Red Hat ENTERPRISE LINUX 5 - DEPLOYMENT Guide d'installation télécharger pdf (Page 78)

If you are experiencing problems with GRUB, you may need to disable the graphical boot screen. To

do this, become the root user and edit the /boot/grub/grub.conf file.

Within the grub.conf file, comment out the line which begins with splashimage by inserting the #

character at the beginning of the line.

Press Enter to exit the editing mode.

Once the boot loader screen has returned, type b to boot the system.

Once you reboot, the grub.conf file is reread and any changes you have made take effect.

You may re-enable the graphical boot screen by uncommenting (or adding) the above line back into

the grub.conf file.

6.4 .2. Boot ing int o 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 g ed it . 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:

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Red Hat ENTERPRISE LINUX 5 - DEPLOYMENT Guide d'installation Page 78