[CentOS] DNS params on ifcfg-eth files

>   i am using a laptop for my work. When i need to go to some customers
> I need to change my tcp/ip configuration every time (phisical
> interface and wirelss interface). Most of them do not have a dhcpd
> server on their networks, and i need to this changes by hand. For this
>   pourpose i make some scripts to do this changes automatically.

carlo,
i used to have this same problem and simply added an update of
/etc/resolv.conf to my script.  dhcpcd updates this anyway when you
are on a dhcp network, so it's not much of a munge.

Matt Frye