Pokud máš Ubuntu 10.10, tak použij to co je níže. Pokud máš jiné vydání, zaměň maverick za code name toho daného vydání, tzn hardy, lucid, karmic, atd.
deb http://archive.ubuntu.com/ubuntu maverick main restricted
deb-src http://archive.ubuntu.com/ubuntu maverick main restricted
deb http://security.ubuntu.com/ubuntu maverick-security main restricted
deb-src http://security.ubuntu.com/ubuntu maverick-security main restricted
deb http://cz.archive.ubuntu.com/ubuntu maverick-backports main restricted
deb-src http://cz.archive.ubuntu.com/ubuntu maverick-backports main restricted
deb http://archive.ubuntu.com/ubuntu maverick-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu maverick-updates main restricted
deb http://archive.ubuntu.com/ubuntu maverick universe
deb-src http://archive.ubuntu.com/ubuntu maverick universe
deb http://archive.ubuntu.com/ubuntu maverick-updates universe
deb-src http://archive.ubuntu.com/ubuntu maverick-updates universe
deb http://security.ubuntu.com/ubuntu maverick-security universe
deb-src http://security.ubuntu.com/ubuntu maverick-security universe
deb http://cz.archive.ubuntu.com/ubuntu maverick-backports universe
deb-src http://cz.archive.ubuntu.com/ubuntu maverick-backports universe
deb http://archive.ubuntu.com/ubuntu maverick multiverse
deb-src http://archive.ubuntu.com/ubuntu maverick multiverse
deb http://archive.ubuntu.com/ubuntu maverick-updates multiverse
deb-src http://archive.ubuntu.com/ubuntu maverick-updates multiverse
deb http://security.ubuntu.com/ubuntu maverick-security multiverse
deb-src http://security.ubuntu.com/ubuntu maverick-security multiverse
deb http://cz.archive.ubuntu.com/ubuntu maverick-backports multiverse
deb-src http://cz.archive.ubuntu.com/ubuntu maverick-backports multiverse
deb http://archive.canonical.com/ubuntu maverick partner
deb http://packages.medibuntu.org/ maverick free non-free