Friday, March 18, 2011

Disable (Block) CD/DVD ROM Linux ( RHEL )

Today i am going to  share,   how to block or disable CD/DVD ROM in Linux.
Please find the below procedure is working fine on RHEL ( Red Hat Enterprise Linux 5).

1) You need to be root user to perform steps.
[root@localhost]$  su -
2) Go to Directory Where your kernel drivers stored. Follow exact command.
[root@localhost]# cd /lib/modules/$(uname -r)/kernel/drivers/cdrom
3) Now list directory.
[root@localhost cdrom]# ls
4) Now rename or delete cdrom.ko file with following command.
[root@localhost cdrom]# mv cdrom.ko cdrom.ko-ok
To Delete file execute below command
[root@localhost cdrom]# rm -rf cdrom.ko
5) Now reboot your computer and Insert CD or DVD into Drive. It will not detect.
6) If you dont want to reboot your computer then just execute below command.
modprobe -r sr_mod

Hope this information helps you.