samantha@samantha:~$ sudo dmesg | grep "dvd\|CD"
[sudo] password for samantha: 
[    6.162812] scsi 1:0:0:0: CD-ROM            hp       DVD-RAM UJ8D1    H.01 PQ: 0 ANSI: 5
[    6.194441] sr 1:0:0:0: [sr0] scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
[    6.194443] cdrom: Uniform CD-ROM driver Revision: 3.20
[    6.195068] sr 1:0:0:0: Attached scsi CD-ROM sr0