[CentOS] GRabbing MAC address
Les Mikesell
lesmikesell at gmail.com
Thu Feb 28 14:13:17 UTC 2008
Jerry Geis wrote:
> I am trying to grab the mac address for eth0 on centos 5.1 with
>
> ifconfig | grep eth0 | cut -d ' ' -f 5 and I dont get anything.
>
> What am I not doing right?
>
> ifconfig | grep eth0 | cut -d ' ' -f 1 gives me eth0 but anything else
> like -f 2, -f 3 etc
> I get nothing.
>
If sed had been invented first, we wouldn't need grep.
ifconfig |sed -n -e 's/eth0.*\(..:..:..:..:..:..\)/\1/p'
--
Les Mikesell
lesmikesell at gmail.com
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