January 2002
Beginner
368 pages
10h 52m
English
Content preview from Learning Red Hat Linux, Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Boot Floppies
Even if you don’t want to boot Linux from a floppy diskette, you should create and keep on hand a Linux boot floppy. If something goes wrong with your system, preventing you from booting in the normal way, you may be able to boot your system by using the floppy. Then, you can diagnose and repair the problem and get back to business as usual.
Creating a Boot Floppy
The Red Hat install program gives you the option of creating a boot diskette when you install Linux. You should exercise this option each time you install Linux, so that you have a fresh boot floppy containing software consistent with that stored on your hard drive.
However, you can easily create a boot
diskette after the installation is complete. To do so, insert a blank
floppy diskette into your system’s floppy drive. Log on as
root and issue the following command:
/sbin/mkbootdisk versionFor version, supply the version number of your
kernel. If you don’t recall the version, simply access an
unused virtual console. There you’ll see the default Red Hat
login prompt, which includes the version number of the kernel, for
example, 2.4.2.
The mkbootdisk
command
creates a boot floppy that uses the same kernel running when the
command is issued. It also configures the boot floppy to load any
necessary SCSI modules, so that your SCSI drives will be accessible
after booting from the floppy.
Another way to create a boot disk is from the GUI. In GNOME, use Main Menu → Programs → System → Create a boot disk, ...
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