I'm not sure if this is the right place to ask , but anyway :
I'm running ubuntu-core (snappy) on Raspberry Pi 3 and I'm willing to perform partition\full disk encryption using cli\code. is it possible?
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I did ask this question yesterday in the snappy channel of the Ubuntu Rocket chat server and zyga told me this:
It is not supported, you can experiment and tweak but you get to keep all the pieces if it breaks; unattended encryption requires a few pieces to align and they are not available yet
on hardware like pi3 I think it is not sensible (no TPM)
I then told him about the possibility of using a solution similar to this one:
but he told me that:
then you reboot overnight and it's annoying IMHO that's not the right hardware for the task
snappy will automatically reboot your hardware on update.
So the only option that I can think of is: