Allow user to mount CDROM
Add following line to Linux /etc/fstab file so that normal user can mount the CDROM:
vi /etc/fstab
Append following line to it:
/dev/cdrom /mnt/cdrom auto nosuid,nodev,noauto,user,ro,unhide 0 0
Thus any user can mount the his CDROM using the command:
mount /dev/cdrom