otros repositorios

  # Google software repository http://www.google.com/linuxrepositories/apt.html
  deb http://dl.google.com/linux/deb/ stable non-free
  # Unofficial Debian packages
  # http://packages.kirya.net/
  # deb http://packages.kirya.net/debian/ unstable main contrib non-free
  # deb-src http://packages.kirya.net/debian/ unstable main contrib non-free

deb http://archive.ubuntu.com/ubuntu dapper main restricted
deb-src http://archive.ubuntu.com/ubuntu dapper main restricted

deb http://archive.ubuntu.com/ubuntu dapper-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu dapper-updates main restricted

deb http://archive.ubuntu.com/ubuntu dapper universe
deb-src http://archive.ubuntu.com/ubuntu dapper universe

deb http://security.ubuntu.com/ubuntu dapper-security main restricted
deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted

deb http://security.ubuntu.com/ubuntu dapper-security universe
deb-src http://security.ubuntu.com/ubuntu dapper-security universe

deb http://archive.ubuntu.com/ubuntu dapper multiverse
deb-src http://archive.ubuntu.com/ubuntu dapper multiverse

/etc/apt/sources.list.d/dropbox.list

deb http://www.getdropbox.com/static/ubuntu hardy main
deb-src http://www.getdropbox.com/static/ubuntu hardy main

sudo apt-get install software-properties-common

sudo add-apt-repository ppa:stebbins/handbrake-snapshots

sudo add-apt-repository ppa:videolan/stable-daily

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys BBEBDCB318AD50EC6865090613B00F1FD2C19886
echo deb http://repository.spotify.com stable non-free | sudo tee /etc/apt/sources.list.d/spotify.list
 
sudo apt-get install spotify-client

sudo apt-add-repository ppa:landronimirc/clamtk
sudo apt-get update && sudo apt-get install clamtk

• para actualizar el fichero de firmas: sudo freshclam
• para escanear: clamscan OPTIONS File/Folder

ubuntu:

sudo add-apt-repository ppa:libreoffice/ppa

http://unetbootin.github.io/linux_download.html → no funcionó en Debian correctamente

sudo add-apt-repository ppa:gezakovacs/ppa

sudo add-apt-repository ppa:haraldhv/shotcut

usar la tecla META para abrir menú (en KDE, GNOME, …)

sudo add-apt-repository ppa:mehanik/ksuperkey

sudo add-apt-repository ppa:rvm/smplayer