Manual/Wiki or other documentation for PXE install mainly install.cfg?

Kimi kimimeister at
Mon Jan 21 08:38:33 PST 2008

On 21/01/2008, Drew Weaver <drew.weaver at> wrote:
>         Would have been, or would be nice if they could make an alias to 'the first Ethernet controller' (i.e. eth0). So that you could reference it in such a way when there is only a single Ethernet controller in a machine.

ifconfig fxp0 name eth0 ?

man pages is your friend

> -Drew
> -----Original Message-----
> From: Royce Williams [mailto:royce at]
> Sent: Monday, January 21, 2008 11:08 AM
> To: Drew Weaver
> Cc: 'freebsd-stable at'
> Subject: Re: Manual/Wiki or other documentation for PXE install mainly install.cfg?
> Drew Weaver wrote, on 1/21/2008 5:08 AM:
> > Hi there, I've seen about a dozen different example files for the
> > install.cfg used to feed sysinstall automatic configuration data
> > for pxe installations but I cant figure out where people are
> > getting the options they're using from.
> >
> > Is there a manual, wiki or otherwise documentation on what is
> > "valid" to put into this file?
> Not that I'm aware of, other than the source itself.
> > Also is this file at all scriptable?
> Not that I am aware of.
> > We would like to be able to use the same install.cfg on all of our
> > machines but some of them have different NICs (i.e.) some have rl0,
> > fxp0 can we use if statements to detect?
> What I've seen most people doing is using the post-install features to
> call a script after everything else is done.  Unfortunately, this
> doesn't give you scriptable control over the NIC used.
> I pregenerate an appropriate install.cfg based on system type, and
> then create a DHCP group (I use isc-dhcpd) for all MACs of that type.
>  I associate that group with a slightly different nfsroot (containing
> the appropriate config file) for that family of machine.  It's not
> pretty, but it works.
> > Thanks in advance for any tips/tricks!
> I found this post by Ceri Davies to be helpful:
> Royce
> --
> Royce D. Williams                                - IP Engineering, ACS
>                   - PGP: 3FC087DB/1776A531
>    It is vain to do with more what can be done with fewer. - Occam
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