сложи си този сорс лист, по този начин:
sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup
sudo gedit /etc/apt/sources.list
ctrl+A ctrl+C
запазваш файла и после :apt-get update, или през синаптик.
# Automatically generated sources.list
#
http://www.ubuntulinux.nl/source-o-matic#
# If you get errors about missing keys, lookup the key in this file
# and run these commands (replace KEY with the key number)
#
# gpg --keyserver subkeys.pgp.net --recv KEY
# gpg --export --armor KEY | sudo apt-key add -
# Ubuntu supported packages (packages, GPG key: 437D05B5)
deb
http://us.archive.ubuntu.com/ubuntu dapper main restricted
deb
http://us.archive.ubuntu.com/ubuntu dapper-updates main restricted
deb
http://security.ubuntu.com/ubuntu dapper-security main restricted
# Ubuntu supported packages (sources, GPG key: 437D05B5)
deb-src
http://us.archive.ubuntu.com/ubuntu dapper main restricted
deb-src
http://us.archive.ubuntu.com/ubuntu dapper-updates main restricted
deb-src
http://security.ubuntu.com/ubuntu dapper-security main restricted
# Ubuntu community supported packages (packages, GPG key: 437D05B5)
deb
http://us.archive.ubuntu.com/ubuntu dapper universe multiverse
deb
http://us.archive.ubuntu.com/ubuntu dapper-updates universe multiverse
deb
http://security.ubuntu.com/ubuntu dapper-security universe multiverse
# Ubuntu community supported packages (sources, GPG key: 437D05B5)
deb-src
http://us.archive.ubuntu.com/ubuntu dapper universe multiverse
deb-src
http://us.archive.ubuntu.com/ubuntu dapper-updates universe multiverse
deb-src
http://security.ubuntu.com/ubuntu dapper-security universe multiverse
# Seveas' packages (packages, GPG key: 1135D466)
deb
http://mirror2.ubuntulinux.nl dapper-seveas all
# Seveas' packages (sources, GPG key: 1135D466)
deb-src
http://mirror.ubuntulinux.nl dapper-seveas all
# Cipherfunk multimedia packages (packages, GPG key: 33BAC1B3)
deb <a href="" target="_blank">
ftp://cipherfunk.org/pub/packages/ubuntu/</a> dapper main
# Cipherfunk multimedia packages (sources, GPG key: 33BAC1B3)
deb-src <a href="" target="_blank">
ftp://cipherfunk.org/pub/packages/ubuntu</a> dapper main
# kubuntu.org packages for the latest KDE version (packages, GPG key: DD4D5088)
deb
http://kubuntu.org/packages/kde-latest dapper main
# kubuntu.org packages for the latest KDE version (sources, GPG key: DD4D5088)
deb-src
http://kubuntu.org/packages/kde-latest dapper main
# kubuntu.org packages for the latest Koffice version (packages, GPG key: DD4D5088)
deb
http://kubuntu.org/packages/koffice-latest dapper main
# kubuntu.org packages for the latest Koffice version (sources, GPG key: DD4D5088)
deb-src
http://kubuntu.org/packages/koffice-latest dapper main
# kubuntu.org packages for the latest amaroK version (packages, GPG key: DD4D5088)
deb
http://kubuntu.org/packages/amarok-latest dapper main
# kubuntu.org packages for the latest amaroK version (sources, GPG key: DD4D5088)
deb-src
http://kubuntu.org/packages/amarok-latest dapper main
# Bleeding edge wine packages (packages)
# deb
http://wine.budgetdedicated.com/apt dapper main
# Bleeding edge wine packages (sources)
# deb-src
http://wine.budgetdedicated.com/apt dapper main
# Bazaar-NG development (packages, GPG key: 1F44842D)
deb
http://people.ubuntu.com/~jbailey/snapshot/bzr ./
# Bazaar-NG development (sources, GPG key: 1F44842D)
deb-src
http://people.ubuntu.com/~jbailey/snapshot/bzr ./
#XGL
deb
http://www.beerorkid.com/compiz/ dapper main
deb
http://xgl.compiz.info/ dapper main