[lxc-devel] Announcing public builds of LXC for Android

[Mario]

or in other words,I would like to know if I can install and run
Android with LXC on the samsung arm chromebook without installing
ubuntu touch,but only LXC....can I do it ?

2013/12/11, Mario <marietto2008 at gmail.com>:
> Do you know if I can install Ubuntu Touch on the Samsung and Google
> ARM chromebook ? My goal is to "virtualize" Android on this
> netbook,since actually I have installed ubuntu on it. Thanks.
>
> 2013/12/11, Stéphane Graber <stgraber at ubuntu.com>:
>> LXC on Android requires the same kernel features as on any other Linux
>> system.
>>
>> The best way of finding what you are missing is to grab your current
>> kernel config either from the git branch that was used to build it or
>> from /proc/config.gz if available, then feed that to lxc-checkconfig
>> which will list any missing feature.
>>
>> If you are missing some critical bits (the common ones I found being
>> missing namespace and cgroup support), you'll need to grab the source of
>> your current kernel, enable all the missing options, re-run
>> lxc-checkconfig against the resulting config to check it's good, then
>> build the kernel, build the modules (if needed, not all Android kernels
>> come with modules support) and possibly rebuild some out of tree binary
>> wrappers (radio/wifi/bluetooth/...).
>>
>> Once that's all done, you'll need to write the resulting image back to
>> the device which tends to be device specific. For fastboot devices, that
>> usually involves extracing the boot partition, unpacking it with
>> abootimg, updating the kernel and pushing the resulting image back to
>> the device.
>>
>>
>> I'm well aware that this doesn't look particularly user friendly, though
>> as I said on lxc-users earlier today, short of having manufacturer
>> support for the features we need in the kernel, that's as easy as it's
>> going to get...
>>
>> In my experience, devices that are supported by cyanogenmod tend to be
>> easier to work with since they come with a standard set of git branches
>> and usually reasonably good build and deployment instructions.
>>
>> Note again that as this requires the device to be rooted and the
>> bootloader to be unlocked, this may void your warranty.
>>
>> On Wed, Dec 11, 2013 at 07:27:04PM +0100, Mario wrote:
>>> Do you have a tutorial that explains the procedure ? What are the
>>> kernel features needed ?
>>>
>>> 2013/12/11, Stéphane Graber <stgraber at ubuntu.com>:
>>> > On Wed, Dec 11, 2013 at 07:14:15AM +0100, Mario wrote:
>>> >> Only the old versions of Android are supported by LXC right now ?
>>> >
>>> > I'm not sure what you mean by old, my test device runs Android 4.2 and
>>> > it certainly works on that.
>>> >
>>> > I haven't tried it on any 4.4 device yet but I'd expect the binaries
>>> > to
>>> > work fine there too (assuming you have a kernel with the required
>>> > features).
>>> >
>>> >> 2013/12/10, Stéphane Graber <stgraber at ubuntu.com>:
>>> >> > Hello,
>>> >> >
>>> >> > Some of you may have noticed the rather large amount of fixes I've
>>> >> > been
>>> >> > working on for a while to get LXC to behave mostly fine on Android.
>>> >> >
>>> >> > With the recent rework of LXC's automated build system, I'm now
>>> >> > happy
>>> >> > to
>>> >> > announce that every hour (provided there's a change in git master),
>>> >> > a
>>> >> > new android tarball will be produced with binaries built against
>>> >> > the
>>> >> > current version of the Android NDK.
>>> >> >
>>> >> > Resulting builds may be found at:
>>> >> > http://qa.linuxcontainers.org/master/current/android-armel/
>>> >> >
>>> >> > If you want to run those, you'll need an ARM based Android device
>>> >> > with
>>> >> > a
>>> >> > compatible kernel (you'll likely need to hand-build one), then
>>> >> > unpack
>>> >> > the tarball in /, unpack a container in /data/lxc/containers/ and
>>> >> > finally start it with "./run-lxc lxc-start -n <container>".
>>> >> >
>>> >> > I expect all the binaries command to work fine. The templates and
>>> >> > all
>>> >> > other scripts currently don't due to the rather limited shell being
>>> >> > available on Android. I may try to resolve that in the near future.
>>> >> >
>>> >> > Have fun!
>>> >> >
>>> >> > --
>>> >> > Stéphane Graber
>>> >> > Ubuntu developer
>>> >> > http://www.ubuntu.com
>>> >> >
>>> >>
>>> >>
>>> >> --
>>> >> Mario.
>>> >> _______________________________________________
>>> >> lxc-devel mailing list
>>> >> lxc-devel at lists.linuxcontainers.org
>>> >> http://lists.linuxcontainers.org/listinfo/lxc-devel
>>> >
>>> > --
>>> > Stéphane Graber
>>> > Ubuntu developer
>>> > http://www.ubuntu.com
>>> >
>>>
>>>
>>> --
>>> Mario.
>>> _______________________________________________
>>> lxc-devel mailing list
>>> lxc-devel at lists.linuxcontainers.org
>>> http://lists.linuxcontainers.org/listinfo/lxc-devel
>>
>> --
>> Stéphane Graber
>> Ubuntu developer
>> http://www.ubuntu.com
>>
>
>
> --
> Mario.
>


-- 
Mario.