Opa consegui, era pra usar o terminal. Bem útil isso. Tive que fazer um arquivo txt e passar prum outro computador pois o que está com o linux instalado não possui acesso à internet. Aqui vai o tal source list:
Codigo:
# See
http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb cdrom:[Ubuntu 7.04 _Feisty Fawn_ - Release i386 (20070415)]/ feisty main restricted
deb
http://br.archive.ubuntu.com/ubuntu/ feisty main restricted multiverse universe
## Major bug fix updates produced after the final release of the
## distribution.
deb
http://br.archive.ubuntu.com/ubuntu/ feisty-updates main restricted multiverse universe
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
## Uncomment the following two lines to add software from the 'backports'
## repository.
## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb
http://br.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse
# deb-src
http://br.archive.ubuntu.com/ubuntu/ feisty-backports main restricted universe multiverse
deb
http://security.ubuntu.com/ubuntu feisty-security main restricted multiverse universe
deb cdrom:[Ubuntu 7.04 _Feisty Fawn_ - Release i386 (20070415)]/ feisty main restricted
deb cdrom:[Ubuntu 7.04 _Feisty Fawn_ - Release i386 (20070415)]/ feisty main restricted
----
Espero que seja isso.
MT