Got it. Thanks.
So I replaced the root hash password with the admin’s one,
tried to log as root through SSH (on port 2222) with the admin’s pass
Went then to see in the shadow file if I made a typo and saw that the root hashed password didn’t change.
Tried again thrice, but, no way: on each reboot the previous hash pass comes back.
Did I miss a step somewhere?
Okey! Now works. (I wasn’t using the correct editor).
Now stuck elsewhere
trying to read /etc/fstab
-sh: /etc/fstab: Permission denied
As I am root, I don’t see why.
Do you have an explanation?
After a new reboot NAS reverts to the default hash pass for Root.