Re: Deploying Yocto build images

Bryan Evenson


Looks interesting. I have a question that I didn't see covered in the documentation (yet). I can see the benefit to having a single image firmware upgrade, but how does swupdate handle configuration differences? I can see cases in which the majority of the software will be the same but there will be configuration file differences from device to device. I like the idea of a single image upgrade, but not at the cost of wiping the device-specific configuration.

Bryan E.

-----Original Message-----
From: yocto-bounces@... [mailto:yocto-
bounces@...] On Behalf Of Stefano Babic
Sent: Thursday, November 21, 2013 7:11 AM
To: yocto@...
Subject: [yocto] Deploying Yocto build images

Hi everybody,

in the last ELCE, David point out in his presentation that we should
improve how to deploy Yocto images on the target.

I did some work this year to provide a reliable way for some customers
of us to install Yocto's images in field, and I have published last
week the sources. Here the link of the announcement:

Mainly, it is a tool that can be stored in the rootfs or will be put in
a separate initrd image and whose goal is only to update the system. I
have tried to describe pros and cons of several different solutions
(updating via bootloader ? single copy against dual copy ?) - you can
find details in the doc directory in the swupdate repository.

Maybe someone of you can find this helpful, and I will be happy if I
could get some feedback.

Best regards,
Stefano Babic

DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@...
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