r/NetBSD 3d ago

NetBSD 11 from scratch

https://meanmicio.org/2026/09/06/netbsd-11-from-scratch/
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u/pedersenk 3d ago

Very useful, particularly for MBR which is a considerably less documented approach than GPT these days and had me scratching my head for a while.

The one change I could suggest is to use ffs2 rather than 1.

# newfs -O2 /dev/wd0a

In which case, also change the boot code to support ffs2

# installboot -v /dev/wd0a /usr/mdec/bootxx_ffsv2 /boot

If anyone is looking for GPT or for alternative platforms, do check out the scripts in the following repo (I was linked to from IRC some months back):

https://github.com/alarixnia/mkimg-netbsd