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Generate a correct mac addr.

$ od -An -N6 -tx1 /dev/urandom |sed -e 's/^ *//' -e 's/ */:/g' -e 's/:$//' -e 's/^\(.\)[13579bdf]/\10/' 1) The last sed expression ensures the unicast/multicast bit is set to zero 2) The greedy space replacements are for portability across UNIX seds View this command to comment, vote or add to favourites View all commands by wuseman1 Diff your entire server config at ScriptRock.com