[culkinj3@comp ~]$ sudo /etc/init.d/httpd start
Starting httpd: httpd: could not open document config file /home/oracle/product/10.1.1/ocs_2/ocas/conf/ocal.conf
                                                           [FAILED]
[culkinj3@comp ~]$ su oracl
su: user oracl does not exist
[culkinj3@comp ~]$ su oracle
Password:
[oracle@comp culkinj3]$ ls -l /home/oracle/product/10.1.1/ocs_2/ocas/conf/ocal.conf
-rw-rw-r--  1 oracle oinstall 3863 Oct  6 13:36 /home/oracle/product/10.1.1/ocs_2/ocas/conf/ocal.conf

from httpd.conf

User oracle
Group apache