Changing Runlevels At Boot Time; Additional Resources - Red Hat ENTERPRISE LINUX 3 Reference Manual

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— Specifies that the root partition (refer to the
• read-only
cannot be altered during the boot process.
• root=/dev/hda5
• other=/dev/hda1

2.10. Changing Runlevels at Boot Time

Under Red Hat Enterprise Linux, it is possible to change the default runlevel at boot time.
If using LILO, access the
linux runlevel-number
In this command, replace
into (1 through 5), or the words single or emergency.
If using GRUB, follow these steps:
In the graphical GRUB boot loader screen, select the Red Hat Enterprise Linux boot label and
•
press [e] to edit it.
Arrow down to the kernel line and press [e] to edit it.
•
At the prompt, type the number of the runlevel you wish to boot into (1 through 5), or the words
•
single or emergency and press [Enter].
The GRUB screen reappears with the kernel information. Press the [b] key to boot the system.
•
For more information about runlevels, refer to Section 1.4.1 Runlevels.

2.11. Additional Resources

This chapter is only intended as an introduction to GRUB and LILO. Consult the following resources
to discover more about how GRUB and LILO work.
2.11.1. Installed Documentation
• /usr/share/doc/grub- version-number /
about using and configuring GRUB, where
of the GRUB package installed.
— The GRUB info page contains a tutorial, a user reference manual, a programmer
• info grub
reference manual, and a FAQ document about GRUB and its usage.
• /usr/share/doc/lilo- version-number /
tion about using and configuring LILO. In particular, the
file called
User_Guide.ps
to the version of the LILO package installed.
2.11.2. Useful Websites
http://www.gnu.org/software/grub/ — The home page of the GNU GRUB project. This site contains
•
information concerning the state of GRUB development and a FAQ.
— Specifies which disk partition to use as the root partition.
— Specifies the partition containing DOS.
prompt by typing [Ctrl]-[X]. Then type:
boot:
runlevel-number
that is highly informative. Here,
root
with either the number of the runlevel to boot
— This directory contains good information
version-number
— This directory contains a wealth of informa-
subdirectory contains a postscript
doc/
version-number corresponds
Chapter 2. Boot Loaders
line below) is read-only and
corresponds to the version