Para dejar tu ubuntu 10.10 Maverick Meerkat fino una vez instalado solo tienes que ir al menu Aplicaciones -> Accesorios -> Terminal
Ahora copia y pega las siguientes ordenes ó comandos en el terminal, dale a intro, te pedira tu contraseña (escribela y pulsa intro aunque no se vea que escribe) una vez terminado tu ubuntu estara listo para funcionar con todos los codecs y programas mas comunes:
sudo wget http://www.medibuntu.org/sources.list.d/`lsb_release -cs`.list --output-document=/etc/apt/sources.list.d/medibuntu.list && sudo apt-get -q update && sudo apt-get --yes -q --allow-unauthenticated install medibuntu-keyring && sudo add-apt-repository "deb http://archive.canonical.com/ `lsb_release -cs` partner"; sudo apt-get -q update
sudo apt-get install aptitude skype gparted build-essential linux-headers-`uname -r` flashplugin-nonfree audacity vlc k3b avidemux compizconfig-settings-manager simple-ccsm gnome-art gnome-themes-extras devede lives mjpegtools nautilus-open-terminal cheese rar unace unrar p7zip p7zip-full arj dvdrip soundconverter libdvdcss2 gstreamer0.10-ffmpeg gstreamer0.10-plugins-bad gstreamer0.10-plugins-ugly libmp3lame0 recordmydesktop samba nautilus-gksu mandvd hddtemp openoffice.org-help-es openoffice.org-l10n-es openoffice.org-base clamtk hardinfo playonlinux acidrip ttf-droid nrg2iso unace-nonfree unp alien debhelper html2text intltool-debian rpm-common libsys-hostname-long-perl po-debconf rpm python-statgrab ttf-liberation lm-sensors tesseract-ocr-spa gimp ntfs-config ubuntu-restricted-extras gstreamer0.10-plugins-ugly gstreamer0.10-plugins-ugly-multiverse gstreamer0.10-plugins-bad gstreamer0.10-plugins-bad-multiverse gstreamer0.10-ffmpeg gstreamer0.10-plugins-ugly gstreamer0.10-ffmpeg gstreamer0.10-ffmpeg gstreamer0.10-plugins-bad gstreamer0.10-plugins-bad-multiverse gstreamer0.10-plugins-ugly gstreamer0.10-plugins-ugly-multiverse libdvdcss2 libdvdnav4 build-essential debhelper fakeroot flashplugin-nonfree ttf-mscorefonts-installer vlc audacity inkscape filezilla k3b gmountiso mencoder sensors-applet lm-sensors cheese ffmpeg2theora mencoder mplayer libogg-dev libvorbis-dev vorbis-tools imagemagick youtube-dl dvdauthor sox mjpegtools ffmpeg gddrescue dvdbackup ccd2iso nrg2iso mdf2iso bchunk transcode k3b kipi-plugins kommander lame faac flac simple-ccsm rar hoz hoz-gui mp3info flvtool2 ufraw id3 pdftk mpgtx pdfjam mp3splt nautilus-script-audio-convert nautilus-script-manager nautilus-script-debug x11vnc xtightvncviewer devede dvd95 oggconvert hwinfo sysinfo parcellite smbfs community-themes kdegraphics antiword unrtf odt2txt txt2tags cups-pdf disktype testdisk jokosher kdenlive docky libk3b6-extracodecs libk3b6 gimp gimp-data gimp-gap gimp-data-extras gimp-help-common gimp-help-es kde-l10n-engb gnome-user-guide-en language-pack-kde-en kde-l10n-es gimp-help-es openoffice.org-help-es gnome-user-guide-es openoffice.org-l10n-es language-support-writing-es system-config-samba arista nautilus-arista acroread acroread-fonts mesa-utils w32codecs