Setup Yum with ISO file

# cd /
# mkdir /mnt/RHEL53
# mount -o loop -t iso9660 /data5/Enterprise-R5-U3-Server-x86_64-dvd.iso /mnt/RHEL53

# vi /etc/yum.repos.d/RHEL53.repo

[RHEL53]
name = Red-Hat Enterprise Linux 5.3 DVD
baseurl=file:///mnt/RHEL53/Server/
gpgcheck=1
enabled=1
gpgkey=file:///mnt/RHEL53/RPM-GPG-KEY-oracle


# yum search abc

#yum install abc