Can I use Yum groupinstall to install gnome dekstop off of Redhat cdrom?

Can I use something like  yum groupinstall "GNOME Desktop Environment" tp install the GNOME rpms on a Redhat 5 system that doesn't have access to the RHN?

If so, how do I do it?  Do I need to set a conf file first or do I need to be in the proper directory?
The media is a Redhat 5 DVD rom.
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ifreqConnect With a Mentor Commented:

Try the following To install using yum / DVD:

Mount Redhat 5 DVD on your server/workstation.

Create a new file in /etc/yum.repos.d/ with the following contents to update directly from the RPMs on the disk:

name=Red Hat 5 DVD

yum groupinstall "GNOME Desktop Environment"

After the installation either remove the created file from /etc/yum.repod.d  or disable it with "enabled=0"

Let me know if this worked for you.

For future use I recommend you to get the license for RHEL (for updates), or installing Fedora Core which is in all ways same product without the paid(license)  support from Red Hat.

DanRaposoAuthor Commented:
Hi .. sorry about the long delay.  I tried this out and think I did something wrong.  I created a file in the  yum.repos.d dir as specified above.   I called the file gde.conf  (was that OK?)

The exact syntax of the file is

name=Red Hat 5 DVD

When entering yum groupinstall "GNOME Desktop Environment"
I get the following
Loading "rhnplugin" plugin
loading "security" plugin
This system is not registered with RHN.
RHN support will be disabled.
Setting up Group Process
Warning: Group GNOME Desktop Environment does not exist.
No packages in a nay requested group available to install or update

Any thoughts?

The cdrom is mount as /dev/hda on /mnt/cdrom  the contents  of /mnt/cdrom/Server is all the rpms on the DVD.

DanRaposoAuthor Commented:
NEVER MIND .. the file must be called file.repo. Your suggestion worked great .. THANK YOU!!
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