Auto startup an oracle database

1: switch user to oracle software owner

2: edit /etc/oratab file (Keep value as Y save and exit)

3: edit  /etc/rc file (login as root , go to last line and add parameter)

à[root@:server1 ~]# su - oracle

à[oracle@server1 ~]$ vi /etc/oratab

test:/u02/app/oracle/product/11.2.0/dbhome_1:Y

wq!

(Remove value :N and Keep value as :Y for database which you wants to start automatically)

à[oracle@server1 ~]su - root

     [oracle@server1 ~]# vi /etc/rc

su - oracle -c /u02/app/oracle/product/11.2.0/dbhome_1/bin/dbstart

(enter above parameter in /etc/rc file save and exit)