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frood, an Alpine initramfs NAS

My NAS, frood, has a bit of a weird setup. It’s just one big initramfs containing a whole Alpine Linux system. It’s delightful and I am not sure why it’s not more common. As long as the bootloader can find the kernel and initramfs, the machine comes up cleanly. A/B deployments and rollbacks are just a matter of choosing a different boot option. The system is defined declaratively in the git repo that builds the initramfs. Importantly to me, it’s not defined in some complex DSL: if I want a file ...

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