This link
http://wiki.contribs.org/Heyu describes the setup of Heyu and includes instructions
to " add a template to specifically override the permissions for our serial port. "
However it mentions
This procedure works for CentOS 4 (SME 7) but will change in CentOS 5 (SME
to use rules.d instead.
I need help doing this for SME 8.0 (how to use "rules.d" ?)
Thanks much in advance