All Raspbian images have a serial console prepared to just enable it, but it isn't enabled out of the box. You have to add this line to /boot/config.txt:
The file config.txt is stored on the boot partition of Raspbian that is formated as fat so you can modify it on nearly all other computer with different operating systems. Attach the flashed ...
You should be able to use Qemu User Emulation to accomplish this via chroot. Its a similar sort of setup to debootsrapping a foreign arch but you'll already have the OS installed.
This assumes your host is Debian based - i'd assume the Qemu stuff is available on other distros though.
Important steps from the Debian Wiki
sudo apt-get install qemu binfmt-...
There is no new information in this answer. I'm adding it only to connect this question and its answers with a recent question asked (and answered) here. I believe both questions, and their answers, are related, and will be of interest to those looking for solutions for creating a back up of their RPi systems.
EDIT: NOTE - A new answer in this topic also ...
Firstly the Pi DOES NOT use "ISO"
There should be no significant difference between a downloaded OS image and one produced by dd assuming you did it correctly.
To be clear an image of a working OS will be significantly larger than a downloaded image because it will be expanded on use.
Done correctly the dd will be the size of the SD Card, and because even ...
From picamera.readthedocs.io, 5.11. Raw Bayer data captures :
Bayer data consists of 10-bit values, because this is the sensitivity
of the OV5647 sensor used by the Pi’s camera. The 10-bit values are
organized as 4 8-bit values, followed by the low-order 2-bits of the 4
values packed into a fifth byte.
You can read this code for an example of raw ...