Installing UEFI ZFS Root on Ubuntu 21.10

▤ Summary

In my case that special something is the native ZFS encryption and custom partitioning I find more suitable for laptop. General idea of my disk setup is to maximize amount of space available for pool with the minimum of supporting partitions. If you are not planning to have multiple kernels, decreasing boot partition size might be a good idea (512 MB is ok). On top of this encrypted pool we could create our root set (as I did in previous guides) or just use default dataset itself. I just proceed to create the user, assign a few extra groups to it, and make sure its home has correct owner.

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