1. Use the following command to find the optical drive device
Devattr CDROM1 BDEVICE
2. Use the mount command again
mount -f cdfs -o ro / mnt
Where is the output result of the first step command, pay attention to distinguishing between 0 and O, 1, 1 and L (lowercase), it is recommended to copy directly. / MNT is a temporary directory created in the root directory.
3. When uninstalling, use Umount / MNT directly.
Of course, the above operation is the root user can do.