experimental Ubuntu Touch flipped container images now available for developer consumption

Gianguido Sorà gianguidorama at gmail.com
Wed Jun 12 19:05:50 UTC 2013

It's already available in saucy daily builds right?
Il giorno 12/giu/2013 20:56, "Oliver Grawert" <ogra at ubuntu.com> ha scritto:

> hi,
> I am happy to announce that there are now Ubuntu Touch Images with a
> flipped container model available for some of the nexus devices we
> support.
> Note that these images are still highly experimental and meant mainly
> for Ubuntu developers that want to help fixing bugs in the flipped
> container model.
> What does "flipped container" mean anyway ?
> The known Ubuntu Touch images run Ubuntu inside a chroot on top of
> android .... For the flipped model we are instead booting directly into
> Ubuntu and then start up android inside an lxc container before starting
> any services/applications
> Currently only the maguro and mako sub architectures are tested and
> known to work ... grouper is actually known to not work at all in saucy
> (even unflipped) currently, manta has not been tested yet (feedback
> appreciated).
> The daily builds of container flipped Ubuntu Touch images can be found
> at http://cdimage.ubuntu.com/ubuntu-touch/daily-preinstalled/current/
> To install them follow the
> https://wiki.ubuntu.com/Touch/Install#Manual_Installation manual
> instructions...
> NOTE: It is essential for the flipped model to work properly that you
> install the zips in the right order, first you always want the armel
> +$subarch.zip, only then the armhf.zip file
> After install the first boot might take a little longer than you are
> used to from the unflipped images, second boot should be reasonably
> fast.
> There have been reports that wifi only works after the second boot, in
> case you have problems with this, please try a reboot first.
> We run adbd on the Ubuntu side, so you will be able to use the "adb
> shell" command from your PC to get into the running system.
> Some tipe for working with the new design:
> Getting info about the container:
> the command: lxc-info -n android
>  * this will tell you if the container is actually running and where you
> can find it (/proc/$pid is usually the namespace where lxc puts it)
> the command: android-chroot
>  * as the name suggests this will give you chroot access into the
> android container (note that this does not provide the android
> properties system (yet))
> modifying android:
> if you want to i.e. change the services that get started by default you
> can do the following:
> cp /var/lib/lxc/android/rootfs/init.rc /var/lib/lxc/android/overrides/
> now you can edit /var/lib/lxc/android/overrides/init.rc to your liking
> (i.e. to prevent surfaceflinger from starting because you work on Mir
> you would delete all surfaceflinger related blocks in there)
> Using androids adbd instead of ubuntus:
> to have adbd running inside the container instead of the rootfs (i.e. to
> get full access to the properties system the android-chroot tool can not
> provide) do the following:
> echo manual > /etc/init/android-tools-adbd.override
> then reboot, after the reboot adb will get you into android normally ...
> to revert this just do
> rm /data/ubuntu/etc/init/android-tools-adbd.override
> and on next reboot adb will log you into the ubuntu side again.
> If you have any further questions, feel free to find me in the
> #ubuntu-touch channel on irc.freenode.net (or just follow up on this
> mail)
> ciao
>     oli
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