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ass:labs-2025:04 [2025/08/07 12:23] florin.stancu created |
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| ~~NOTOC~~ | ~~NOTOC~~ | ||
| - | ===== 04 - RAUC - A/B System Updates ===== | + | ===== 04 - Debian & RAUC - A/B System Updates ===== |
| ===== Objectives ===== | ===== Objectives ===== | ||
| + | * Installing Debian (finally!) as embedded rootfs (using debootstrap)! | ||
| * Best practices in OTA (Over the Air) upgrading embedded systems; | * Best practices in OTA (Over the Air) upgrading embedded systems; | ||
| - | * Installing Debian (finally!) as embedded rootfs! | ||
| * Building fully-featured A/B images using RAUC; | * Building fully-featured A/B images using RAUC; | ||
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| ===== Lecture ===== | ===== Lecture ===== | ||
| - | Mender (an alternative OTA solution) has [[https://mender.io/blog/robust-ota-updates-with-partitions-for-linux-devices|a really good lecture about how A/B updates work]]. | + | Welcome to the RAUC Image Creation exercise! |
| + | Mender (an alternative OTA solution) has [[https://mender.io/blog/robust-ota-updates-with-partitions-for-linux-devices|a really good lecture about how A/B updates work]]. | ||
| Though we will be using [[https://rauc.io/|RAUC]] as lightweight update framework. | Though we will be using [[https://rauc.io/|RAUC]] as lightweight update framework. | ||
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| + | You will create a bootable disk image for an embedded system with multiple partitions (boot, rootfs A and B and, optionally, data), install your kernel & configure U-Boot with environment support. Then you'll see how to use RAUC to seamlessly switch between the two rootfs partitions. | ||
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| + | Oh, and you will also finally get to use a more familiar Linux distro as root filesystem: yep, [[https://www.debian.org/|Debian]]! | ||
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| + | Everything will be scripted for reusability (don't worry, they are almost written, though you will need to fill in some TODOs). | ||
| ===== Tasks ===== | ===== Tasks ===== | ||
| {{namespace>:ass:labs-2025:04:tasks&nofooter&noeditbutton}} | {{namespace>:ass:labs-2025:04:tasks&nofooter&noeditbutton}} | ||
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