After done some research, it is better if install the server without gnome-desktop or kde-desktop. This is due to high security and optimizing the server resources. For those who already installed gnome packages on their server, no worry. Here is the simple steps to remove the gnome-desktop without harm your existing services such as httpd, named, squid, webmin, ldap and etc.
[root@server ~]# yum groupremove gnome-desktop Loaded plugins: fastestmirror Setting up Remove Process Resolving Dependencies --> Running transaction check ---> Package gnome-desktop.i386 0:2.16.0-1.el5.centos.1 set to be erased --> Processing Dependency: libgnome-desktop-2.so.2 for package: gnome-panel --> Processing Dependency: libgnome-desktop-2.so.2 for package: eel2 --> Processing Dependency: libgnome-desktop-2.so.2 for package: nautilus-open-terminal --> Processing Dependency: libgnome-desktop-2.so.2 for package: gnome-session --> Processing Dependency: libgnome-desktop-2.so.2 for package: gnome-applets --> Processing Dependency: libgnome-desktop-2.so.2 for package: gnome-utils --> Processing Dependency: libgnome-desktop-2.so.2 for package: nautilus --> Processing Dependency: libgnome-desktop-2.so.2 for package: eog --> Processing Dependency: libgnome-desktop-2.so.2 for package: totem --> Processing Dependency: libgnome-desktop-2.so.2 for package: control-center --> Processing Dependency: gnome-desktop >= 2.9.91 for package: gnome-panel --> Processing Dependency: gnome-desktop >= 2.6.0 for package: totem --> Running transaction check ---> Package control-center.i386 1:2.16.0-16.el5 set to be erased --> Processing Dependency: control-center >= 2.16.0-5 for package: orca --> Processing Dependency: control-center >= 2.0 for package: gnome-volume-manager ---> Package eel2.i386 0:2.16.1-1.el5 set to be erased --> Processing Dependency: libeel-2.so.2 for package: nautilus-cd-burner ---> Package eog.i386 0:2.16.0.1-6.el5 set to be erased ---> Package gnome-applets.i386 1:2.16.0.1-19.el5 set to be erased ---> Package gnome-panel.i386 0:2.16.1-7.el5 set to be erased --> Processing Dependency: libpanel-applet-2.so.0 for package: gnome-python2-applet --> Processing Dependency: libpanel-applet-2.so.0 for package: gnome-pilot --> Processing Dependency: libpanel-applet-2.so.0 for package: gnome-netstatus --> Processing Dependency: libpanel-applet-2.so.0 for package: libgail-gnome --> Processing Dependency: gnome-panel >= 2.5.1 for package: gnome-netstatus ---> Package gnome-session.i386 0:2.16.0-7.el5.centos set to be erased ---> Package gnome-utils.i386 1:2.16.0-5.el5 set to be erased ---> Package nautilus.i386 0:2.16.2-7.el5 set to be erased ---> Package nautilus-open-terminal.i386 0:0.6-7.el5 set to be erased ---> Package totem.i386 0:2.16.7-6.el5 set to be erased --> Running transaction check ---> Package gnome-netstatus.i386 0:2.12.0-5.el5 set to be erased ---> Package gnome-pilot.i386 0:2.0.13-16 set to be erased --> Processing Dependency: libgpilotd.so.2 for package: evolution --> Processing Dependency: libgpilotdcm.so.2 for package: evolution --> Processing Dependency: libgpilotdconduit.so.2 for package: evolution --> Processing Dependency: gnome-pilot >= 2.0.13 for package: evolution ---> Package gnome-python2-applet.i386 0:2.16.0-3.el5 set to be erased ---> Package gnome-volume-manager.i386 0:2.15.0-5.el5 set to be erased ---> Package libgail-gnome.i386 0:1.1.3-1.2.1 set to be erased ---> Package nautilus-cd-burner.i386 0:2.16.0-7.el5 set to be erased --> Processing Dependency: libnautilus-burn.so.4 for package: rhythmbox --> Processing Dependency: libnautilus-burn.so.4 for package: gnome-media --> Processing Dependency: libnautilus-burn.so.4 for package: sound-juicer --> Processing Dependency: nautilus-cd-burner >= 2.15.3 for package: