[yocto] Install Yocto image and backup

Richard Weinberger richard.weinberger at gmail.com
Tue Nov 3 04:48:38 EST 2020


On Tue, Nov 3, 2020 at 10:17 AM JH <jupiter.hce at gmail.com> wrote:
> The reason we don't update kernel and rootfs because the size of
> kernel and rootfs is too large, it is hard to download 60MB image OTA
> via 4G CAT M1. If we are going to change to use 4G CAT1 or higher
> speed, I'll use either RAUC or SWUpdate, which one is the most popular
> for embedded system using uboot and UBFIS?

You don't need a full download.
In the past I've used binary diffs with great success.

So if the update size is your biggest concern, the tradeoff of
computing and applying
the binary diff might be worth it.

-- 
Thanks,
//richard



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