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## Updating the system ## Updating the system
The system is using the SWUpdate system to seamlessly update and switch between Slot-A and Slot-B. An firmware update file basically contains a new version of the rootfs but can also include seperate files for either the overlay partion or even to update files wihin the HOME partition/ directory if required. The system is using the SWUpdate system to seamlessly update and switch between Slot-A and Slot-B. An firmware update file basically contains a new version of the rootfs but can also include seperate files for either the overlay partion or even to update files within the HOME partition/ directory if required.
SWupdate files are using the .swu extension (SoftWare Update) and are basically CPIO images that can contain one or multiple rootfs images and/ or files. In addition, it also contain a sw-description file with meta information about the update. SWupdate files are using the .swu extension (SoftWare Update) and are basically CPIO images that can contain one or multiple rootfs images and/ or files. In addition, it also contain a sw-description file with meta information about the update.
A visual representation of this CPIO image looks like this: A visual representation of this CPIO image looks like this:
@ -32,9 +32,9 @@ Updates can be applied by using the following multiple methods:
- Push/Pull from a fleet management server using Hawkbit. (Planned for stable updates in the future) - Push/Pull from a fleet management server using Hawkbit. (Planned for stable updates in the future)
### Streaminig updates ### Streaming updates
Because we make use of a mirrored Slot A/B update architecture and therefor it will always be possible to boot into the other Slot and/ or recovery mode, updates are streamingly applied. Therefor no additional free space is required to first upload/download the firmware update image to the device. The update is applied as it is being uploaded/ downloaded. Because we make use of a mirrored Slot A/B update architecture and therefore it will always be possible to boot into the other Slot and/ or recovery mode, updates are streamingly applied. Therefore no additional free space is required to first upload/download the firmware update image to the device. The update is applied as it is being uploaded/ downloaded.
### On-device webbased updates ### On-device webbased updates