Make disk completely read-only?

[Christian Laursen]

On 07/24/12 18:06, Sam Zehr wrote:
> Hi, this is Sam again, working on making a USB flash drive in FreeBSD 9.0
> _completely_ read-only.
>
> Disk is mounted read-only - fstab has ro,noatime
>
> Following some advice from the list, I've done some binary compares to see
> what is going on. It looks like only a few bytes are changing every time I
> reboot, they seem to correspond with the superblock locations - I would
> guess a timestamp of mount time?

Try adding this line to rc.conf:

root_rw_mount="NO"

-- 
Christian Laursen