[CentOS] Permission problem

Tue Jul 7 11:51:52 UTC 2009
Barry Brimer <lists at brimer.org>

> 1) Members of the "administrators" group have unlimited read/write
> access to /home/pub and below.
> 2) Members of the "agents" group have read-only access to /home/pub and
> below.
> 3) All the others (that is, members of neither "administrators" and
> "agents") have no access at all to /home/pub, not even for listing the
> directory content.
> The thing is: I can't seem to formulate my problem in terms of
> user/group/others, as there are no owners, but two distinct groups
> involved.
> Any idea how to crack that nut?

Have you looked at using ACLs?  Just make sure that any backup software 
you use can handle them.