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Message-ID: <20120328032151.GC945@gremlin.ru>
Date: Wed, 28 Mar 2012 07:21:51 +0400
From: gremlin@...mlin.ru
To: owl-users@...ts.openwall.com
Subject: Re: Customizing Owl to fit in a small sized USB Stick or CF
On 26-Mar-2012 12:48:05 +0400, Solar Designer wrote:
> > > Gremlin had patches to add a new make target that would
> > > generate flash images instead of ISOs. I think those were
> > > primarily intended for installing systems from, and they
> > > were for larger flash devices (1 GB being considered the
> > > minimum anyone would likely happen to have handy anyway).
> > Great info. Do you mean this one:
> > ftp://ftp.gremlin.people.openwall.com/pub/linux/Owl/INSTALL/?
> Almost. IIRC, Gremlin also produced a patch to our Owl/build/
> tree to automatically generate flash images like that.
Not yet. There was only /etc/lilo-flash.conf file for booting
from a flash device.
> Gremlin, please post that patch to owl-dev now such that we
> could refer to it at least.
It's small and may be useful for many people, so here it is:
==== /etc/lilo-flash.conf ====
boot=/dev/sdh
read-only
lba32
prompt
timeout=600
menu-title="Openwall GNU/*/Linux boot menu"
menu-scheme=kw:Wk:kw:kw
append="rootdelay=10 panic=10"
image=/boot/vmlinuz
root=/dev/sda1
label=sda
# ...
image=/boot/vmlinuz
root=/dev/sdh1
label=sdh
==== /etc/lilo-flash.conf ====
Install it with `chroot /owl lilo -C /etc/lilo-flash.conf -b /dev/sde`
(or whatever is your flash device).
> > With ZFS on Linux (ZoL) and BTRFS in the horizon, it seemed
> > as such a script would be nice to separate OS from the data.
> > With ro CF/USB with an encrypted data volume implemented in
> > Owl would indeed be awesome!
> Owl already supports encryption for loopback devices, so you can
> use an encrypted ext4 filesystem with it currently (with our
> pre-built kernels and tools).
Yes, `losetup -e twofish -k 256 /dev/loop0 /dev/md0` works just fine.
> Meanwhile, we support DRBD in our kernel builds (and we need
> to add the corresponding userspace tools to Owl), and we may
> add support for some additional filesystems that are already
> supported on Linux. BTW, of the less common ones, I'd consider
> POHMELFS.
Why not GFS?
--
Alexey V. Vissarionov aka Gremlin from Kremlin
<gremlin ПРИ gremlin ТЧК ru>
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