On Tue, 13 Nov 2001, Selvikunnam wrote:
> Is there any way to give access conrol for particular user to run specific
>application.
>
> Ex...
>
> A,B,C is a user in different group
>
> Everyone using "ymessenger " application for chating
>
> How can i give access only to user A. So that others cannot use this
> application. i am using RH7.1
>
Let's call A's group "<group of A>", and suppose the application is
in /usr/local/bin/ymessenger. As root the command
chgrp <group of A> /usr/local/bin/ymessenger
will change the group of the application to A's group. The command
chmod 750 /usr/local/bin/ymessenger
will then allow only the owner (root, I suppose) and members of A's group
to use the application. If there are others in A's group who you also
don't want using ymessenger, you can define a new group and add A to it.
For example, if /etc/group has the line "ymessusers:x:400:A", then
chgrp ymessusers /usr/local/bin/ymessenger
chmod 750 /usr/local/bin/ymessenger
will let only A use ymessenger. "ymessusers:x:400:A,B" will allow only
A and B to use ymessenger, ...
--
Steven Yellin
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