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| Linux Loader LILO |
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LILO Boot Prompt Options
The following sample list of options can be passed to LILO at the boot prompt to enable special features of your system or to pass options to the Linux kernel to enable a proper boot. Knowing any needed options for your system is especially handy during the Red Hat Linux installation process because you’ll be asked for any special options if you choose to install LILO then.
Although you’ll normally type linux
or dos at the LILO: prompt, you can also try one or two of the
following. For a more up-to-date list of kernel messages or
options, read Paul Gortmaker’s BootPrompt-HOWTO under the
/usr/doc/HOWTO directory.
s Linux into single-user mode to allow
system fixes (see Chapter 4 for rescue—Boots details).
s to rescue, but attempts to boot from your hard drive.
single—Similar
s root=<device>—Similar to the
/etc/lilo.conf entry, this option allows you to boot from a CD-ROM
or other storage device.
s vga=<mode>—Enables you to
change the resolution of your console; try the ask mode.
Using LOADLIN.EXE to Boot Linux
is a program that uses the DOS MBR to boot
Linux. This handy program, by LOADLIN.EXE Hans Lermen, will also
pass along kernel options. LOADLIN.EXE is very helpful when you
must boot from DOS in order to properly initialize modems or sound
cards to make them work under Linux.
You need to do two things before using
LOADLIN.EXE:
1. Copy LOADLIN.EXE to a DOS partition (for example, C:LOADLIN).
2. Put a copy of your kernel image
(/vmlinuz) on your DOS partition.
For example, to boot Linux, type the following from the DOS
command line:
loadlin c:vmlinuz root=/dev/hda3 ro
Make sure that you insert your root partition in the command line.
The ro is for read-only. When you are first booting a Linux
partition, it should be mounted as read-only or data loss could
occur.
If you have a UMSDOS filesystem, you can type
loadlin c:vmlinuz root=/dev/hda1 rw
The rw is for read/write. It is safe to
start a UMSDOS filesystem this way. Again, make sure
LILO
that you substitute your own partition in.
LOADLIN.EXE accepts a number of options. See its documentation in
the LOADLIN.TGZ file under the Dosutils directory on the
book’s CD-ROM.
