin/sh
exec 2>/dev/null
dd if=/dev/urandom bs=1 count=6 | od -t x1 | sed ’2d;s/^0\+ //;s/ /:/g’

运行效果

dell:/etc/xen $ mac-gen
e2:5b:d2:7c:08:d3

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