On Tue, 16.04.13 11:00, Kok, Auke-jan H (auke-jan.h....@intel.com) wrote:
>
> On Tue, Apr 16, 2013 at 12:11 AM, Koen Kooi <k...@dominion.thruhere.net>
> wrote:
> > Hi,
> >
> > To help with flashing the onboard eMMC of a 100000 boards I'm using
> > systemd-nspawn to run package postinstall scripts that generate UUIDs and
> > some other things and it's working great for that! Every board now has a
> > unique value in /etc/machine-id instead it being empty and systemd
> > randomizing it on startup.
> >
> > What doesn't work however is something like this:
> >
> > systemd-nspawn -D ${PART2MOUNT} /usr/bin/timedatectl set-timezone
> > Europe/Paris
> >
> > or this:
> >
> > systemd-nspawn -D ${PART2MOUNT} /usr/bin/hostnamectl set-hostname
> > BeagleBoneBlack
> >
> > I know I can run the lowlevel 'ln -sf <zoneinfo> /etc/timezone' or echo the
> > name into /etc/hostname, but I'd like to use the *ctl commands because they
> > work and have error handling built-in.
> > it looks like I would need -b to get the *ctl commands to work, but -b
> > doesn't support running single commands and exiting.
> >
> > My goal is to be able to drop in a rootfs tarball and change timezone and
> > hostname settings in a config file for the flasher script and avoid
> > generating N different tarballs. For use in the office lab I use something
> > like [1] to generate the hostnames based on board revision and serial
> > number.
> >
> > So, is there a way to *ctl command using systemd-nspawn in a rootfs that
> > wasn't specially prepared (e.g. helper units/targets) for that?
>
> crazy thought, but, for completeness, there should probably be
> equivalent handling of init=/path/to/alternative/init in
> systemd-nspawn
Hmm? This always worked:
systemd-nspawn -D /my/root/dir /sbin/init
systemd-nspawn -D /my/root/dir /usr/lib/systemd/systemd
If you want nspawn to automatically find the right init, then use
"-b". But without that you do have to specifiy the command that is
supposed to be your PID 1.
Lennart
--
Lennart Poettering - Red Hat, Inc.
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