sound-juicer ---> Package orca.i386 0:1.0.0-5.el5 set to be erased --> Running transaction check ---> Package evolution.i386 0:2.12.3-19.el5 set to be erased --> Processing Dependency: libeshell.so.0 for package: evolution-connector --> Processing Dependency: libeutil.so.0 for package: evolution-connector ---> Package gnome-media.i386 0:2.16.1-3.el5 set to be erased ---> Package rhythmbox.i386 0:0.11.6-4.el5 set to be erased ---> Package sound-juicer.i386 0:2.16.0-3.el5 set to be erased --> Running transaction check ---> Package evolution-connector.i386 0:2.12.3-11.el5 set to be erased --> Finished Dependency Resolution Dependencies Resolved ========================================================================================== Package Arch Version Repository Size ========================================================================================== Removing: gnome-desktop i386 2.16.0-1.el5.centos.1 installed 1.9 M Removing for dependencies: control-center i386 1:2.16.0-16.el5 installed 8.1 M eel2 i386 2.16.1-1.el5 installed 1.1 M eog i386 2.16.0.1-6.el5 installed 1.8 M evolution i386 2.12.3-19.el5 installed 36 M evolution-connector i386 2.12.3-11.el5 installed 2.3 M gnome-applets i386 1:2.16.0.1-19.el5 installed 31 M gnome-media i386 2.16.1-3.el5 installed 5.2 M gnome-netstatus i386 2.12.0-5.el5 installed 972 k gnome-panel i386 2.16.1-7.el5 installed 10 M gnome-pilot i386 2.0.13-16 installed 1.7 M gnome-python2-applet i386 2.16.0-3.el5 installed 16 k gnome-session i386 2.16.0-7.el5.centos installed 1.3 M gnome-utils i386 1:2.16.0-5.el5 installed 8.5 M gnome-volume-manager i386 2.15.0-5.el5 installed 1.9 M libgail-gnome i386 1.1.3-1.2.1 installed 60 k nautilus i386 2.16.2-7.el5 installed 12 M nautilus-cd-burner i386 2.16.0-7.el5 installed 1.7 M nautilus-open-terminal i386 0.6-7.el5 installed 58 k orca i386 1.0.0-5.el5 installed 3.4 M rhythmbox i386 0.11.6-4.el5 installed 12 M sound-juicer i386 2.16.0-3.el5 installed 2.4 M totem i386 2.16.7-6.el5 installed 5.0 M Transaction Summary ========================================================================================== Remove 23 Package(s) Reinstall 0 Package(s) Downgrade 0 Package(s) Is this ok [y/N]: y Downloading Packages: Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Erasing : gnome-pilot 1/23 Erasing : nautilus 2/23 Erasing : eel2 3/23 Erasing : orca 4/23 Erasing : eog 5/23 Erasing : sound-juicer 6/23 Erasing : evolution 7/23 Erasing : nautilus-open-terminal 8/23 Erasing : libgail-gnome 9/23 Erasing : rhythmbox 10/23 Erasing : gnome-netstatus 11/23 Erasing : gnome-desktop 12/23 Erasing : gnome-session 13/23 Erasing : control-center 14/23 Erasing : gnome-utils 15/23 Erasing : gnome-python2-applet 16/23 Erasing : gnome-panel 17/23 Erasing : gnome-applets 18/23 Erasing : nautilus-cd-burner 19/23 Erasing : gnome-volume-manager 20/23 Erasing : evolution-connector 21/23 Erasing : gnome-media 22/23 Erasing : totem 23/23 Removed: gnome-desktop.i386 0:2.16.0-1.el5.centos.1 Dependency Removed: control-center.i386 1:2.16.0-16.el5 eel2.i386 0:2.16.1-1.el5 eog.i386 0:2.16.0.1-6.el5 evolution.i386 0:2.12.3-19.el5 evolution-connector.i386 0:2.12.3-11.el5 gnome-applets.i386 1:2.16.0.1-19.el5 gnome-media.i386 0:2.16.1-3.el5 gnome-netstatus.i386 0:2.12.0-5.el5 gnome-panel.i386 0:2.16.1-7.el5 gnome-pilot.i386 0:2.0.13-16 gnome-python2-applet.i386 0:2.16.0-3.el5 gnome-session.i386 0:2.16.0-7.el5.centos gnome-utils.i386 1:2.16.0-5.el5 gnome-volume-manager.i386 0:2.15.0-5.el5 libgail-gnome.i386 0:1.1.3-1.2.1 nautilus.i386 0:2.16.2-7.el5 nautilus-cd-burner.i386 0:2.16.0-7.el5 nautilus-open-terminal.i386 0:0.6-7.el5 orca.i386 0:1.0.0-5.el5 rhythmbox.i386 0:0.11.6-4.el5 sound-juicer.i386 0:2.16.0-3.el5 totem.i386 0:2.16.7-6.el5 Complete! [root@server ~]#exit
