Interface Graphique pour Ubuntu 10.04

Bonjour,

jai acheté un serveur sur lequel installer ubuntu 10.04 je l'ai lancé avec le prg putty et je voulais installer une interfaec graphique dessus d'apres mes recherche il faut introduire ces commande la pour le faire :
sudo apt-get update
sudo apt-get install ubuntu-desktop
et enfin taper startx pour lancer l'interface j'ai fais les 2 premiere commande ca a marché l'installation et tt mais quand je tape la commande startx j'ai le msg suivant :

X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-29-server i686 Ubuntu
Current Operating System: Linux ks394105.kimsufi.com 2.6.38.2-grsec-xxxx-grs-ipv6-32 #2 SMP Thu Aug 25 16:40:14 UTC 2011 i686
Kernel command line: BOOT_IMAGE=/boot/bzImage-2.6.38.2-xxxx-grs-ipv6-32 root=/dev/sda1 ro quiet nosplash nomodeset
Build Date: 20 October 2011 03:05:54PM
xorg-server 2:1.7.6-2ubuntu7.10 (For technical support please see https://ubuntu.com/support
Current version of pixman: 0.16.4
Before reporting problems, check https://www.x.org/wiki/
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Thu Feb 9 16:33:08 2012
(==) Using config directory: "/usr/lib/X11/xorg.conf.d"
(EE) open /dev/fb0: No such file or directory
FATAL: Could not load /lib/modules/2.6.38.2-grsec-xxxx-grs-ipv6-32/modules.dep: No such file or directory
FATAL: Could not load /lib/modules/2.6.38.2-grsec-xxxx-grs-ipv6-32/modules.dep: No such file or directory
(EE) intel(0): [drm] Failed to open DRM device for pci:0000:00:02.0: No such file or directory
(EE) intel(0): Failed to become DRM master.
(EE) GARTInit: Unable to open /dev/agpgart (No such file or directory)
(EE) intel(0): /dev/agpgart is either not available, or no memory is available
for allocation. Please enable agpgart
.(EE) intel(0): Failed to initialize kernel memory manager
(EE) intel(0): AGP GART support is either not available or cannot be used.
Make sure your kernel has agpgart support or has
the agpgart module loaded.
(EE) intel(0): AGP GART support is either not available or cannot be used.
Make sure your kernel has agpgart support or has
the agpgart module loaded.
(EE) intel(0): Couldn't allocate video memory

Fatal server error:
AddScreen/ScreenInit failed for driver 0


Please consult the The X.Org Foundation support
at https://www.x.org/wiki/
for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional information.

ddxSigGiveUp: Closing log


voila j'espere que vous pouvez m'aider merci d'avance.