Red Hat ENTERPRISE LINUX 3 - FOR X86-ITANIUMTM-AMD64 AND INTEL EXTENDED MEMORY 64 TECHNOLO, Руководство по установке

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76 Appendix C. Troubleshooting Your Installation of Red Hat Enterprise Linux
When you are satisfied with your change, save and exit the file using the [Ctrl]-[x] keys. A message
appears telling you that the file has been modified, and asking you to confirm your change. Type [Y]
for yes.
Now, your next login after reboot will be from the graphical screen.
C.4.4. Problems with the X Window System (GUI)
If you are having trouble getting X (the X Window System) to start, you may not have installed it
during your installation.
If you want X, you can either install the packages from the Red Hat Enterprise Linux CD-ROMs or
perform an upgrade.
If you elect to upgrade, select the X Window System packages, and choose GNOME, KDE, or both,
during the upgrade package selection process.
C.4.5. Problems When You Try to Log In
If you did not create a user account in the
Setup Agent
, log in as root and use the password you
assigned to root.
If you cannot remember your root password, boot your system as
linux single
.
Itanium users must enter boot commands with
elilo
followed by the boot command.
If you are using an x86-based system and GRUB is your installed boot loader, type
e
for edit when
the GRUB boot screen has loaded. You are presented with a list of items in the configuration file for
the boot label you have selected.
Choose the line that starts with
kernel
and type
e
to edit this boot entry.
At the end of the
kernel
line, add:
single
Press [Enter] to exit edit mode.
Once the GRUB screen has returned, type
b
to boot into single user mode.
If you are using an x86-based system and LILO is your installed boot loader, press [Ctrl]-[x] to exit
the graphical LILO screen and gain access to the LILO
boot:
prompt.
Next, enter
linux single
at the LILO
boot:
prompt.
Once you have booted into single user mode and have access to the
#
prompt, you must type
passwd
root
, which allows you to enter a new password for root. At this point you can type
shutdown -r
now
to reboot the system with the new root password.
If you cannot remember your user account password, you must become root. To become root, type
su
-
and enter your root password when prompted. Then, type
passwd username
. This allows you
to enter a new password for the specified user account.
If the graphical login screen does not appear, check your hardware for compatibility issues. The
Hard-
ware Compatibility List can be found at:
http://hardware.redhat.com/hcl/