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Re: Changing disk image boot options without root privileges

On Sun, Apr 16, 2017 at 01:48:30PM +0300, Andreas Gustafsson wrote:
> Hi all,
> The script has a "live-image" target, but the resulting live
> images are not being systematically tested.  I would like to set up
> automated tests for them, but I'm stuck on the issue below.
> The i386 and amd64 live images are configured to use the PC VGA
> console, but for the automated tests, I need a serial console.
> I can fix that using vnconfig and installboot like this:
>   vnconfig vnd0 NetBSD-7.99.1-amd64-live-wd0root.img
>   installboot -e -o console=com0 /dev/vnd0a
>   vnconfig -u vnd0
> but the problem is that it requires root privileges, which the
> automated test infrastructure doesn't (and shouldn't) have.
> Is there a way to accomplish this without being root?  Maybe
> using rump?

How is the image made bootable in an unprivileged build ?
The same can probably be used to change the boot option.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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