On Tue, Apr 16, 2013 at 09:11:51AM +0200, Koen Kooi 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 ${PART2MOUNT} /usr/bin/hostnamectl set-hostname > BeagleBoneBlack > > I know I can run the lowlevel 'ln -sf <zoneinfo> /etc/timezone' or echo the > name into /etc/hostname, but I'd like to use the *ctl commands because they > work and have error handling built-in. > it looks like I would need -b to get the *ctl commands to work, but -b > doesn't support running single commands and exiting. > > My goal is to be able to drop in a rootfs tarball and change timezone and > hostname settings in a config file for the flasher script and avoid > generating N different tarballs. For use in the office lab I use something > like [1] to generate the hostnames based on board revision and serial number. > > So, is there a way to *ctl command using systemd-nspawn in a rootfs that > wasn't specially prepared (e.g. helper units/targets) for that?
With very recent systemd just run: PID=$(head -n1 /sys/fs/cgroup/systemd/machine/$NAME/system/tasks) nsenter -m -u -i -n -p -t $PID /usr/bin/timedatectl set-timezone Europe/Paris ... nsenter -m -u -i -n -p -t $PID systemctl halt where NAME is either speicified with -M or the name of the tree root. Zbyszek _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel