On Mon, 7 Feb 2005, Ronan Heffernan wrote:
> Bob Stia wrote:
> >
> > As per a suggestion here awhile ago, I want to run ntpdate automatically
> > when my dial up connection is established. Now,,,, ntpdate is root
> > owned and cannot be called by me in the ip-up script.
> One thing that you can do: change the execute permissions of the
> ntpdate program so that only members of a small group can execute it
> at all. Example:
>
> chgrp wheel ntpdate
> chmod 4750 ntpdate
>
> then add yourself and a few trusted users to the wheel group (edit
> /etc/group).
Or use this program:
groupmod (8) - Modify a group
Safer, less prone to mistakes.
> No one else will be able to execute ntpdate.
That's one way, sudo is another. Or if you want ntpdate to be executable
only by *you*, you can make its group your personal group, and add the
group-execute permission to it.
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