old-www/HOWTO/Hard-Disk-Upgrade/bootdisk.html

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>Make a boot diskette (optional)</TITLE
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><H1
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><A
NAME="BOOTDISK"
>10. Make a boot diskette (optional)</A
></H1
><P
>If you wish, you can make a boot diskette, in case you run into
problems when trying to boot the new disk.</P
><P
>Insert an empty diskette, format it, create a file system on it and
mount it:
<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>fdformat /dev/fd0H1440
mkfs.ext2 /dev/fd0
mount -t ext2 /dev/fd0 /mnt</PRE
></TD
></TR
></TABLE
></P
><DIV
CLASS="FORMALPARA"
><P
><B
>Debian only. </B
>With Debian 2.x, use <TT
CLASS="FILENAME"
>/dev/fd0u1440</TT
> instead of
<TT
CLASS="FILENAME"
>/dev/fd0H1440</TT
>. With Debian 1.x, use
<TT
CLASS="FILENAME"
>/dev/fd0h1440</TT
>, with a lower case
<I
CLASS="WORDASWORD"
>h</I
>.</P
></DIV
><DIV
CLASS="FORMALPARA"
><P
><B
>Debian only. </B
>With Debian 2.x, use <B
CLASS="COMMAND"
>superformat</B
> instead of
<B
CLASS="COMMAND"
>fdformat</B
>.
You can ignore the error
<TT
CLASS="COMPUTEROUTPUT"
>mformat: command not found</TT
>.
With Debian 1.x, if you don't have the command
<B
CLASS="COMMAND"
>fdformat</B
>, you can omit it if the floppy
is already formatted. In this case, you should check the diskette for
bad blocks by adding <TT
CLASS="OPTION"
>-c</TT
> after the
<B
CLASS="COMMAND"
>mkfs.ext2</B
> command.</P
></DIV
><DIV
CLASS="FORMALPARA"
><P
><B
>Slackware only. </B
>Use <TT
CLASS="FILENAME"
>/dev/fd0u1440</TT
> instead of
<TT
CLASS="FILENAME"
>/dev/fd0H1440</TT
>. With older versions, try
<TT
CLASS="FILENAME"
>/dev/fd0h1440</TT
>, with a lower case
<I
CLASS="WORDASWORD"
>h</I
>.</P
></DIV
><DIV
CLASS="FORMALPARA"
><P
><B
>SuSE only. </B
>Use <TT
CLASS="FILENAME"
>/dev/fd0u1440</TT
> instead of
<TT
CLASS="FILENAME"
>/dev/fd0H1440</TT
>.</P
></DIV
><P
>Copy all files in <TT
CLASS="FILENAME"
>/boot</TT
> to the
diskette:
<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>cp -dp /boot/* /mnt</PRE
></TD
></TR
></TABLE
>
</P
><DIV
CLASS="FORMALPARA"
><P
><B
>Red Hat only. </B
>If the <TT
CLASS="FILENAME"
>/boot</TT
> directory
contains both <TT
CLASS="FILENAME"
>vmlinux</TT
> and
<TT
CLASS="FILENAME"
>vmlinuz</TT
> files (note the difference in the last
letter), you only need to copy the <TT
CLASS="FILENAME"
>vmlinuz</TT
> files to
the boot diskette. They are the same as the vmlinux
files, except that they're compressed to save space.</P
></DIV
><DIV
CLASS="FORMALPARA"
><P
><B
>Slackware only. </B
>Copy the file <TT
CLASS="FILENAME"
>/vmlinuz</TT
> to the boot diskette;
use the command <B
CLASS="COMMAND"
>cp /vmlinuz /mnt</B
>.</P
></DIV
><P
>Create a new file <TT
CLASS="FILENAME"
>/mnt/lilo.conf</TT
> as follows:
<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>boot=/dev/fd0 # Install LILO on floppy disk.
map=/mnt/map # Location of "map file".
install=/mnt/boot.b # File to copy to floppy's
# boot sector.
prompt # Have LILO show "LILO boot:"
# prompt.
timeout=50 # Boot default system after 5
# seconds. (Value is in tenths of
# seconds.)
image=/mnt/vmlinuz # Location of Linux kernel on
# floppy. The actual name may
# include a version number, for
# example "vmlinuz-2.0.35".
label=linux # Label for Linux system.
root=/dev/hda1 # Location of root partition on
# new hard disk. Modify this as
# appropriate for your system.
# Note that you must use the name
# of the future location, once the
# old disk has been removed.
read-only # Mount partition read-only at
# first, to run fsck.</PRE
></TD
></TR
></TABLE
>
</P
><P
>Install <SPAN
CLASS="ACRONYM"
>LILO</SPAN
> on the boot diskette:
<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>/sbin/lilo -C /mnt/lilo.conf</PRE
></TD
></TR
></TABLE
>
</P
><P
>The <TT
CLASS="OPTION"
>-C</TT
> option tells <SPAN
CLASS="ACRONYM"
>LILO</SPAN
> what
configuration file to use.</P
><P
>Unmount the diskette:
<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>umount /mnt</PRE
></TD
></TR
></TABLE
></P
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>Prepare <SPAN
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>LILO</SPAN
> to boot the new disk</TD
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