On 1/15/23 21:54, Ralph Ronnquist wrote:
> On Sun, Jan 15, 2023 at 09:28:12PM -0700, Fred wrote:
>> ...
>> I haven't used chroot before and the man page doesn't seem very helpful. Do
>> you mean to boot the image in a chroot directory? Would it not just ask for
>> the password again? Long ago, on Solaris 2.6 I had to regain a root
>> password by deleting a field in maybe /etc/shadow or something I don't
>> remember.
>
> Ok.
>
> First you may need to make youru system "multi-arch" so that you can
> seamlessly run armhf binaries. This one is good info:
> https://wiki.debian.org/Multiarch/HOWTO
>
> 1# dpkg --add-architecture armhf
> 2# apt-get update
>
> Next you mount the filesystem, which you can do in different ways,
> E.g., find out the sector offset for the partition and use that as an
> offset for a loop mount command:
>

> 3# mkdir FS
> 4# fdisk -l devuan_beowulf_3.1.0_armhf_rpi2.img
> ...
> Device                               Boot  Start     End Sectors  Size Id Type
> devuan_beowulf_3.1.0_armhf_rpi2.img1 *      2048  524287  522240  255M  b W95 FAT32
> devuan_beowulf_3.1.0_armhf_rpi2.img2      524288 3808592 3284305  1.6G 83 Linux

>
> 5# mount -ooffset=$((524288&*512)) devuan_beowulf_3.1.0_armhf_rpi2.img FS
>
> Now you can chroot and execute the passwd program for root within that
> filesystem:
>
> 6# chroot FS passwd
>
> (set the password to your liking)
>
> The last step would be to unmount the filesystem:
>
> 7# umount FS
>
> Now that filesystem has your password. You may of course do other
> things at #6, e.g. add users etc. If you run "chroot FS /bin/bash" it
> gives you a shell in the context of that filesystem.
> Dont forget to exit and unmount when done.
>
> Ralph.
>
>
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Hi,
I found another devuan repository of arm files and downloaded a chimaera
image with today's date on it. The same README.txt file I have been
using was there also. It turns out the user name and password are
devuan, devuan. I guess it is obvious now. So, I am logged in now and
the problem is solved. Thanks very much for the help!
Best regards,
Fred