- use a common group defined in /usr/share/base-passwd/group.master, e.g. "floppy"
- make the root folder sticky
- make sure all users on all machines are part of the common group
+- Collect problems with NTFS tree exports, e.g.
+ - Spaces at the end in filenames
+ - single quotes in filenames
+ - dots?
- more experiences with ext4 encryption feature:
<https://www.techort.com/encryption-in-ext4-how-it-works-habrahabr/>