Installation guide

• When the GRUB menu bypass screen appears at boot time, press any key to enter the

GRUB menu (within the first three seconds).

• Press the a key to append to the kernel command.

• Add <space><runlevel> at the end of the boot options line to boot to the desired runlevel. For

example, the following entry would initiate a boot process into runlevel 3:

grub append> ro root=/dev/VolGroup00/LogVol00 rhgb quiet 3

9. Additional Resources

This chapter is only intended as an introduction to GRUB. Consult the following resources to

discover more about how GRUB works.

9.1. Installed Documentation

• /usr/share/doc/grub-<version-number>/ — This directory contains good information about

using and configuring GRUB, where <version-number> corresponds to the version of the

GRUB package installed.

• info grub — The GRUB info page contains a tutorial, a user reference manual, a program-

mer reference manual, and a FAQ document about GRUB and its usage.

9.2. Useful Websites

• http://www.gnu.org/software/grub/ [http://www.gnu.org/software/grub] — The home page of

the GNU GRUB project. This site contains information concerning the state of GRUB devel-

opment and an FAQ.

• http://kbase.redhat.com/faq/FAQ_43_4053.shtm — Details booting operating systems other

than Linux.

• http://www.linuxgazette.com/issue64/kohli.html — An introductory article discussing the con-

figuration of GRUB on a system from scratch, including an overview of GRUB command line

options.

9.3. Related Books

• Red Hat Enterprise Linux Deployment Guide; Red Hat, Inc. — The Workstation Security

chapter explains, in a concise manner, how to secure the GRUB boot loader.

9. Additional Resources