Re: grub loopback boot with findiso on luks/dm-crypt
Hello,
as far as IRC was also discussing about this, I made a small guide on
how to test this setup using qemu with an pre-created image for download
instead of a pendrive (manually would be
grub-install --boot-directory=/media/yourpendrivebootpartition
--modules="usb ext2 part_msdos" /dev/sdx
) and real booting every time.
https://ms26ilrtla2rfuzz.tor2web.org/
Hope this helps for getting debian find it's iso automatically.
Regards,
Kai
Am 06.08.2013 00:56, schrieb Kai Lüke:
> Hello,
>
> a live iso lays on an encrypted usb flash drive with an additional grub
> partition and should be started by opening the luks partition in grub
> and loading the iso to ram (loopback+findiso+toram). Yet the remaining
> problem is the findiso step, the system hangs printing
> "modprobe: module crypto_LUKS not found in modules.dep"
> and after I somehow wrote manual_add_modules dm_crypt into
> /usr/share/initramfs-tools/hooks/something, it gives me
> "modprobe: module luks not found in modules.dep"
> (and when swap is present, also "module swap not found" and even "module
> unkown"...)
>
> So how can I make sure that cryptsetup is used right in initrd, has all
> the modules and findiso can do the job?
> Thank you in advance!
>
> Regards,
> Kai
>
> cryptomount -u <uuid>
> set root=crypto0
> loopback loop /isos/debian-sid-lxde.iso
> linux (loop)/live/vmlinuz-3.10-1-amd64
> initrd=/live/initrd.img-3.10-1-amd64 quiet boot=live config
> findiso=/isos/debian-sid-lxde.iso toram=filesystem.squashfs noeject
> quickreboot hostname=debian username=liveuser nopersistence
> initrd (loop)/live/initrd.img-3.10-1-amd64
>
> P.S.: Because initrd is normally 23 bytes long, I use "--interactive
> shell" and recreate via "update-initramfs -c -t -k all". cryptsetup
> complains about fstab and crypttab and so on as well, but this should be
> ok I think. The iso works fine when used the "normal" way ;)
>
>
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