[yocto] Runtime update of yocto-images

[Khem Raj]

On Mon, Oct 1, 2012 at 1:51 PM, Marc Ferland <ferlandm at sonatest.com> wrote:
> Julian Scheel <julian at jusst.de> writes:
>
>> Hi,
>>
>> I wonder how everyone deals with runtime updates of yocto based
>> systems? Are you using the package management for this? Actually I'd
>> prefer a one-file update, which would replace the whole rootfs. I
>> think having a squashfs image containing the rootfs and place it on
>> some ext-partition would be nice. One would just need an initramfs,
>> that could mount the squashfs file as root.
>>
>> Is anyone following an approach like this?
>
> This is the approach that I've taken. Works fairly well.
>
> You will need to:
> - Create your own init script (look in:
> meta/recipes-core/initrdscripts/files as a starting point)
> - Patch your kernel with AUFS/unionfs/overlayfs if you want something
> that is not 100% volatile.
> - Create an "install/update" script that actually takes care of updating
> your squashfs rootfs from the initramfs.
>

Marc

interesting. Do you have some patches to share ?

> Marc
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