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Preseeding the Debian Install: how do you disable the CDROM-detect from running, I'm installing from loop/ISO - also shared/enter_device etc?

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  Preseeding the Debian Install: how do you disable the CDROM-detect  from running, I'm installing from loop/ISO - also shared/enter_device etc? Veek M <vek.m1234@gmail.com> - 2018-10-14 18:40 +0200
    Re: Preseeding the Debian Install: how do you disable the  CDROM-detect from running, I'm installing from loop/ISO - also  shared/enter_device etc? Brian <ad44@cityscape.co.uk> - 2018-10-14 20:40 +0200

#201224 — Preseeding the Debian Install: how do you disable the CDROM-detect from running, I'm installing from loop/ISO - also shared/enter_device etc?

How do you disable the 'Detect and Mount CD-ROM' when preseeding via
grub cmdline.

I do:
loopback loop0 (hd0,3)/files/debian_9.5-amd64-DVD-1.iso
linux (loop0)/install.amd/vmlinuz locale=en_GB.UTF-8 etc...
initrd (loop0)/install.amd/initrd.gz

after pressing 'c' in GRUB

I get the very annoying cdrom-detect program running which prompts me
to insert a CD. Since this is a ISO install, I want to skip that.

Additionally, I am trying to preseed.cfg from
(hd0,3)/files/preseed.cfg and this does not work because /hd-media is
not created or mounted - how do i fix this?

Also, what's the purpose of shared/ask_device
and shared/enter_device
I couldn't find docs for this

Basically what I'm TRYING TO do is, use ONE USB to store the ISOs and
preseed.cfg (sdb3), and install to another partition (either sdb1 or
sdb2 depending on what I can get away with)
[usually you extract the ISO to sdb1 and manually shove the
pressed.cfg in there, AND THEN install to sdb2]

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#201232 — Re: Preseeding the Debian Install: how do you disable the CDROM-detect from running, I'm installing from loop/ISO - also shared/enter_device etc?

On Sun 14 Oct 2018 at 21:50:22 +0530, Veek M wrote:

> How do you disable the 'Detect and Mount CD-ROM' when preseeding via
> grub cmdline.
> 
> I do:
> loopback loop0 (hd0,3)/files/debian_9.5-amd64-DVD-1.iso
> linux (loop0)/install.amd/vmlinuz locale=en_GB.UTF-8 etc...
> initrd (loop0)/install.amd/initrd.gz
> 
> after pressing 'c' in GRUB
> 
> I get the very annoying cdrom-detect program running which prompts me
> to insert a CD. Since this is a ISO install, I want to skip that.

I wonder whether there is such an option. It does not make sense in the
context of a netinst image.

> Additionally, I am trying to preseed.cfg from
> (hd0,3)/files/preseed.cfg and this does not work because /hd-media is
> not created or mounted - how do i fix this?

Probably by not using GRUB's loop facility.

> Also, what's the purpose of shared/ask_device
> and shared/enter_device
> I couldn't find docs for this

Documentation is in the Templates file of the iso-scan udeb. It's the
best you will get.

> Basically what I'm TRYING TO do is, use ONE USB to store the ISOs and
> preseed.cfg (sdb3), and install to another partition (either sdb1 or
> sdb2 depending on what I can get away with)
> [usually you extract the ISO to sdb1 and manually shove the
> pressed.cfg in there, AND THEN install to sdb2]

Parts of

  https://wiki.debian.org/Installation+Archive+USBStick

could be of help.

-- 
Brian.

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