Often I need to install packages that are on the RHEL install DVD and being able to use the install ISO without having a Red Hat subscription or license is extremely useful.

• Mount the DVD to cdrom folder

mkdir /cdrom
 mount /dev/cdrom /cdrom

• Create yum local repo file:

cd /etc/yum.repos.d
 vi local.repo

and past this content:

[LocalRepo]
 name=Local Repository
 baseurl=file:///cdrom
 enabled=1
 gpgcheck=1
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

save the file and clean yum repository cache:

yum clean all

Job done.

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