[Ubuntu-BR] Problema na atualização dos pacotes

[Vera Lucia Ribeiro]

Olá Pessoal!

Estou precisando da ajuda de vcs...estou tentando instalar os pacotes do
Kelix pelo Synaptic e está me aparecendo este erro: W: GPG error:
http://www.datakeylive.com gutsy Release: As assinaturas a seguir não
puderam ser verificadas devido a chave pública não estar disponível:
NO_PUBKEY 9A846FB7E147B317

fiz algumas alteracoes no sources.list e foi ai q me perdi....o sources.list
está assim, como abaixo:

#
# deb cdrom:[Ubuntu 7.10 _Gutsy Gibbon_ - Release i386 (20071016.1)]/ gutsy
main restricted

# deb cdrom:[Ubuntu 7.10 _Gutsy Gibbon_ - Release i386 (20071016.1)]/ gutsy
main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://br.archive.ubuntu.com/ubuntu/ gutsy main multiverse restricted
deb-src http://br.archive.ubuntu.com/ubuntu/ gutsy main

## Major bug fix updates produced after the final release of the
## distribution.

## 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.
deb http://br.archive.ubuntu.com/ubuntu/ gutsy universe
deb-src http://br.archive.ubuntu.com/ubuntu/ gutsy 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
## 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.

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository. This software is not part of Ubuntu, but is
## offered by Canonical and the respective vendors as a service to Ubuntu
## users.
deb http://archive.canonical.com/ubuntu gutsy partner
deb-src http://archive.canonical.com/ubuntu gutsy partner
deb http://inf.upf.br/~kelix kelix 2.0

##deb http://security.ubuntu.com/ubuntu gutsy-security main restricted
##deb-src http://security.ubuntu.com/ubuntu gutsy-security main restricted
##deb http://security.ubuntu.com/ubuntu gutsy-security universe
##deb-src http://security.ubuntu.com/ubuntu gutsy-security universe
##deb http://security.ubuntu.com/ubuntu gutsy-security multiverse
##deb-src http://security.ubuntu.com/ubuntu gutsy-security multiverse

#AUTOMATIX REPOS START

# deb http://www.getautomatix.com/apt gutsy main
#AUTOMATIX REPOS END


# FreeNX
deb http://www.datakeylive.com/ubuntu gutsy main
deb-src http://www.datakeylive.com/ubuntu gutsy main

# SIP Communicator
deb http://download.sip-communicator.org/deb binary/
#
# Ubuntu mirror at Universidade de Passo Fundo - RS - Brasil
# Contact info: rede em upf.br
#
# deb http://ftp.upf.br/pub/linux/ubuntu gutsy main restricted universe
multiverse
# deb http://ftp.upf.br/pub/linux/ubuntu gutsy-updates main restricted
universe multiverse
# deb http://ftp.upf.br/pub/linux/ubuntu gutsy-security main restricted
universe multiverse
# deb http://ftp.upf.br/pub/linux/ubuntu gutsy-backports main restricted
universe multiverse
deb http://security.ubuntu.com/ubuntu/ gutsy-security restricted main
multiverse universe


Como faço para resolver isso, alguem pode me ajudar...

Aguardo o retorno carinhosamente

Vera