[root@aniu-saas-1 yum.repos.d]# ls -l /dev | grep cdrom
lrwxrwxrwx 1 root root 3 Nov 16 00:33 cdrom -> sr0
crw-rw----+ 1 root cdrom 21, 0 Nov 16 00:27 sg0
brw-rw----+ 1 root cdrom 11, 0 Nov 16 00:33 sr0
[root@aniu-saas-1 yum.repos.d]# mount /dev/cdrom /mnt
mount: /dev/sr0 is write-protected, mounting read-only
[root@aniu-saas-1 yum.repos.d]# vim yum.repo
[yum]
name=yum
baseurl=file:///mnt
gpgcheck=0
enabled=1
[root@aniu-saas-1 yum.repos.d]# yum clean all
Loaded plugins: langpacks, product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Cleaning repos: yum
Cleaning up everything
[root@aniu-saas-1 yum.repos.d]# yum makecache
Loaded plugins: langpacks, product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
yum | 4.1 kB 00:00:00
(1/5): yum/group_gz | 134 kB 00:00:00
(2/5): yum/filelists_db | 3.0 MB 00:00:22
(3/5): yum/primary_db | 3.4 MB 00:00:30
(4/5): yum/other_db | 1.3 MB 00:00:09
(5/5): yum/productid | 1.6 kB 00:00:01
Metadata Cache Created