oracle llinux 6.4 install oracle 11g

[root@localhost ~]# mkdir  /cdrom
[root@localhost ~]# 


cd /etc/yum.repos.d
vi iso.*

[ISO]
name=iso
baseurl=file:///cdrom/Server
failovermethod=priority
enabled=1
gpgcheck=0

[root@localhost yum.repos.d]# mount /dev/sr0 /cdrom
mount: block device /dev/sr0 is write-protected, mounting read-only
[root@localhost yum.repos.d]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                       50G  5.6G   42G  12% /
tmpfs                1001M  316K 1000M   1% /dev/shm
/dev/sda1             485M   55M  405M  12% /boot
/dev/mapper/VolGroup-lv_home
                      955G  2.7G  904G   1% /home
/dev/sr0              3.5G  3.5G     0 100% /media/OL6.4 x86_64 Disc 1 20130225
/dev/sr0              3.5G  3.5G     0 100% /cdrom
[root@localhost yum.repos.d]# 




yum install oracle-rdbms-server-11gR2-preinstall