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Old 07-12-2002, 04:17 AM   #1
leihsun
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how to make boot.img


There is a file on RedHat installation cdrom called "boot.img".
Is there anyone know how to build this file?
 
Old 07-12-2002, 05:05 AM   #2
linuxcool
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You copy the "boot.img" to a floppy. If you have a linux system that is working, you can use the dd command to copy the boot.img file to the floppy disk. You would mount the cdrom disk and then run:
dd if=<path_to_boot.img> of=/dev/fd0.

If you don't have a linux system that is working, you can use the rawrite.exe program to copy the file. You can find rawrite.exe on the RedHat cdrom disk. It might be in a directory named "dosutils". Also, there are probably README files in there about using rawrite.exe.

Last edited by linuxcool; 07-12-2002 at 05:06 AM.
 
Old 07-12-2002, 07:33 AM   #3
jglen490
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Quote:
You copy the "boot.img" to a floppy.
Actually, you don't "copy" it, you must write it using either the Linux "dd" utilty or DOS/Windows "rawrite.exe" or "rawritent.exe" programs. A technical point, perhaps, but a difference that can cause some misunderstanding.
 
Old 07-14-2002, 08:18 PM   #4
leihsun
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Both dd and rawrite are writing the image file to floopy disk. This is what I already known. I want to create the image file, and then write to disk. The file step "create the image" is my question.
 
Old 07-14-2002, 09:06 PM   #5
turnip
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dd if=/dev/hda1 bs=512 count=1 of=/dev/fd0/boot.img

where hda1 is the / partition
 
Old 07-15-2002, 01:04 AM   #6
leihsun
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I had ever use that way. It can work with floppy disk, but hard disk fail. So how to make a boot.img to fit for hard disk?
 
  


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