Problems With The X Window System (Gui); Problems When You Try To Log In - Red Hat ENTERPRISE LINUX 3 - INSTALLATION GUIDE FOR X86-ITANIUMTM-AMD64 AND INTEL EXTENDED MEMORY 64 TECHNOLO Installation Manual

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 followed by the boot command.
elilo
If you are using an x86-based system and GRUB is your installed boot loader, type for edit when
e
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 and type to edit this boot entry.
kernel e
At the end of the line, add:
kernel
single
Press [Enter] to exit edit mode.
Once the GRUB screen has returned, type to boot into single user mode.
b
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 prompt.
boot:
Next, enter at the LILO prompt.
linux single boot:
Once you have booted into single user mode and have access to the prompt, you must type
# passwd
, which allows you to enter a new password for root. At this point you can type
root shutdown -r
to reboot the system with the new root password.
now
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 . This allows you
- passwd username
" #
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/