If you’ve installed KDE and find yourself yearning for the Gnome desktop, here’s what you need to do to get KDE off of your Ubuntu install:
The method for uninstalling KDE depends on the method you used to install the desktop environment.
If KDE was installed by using aptitude:
Execute the following command in a terminal window:sudo aptitude remove kubuntu-desktop
But if you installed KDE by using apt-get or Synaptic, there will be a little more to copy to the terminal window:
Execute the following command in a terminal window:sudo apt-get remove adept adept-batch adept-common adept-installer adept-manager adept-notifier adept-updater akregator amarok amarok-xine apport-qt ark arts debtags digikam dolphin enscript fftw3 foomatic-db-gutenprint gdebi-kde gnupg-agent gpgsm gtk-qt-engine gwenview hplip-gui hwdb-client-kde ijsgutenprint k3b kaddressbook kaffeine kaffeine-xine kamera karm katapult kate kbstate kcontrol kcron kde-guidance kde-guidance-powermanager kde-icons-mono kde-style-polyester kde-systemsettings kdeadmin-kfile-plugins kdebase-bin kdebase-data kdebase-kio-plugins kdebluetooth kdegraphics-kfile-plugins kdelibs-data kdelibs4c2a kdemultimedia-kfile-plugins kdemultimedia-kio-plugins kdenetwork-filesharing kdenetwork-kfile-plugins kdepasswd kdepim-kio-plugins kdepim-kresources kdepim-wizards kdeprint kdesktop kdesudo kdm kdnssd keep kfind kghostview khelpcenter kicker kio-apt kio-locate kio-umountwrapper kipi-plugins klipper kmag kmail kmailcvt kmenuedit kmilo kmix kmousetool kmplayer-base kmplayer-konq-plugins knetworkconf knotes konq-plugins konqueror konqueror-nsplugins konsole kontact konversation kooka kopete korganizer kpdf kpf kppp krdc krfb kscreensaver ksmserver ksnapshot ksplash ksplash-engine-moodin ksvg ksysguard ksysguardd ksystemlog ktorrent kubuntu-artwork-usplash kubuntu-default-settings kubuntu-desktop kubuntu-docs kubuntu-konqueror-shortcuts kvkbd kwalletmanager kwin kwin-style-crystal language-selector-qt libakode2 libarts1-akode libarts1c2a libartsc0 libaudio2 libavahi-qt3-1 libclucene0 libcluceneindex0 libdbus-qt-1-1c2 libept0 libexiv2-0 libflac++6 libgmp3c2 libgpgme11 libid3tag0 libifp4 libijs-0.35 libimlib2 libjpeg-progs libk3b2 libkbluetooth0 libkcal2b libkcddb1 libkdcraw1 libkdepim1a libkexiv2-1 libkipi0 libkleopatra1 libkmime2 libkonq4 libkpimexchange1 libkpimidentities1 libksba8 libkscan1 libksieve0 libktnef1 liblua50 liblualib50 libmimelib1c2a libmodplug0c2 libmpcdec3 libmysqlclient15off libnjb5 libofa0 libopenexr2c2a libopenobex1 libpoppler-qt2 libpq5 libpth20 libpulse0 libpythonize0 libqt-perl libqt3-mt libqt4-core libqt4-gui librsync1 libruby1.8 libsamplerate0 libsearchclient0 libskim0 libsmokeqt1 libstreamanalyzer0 libstreams0 libstrigihtmlgui0 libtunepimp5 libungif4g libxapian15 libxcb-shape0 libxcb-shm0 libxcb-xv0 libxcb1 libxine1 libxvmc1 mysql-common network-manager-kde networkstatus openoffice.org-kde openoffice.org-style-crystal perl-suid pinentry-qt poster psutils pykdeextensions python-kde3 python-qt3 python-qt4 python-qt4-dbus python-sip4 python2.5-dev qca-tls rdiff-backup restricted-manager-kde ruby ruby1.8 scim-qtimm skim software-properties-kde speedcrunch strigi-applet strigi-daemon && sudo apt-get install ubuntu-desktop
