Novice learning linux--Configuring Yum Source

1, using the root user login system, in any directory to create folders cdrom
Mkdir/mnt/cdrom
2. Execute the following command in any directory:
Mount-o loop/dev/cdrom/mnt/cdrom/
3, modify the Yum source configuration file, it is recommended to delete all the files in the/etc/yum.repos.d/directory, re-build a. Repo suffix file, the command is as follows:
cd/etc/yum.repos.d/
Rm-rf
Touch Yum.repo
Vim Yum.repo
Then copy the following to the Yum.repo file
[Rhel]
Name =red Hat Enterprise Linux 6
Baseurl=file:///mnt/cdrom
Enable=1
Gpgkey=1
Gpgkey=file:///mnt/cdrom/rpm-gpg-key-redhat-release

Novice learning linux--Configuring Yum Source