[Gloucs] Linux bootable CDROMs

Sun Oct 6 00:35:01 2002

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Hello,

Does anyone have any experience of making bootable linux CDROMs?

I want a CDROM that will boot a kernel then load a compressed ramdisk
image.
I can boot the kernel OK but then I need to specify the location of the
root image (I'm using LILO).

The root image file is contained within the iso9660 filesystem on the
CDROM, so saying something like 'root=3D/dev/hdc' at the LILO prompt =
will
read the first sectors of the CDROM.
I don't know the offset of the root image file on the CD as it's
contained in a filesystem.
Is there a way of telling the kernel to load a ramdisk image from a
filesystem rather than from a device?

Chris West

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<P><FONT SIZE=3D2>Hello,</FONT>
</P>

<P><FONT SIZE=3D2>Does anyone have any experience of making bootable =
linux CDROMs?</FONT>
</P>

<P><FONT SIZE=3D2>I want a CDROM that will boot a kernel then load a =
compressed ramdisk image.</FONT>

<BR><FONT SIZE=3D2>I can boot the kernel OK but then I need to specify =
the location of the root image (I'm using LILO).</FONT>
</P>

<P><FONT SIZE=3D2>The root image file is contained within the iso9660 =
filesystem on the CDROM, so saying something like 'root=3D/dev/hdc' at =
the LILO prompt will read the first sectors of the CDROM.</FONT></P>

<P><FONT SIZE=3D2>I don't know the offset of the root image file on the =
CD as it's contained in a filesystem.</FONT>

<BR><FONT SIZE=3D2>Is there a way of telling the kernel to load a =
ramdisk image from a filesystem rather than from a device?</FONT>
</P>

<P><FONT SIZE=3D2>Chris West</FONT>
</P>

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