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Linux and the laser

make clean - clean up the source directory

make bzImage - compile the kernel. Watch the case !

make modules - compile the modules

Before you install the modules, make sure that you move your old modules

directory out of the way. Your kernel modules will be found under

/lib/modules/your-kernel-version.

make modules_install - install the modules

You could also put all of the above into a single line as

make dep clean bzImage modules modules_install

Either of the two methods will give you the same result but it is safer to

do everything individually so you can keep an eye on the process.

Take a break till the kernel is compiled.

The kernel image will have been put in /usr/src/linux/arch/i386/boot

directory as bzImage. Copy this image to /boot.

cp /usr/src/linux/arch/i386/boot/bzImage /boot

To check it out edit /etc/lilo.conf in pico or vi or your favourite text

editor. Make a copy and edit the other linux entry or add a new entry like

the following at the end of the file.

image=/boot/bzImage

label=cdrlinux

root=/dev/hda1 ( Replace this with the root= given in the other image entry )

read-only

Reboot and enter cdrlinux at the lilo prompt. If you followed my kernel

setting then scsi support will have been compiled into the kernel and scsi

support for your cdwriter will be enabled at boot. Look for a message as

below.

scsi0 : SCSI host adapter emulation for IDE ATAPI devices

scsi : 1 host.

Vendor: PLEXTOR Model: CD-R PX-W8432T Rev: 1.05

Type: CD-ROM ANSI SCSI revision: 02

Detected scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0

sr0: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray

Do not worry about other IDE cdroms in your system using scsi support. You

will still be able to use them as normal. The only difference is that the

drives will now be referenced as /dev/scd0 for the first cdrom device and

/dev/scd1 for the second and so on. Use these when mounting or un-mounting

your cdroms.

Now your mount commands will look like

mount /dev/scd0 /mnt/cdrom

If all of the above seems way too hard then here's what some well wishers

off the net have sent in.

BoyLinux has a much faster way to get there without compiling the kernel

Before you start, check out your kernel modules directory. Most new

distributions will carry the scsi emulation modules as part of the default