On a NAS (Synology) I created two groups, parents and children. The parents group has the users father and mother, in the group children I added a user son1. Furthermore I created the shared directories financial, photo, and public.
I'd like to know how I can access as father all three shared folders with readwrite rights from my Ubuntu laptop. This very same laptop also holds an account for son1; his access rights should be noaccess, readonly, readwrite for the shared folders, respectively.
I don't understand how I should fill fstab with entries that have duplicate combinations of the first two fields (e.g. //192.168.1.1/public /mnt/ds209/public) that apply to different user accounts.
Any help is highly appreciated.