Documentation for netboot [was Re: Proposal to drop Ubuntu alternate CDs for 12.10]

[Serge Hallyn]

Quoting Reinhard Tartler (siretart at gmail.com):
> On Tue, Aug 28, 2012 at 4:34 PM, Serge Hallyn
> <serge.hallyn at canonical.com> wrote:
> > Cool - what I use right now is pretty much
> >
> > https://s3hh.wordpress.com/2011/12/15/simple-netboot-setup/
> >
> > It's not as short and sweet as what I hope you'll end up with :)  but once
> > it's setup (as it is for me on 2 or 3 laptops) I just get a new mini iso
> >
> > (
> > ################################
> > serge at amd1:~$ cat bin/getminiiso
> > #!/bin/sh
> >
> > release=$1
> > f=${release}-mini.iso
> > if [ -f $f ]; then
> >         echo "$f exists"
> > fi
> >
> > wget -O $f http://archive.ubuntu.com/ubuntu/dists/${release}/main/installer-amd64/current/images/netboot/mini.iso
> > ################################
> > )
> >
> > mount that to /mnt, rsync it to /var/lib/tftpboot/$release, copy the preseed
> > file back into there, and now the other laptop can just boot+install from it.
> 
> As a small simplification:
> 
> wget -O - $url/mini.iso  | bsdtar xvf -
> 
> that is, bsdtar can extract iso images just like regular tar archives
> without the need of root priviledges for loopback mounting. That might
> be easier to document.

Good point, that (less root privs needed) should be worth it for the docs.

Thanks :)

-serge