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Building Disk Image (on OpenBSD)

Creating Disk Image

$ dd if=/dev/zero of=kouji.img bs=1K count=10240
# vnconfig vnd3 kouji.img

Installing an MBR on the Disk Image

# fdisk -iy vnd3

Creating Root Slice on the Disk Image

# echo "a\n\n\n\n\nw\nq\n" | disklabel -E vnd3

Creating UFS on the Root Slice

# newfs /dev/rvnd3a

Mount the Root Slice

# mount /dev/vnd3a /mnt

Install Bootloader on the Disk Image

# install -d /mnt/usr/mdec
# install -o root -g bin -m 0555 obsd32/usr/mdec/{biosboot,boot} /mnt/usr/mdec
# installboot -r /mnt vnd3

Copyright © 2021 - 2022 Mohamed Aslan
Last updated: January 18, 2022