Hi,
Please, create /etc/init.d/informix file, then create link on rc2.d, follow:
----------------------
Linux siu 2.6.8-2-686-smp #1 SMP Tue Aug 16 12:08:30 UTC 2005 i686
#! /bin/sh
#
. /informix/.informix ## Environment variables
case "$1" in
start)
$INFORMIXDIR/bin/oninit
;;
stop)
$INFORMIXDIR/bin/onmode -ky 2>/dev/null
;;
restart)
$0 stop
$0 start
;;
*)
echo "Usage: /etc/init.d/informix {start|stop|restart}"
exit 1
;;
esac
exit 0
-------------------------------
Gustavo.