control-socket on freeradius 2.1.8

[Tim Sylvester]

> > The user 'testuser' does not have permission to access the socket.
> Add
> >  'testuser' to the group 'radius' or run radmin as root.
> >
> >  Tim
> >
> Is possible to connect to socket with a group different of 'radius'?.

Yes. Check the documentation in the raddb/sites-available/control-socket
file for instructions on how to set the user and group that are allowed to
access the socket using radmin. Also, check man radmin for more info.

Tim