[systemd-devel] keeping a backup ESP partition in sync

[Kevin P. Fleming]

On Fri, May 17, 2024, at 05:03, Alexander Gordeev wrote:
> I think it is better to have them mounted as e.g. /boot/efi and
> /boot/eficopy and make changes like this:
> 1. update /boot/efi
> 2. make sure the update is actually written to the device
> 3. update /boot/eficopy
>
> Right now I do this manually with rsync. I'm thinking about adding
> kernel/initramfs/dpkg hooks. Maybe there are easier ways to do it?
> Otherwise maybe this feature is desirable in systemd-boot?

https://github.com/gregory-lee-bartholomew/bootsync

This is what I use, it works very well.