Booting into a Graphical Environment

If you have installed the X Window System but are not seeing a graphical
desktop environment once you log into your Red Hat Enterprise Linux system,
you can start the X Window System graphical interface using the command
startx. Once you enter this command and press Enter, the graphical desktop
environment is displayed. Note, however, that this is just a one-time fix and does

not change the log in process for future log ins.

To set up your system so that you can log in at a graphical login screen, you
must edit one file, /etc/inittab, by changing just one number in the runlevel
section. When you are finished, reboot the computer. The next time you log in,
you are presented with a graphical login prompt. Open a shell prompt. If you are
in your user account, become root by typing the su command. Now, type gedit
/etc/inittab to edit the file with gedit. The file /etc/inittab opens. Within the first
screen, a section of the file which looks like the following appears:

# Default runlevel. The runlevels used by RHS are:
# 0 - halt (Do NOT set initdefault to this)
# 1 - Single user mode
# 2 - Multiuser, without NFS (The same as 3, if you do
not have networking)

# 3 - Full multiuser mode
# 4 - unused
# 5 - X11
# 6 - reboot (Do NOT set initdefault to this)
# id:3:initdefault:

To change from a console to a graphical login, you should change the number in
the line id:3:initdefault: from a 3 to a 5.

Warning

Change only the number of the default runlevel from 3 to 5.

Your changed line should look like the following:

  • id:5:initdefault:
When you are satisfied with your change, save and exit the file using the Ctrl-Q
keys. A window appears and asks if you would like to save the changes. Click
Save. The next time you log in after rebooting your system, you are presented

with a graphical login prompt.

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