Adding RHEL DVD as Repository
Perform the next steps to add RHEL installation DVD as repository.
Step 1 : Create mount point and mount the DVD
Step 2 : Create RHEL repo list and call it 'rhel-dvd.repo'
Step 3 : Add the following config to 'rhel-dvd.repo'
name=Red Hat Enterprise Linux $releasever - $basearch - DVD
Step 4 : Clean your cache
Now you can install the new software from the DVD using 'yum install' command.