Re: installing debian 10 without a cd and without usb but could use ethernet

[Brian <ad44@cityscape.co.uk>]

On Thu 21 Jan 2021 at 09:34:56 -0800, Dan Hitt wrote:

> On Thu, Jan 21, 2021 at 3:33 AM Brian <ad44@cityscape.co.uk> wrote:
> 
> > On Wed 20 Jan 2021 at 20:31:53 -0800, Dan Hitt wrote:
> >
> > [...]
> >
> > >     menuentry "debian-10-iso" {
> > >         set isofile="/USER/iso/debian-10.7.0-amd64-xfce-CD-1.iso"
> > >         loopback loop (hd0,gptNN)$isofile
> > >         linux (loop)/install.amd/vmlinuz boot=install.amd
> > > iso-scan/filename=$isofile noprompt noeject
> > >         initrd (loop)/install.amd/initrd.gz
> > >     }
> >
> > This technique is doomed to failure. debian-10.7.0-amd64-xfce-CD-1.iso
> > needs to be mounted when it is found. However, the installer's initrd
> > does not contain a loop module, so this is not possible.
> >
> > David Wright's advice to use the hd-media kernel and initrd is your way
> > forward. The simplest GRUB stanza possible is
> >
> >    menuentry 'Debian 10' {
> >    linux /boot/vmlinuz
> >    initrd /boot/initrd.gz
> >    }
> >
> > --
> > Brian.
> >
> >
> Brian, thanks so much for your advice.  Thank you also Felix, David, and
> Bastien --- i need to study what you have all written.
> 
> However, Brian's final stanza is so simple that i can ask a question about
> it immediately.
> 
> And that is: how can grub2 or any other software know what partition
> '/boot' refers to?

You said originally:

  > I have a machine that currently has linux mint 16.04 on it

I assummed that that this was the only partition and that vmlinuz and
initrd.gz would go in /boot. How many partitions do you have?

> So i presume that in this very very short stanza you provide, there will
> also have to be a search line like David has (search --no-floppy ......) to
> identify just where '/boot' is (???).

With more than one partition: David's suggestion is more or less
obligatory.

-- 
Brian.