lsb_release -a
No LSB modules are available.
Distributor ID:   Ubuntu
Description:   Ubuntu 16.04.2 LTS
Release:   16.04
Codename:   xenial


 grep ^ /etc/apt/sources.list.d/* /etc/apt/sources.list | more
/etc/apt/sources.list.d/flexiondotorg-ubuntu-hal-flash-xenial.list:deb http://pp
a.launchpad.net/flexiondotorg/hal-flash/ubuntu xenial main
/etc/apt/sources.list.d/flexiondotorg-ubuntu-hal-flash-xenial.list:deb-src http:
//ppa.launchpad.net/flexiondotorg/hal-flash/ubuntu xenial main
/etc/apt/sources.list.d/flexiondotorg-ubuntu-hal-flash-xenial.list.save:deb http
://ppa.launchpad.net/flexiondotorg/hal-flash/ubuntu xenial main
/etc/apt/sources.list.d/flexiondotorg-ubuntu-hal-flash-xenial.list.save:deb-src
http://ppa.launchpad.net/flexiondotorg/hal-flash/ubuntu xenial main
/etc/apt/sources.list.d/google.list:# deb http://dl.google.com/linux/chrome/deb/
 stable main # desabilitado na atualização para xenial
/etc/apt/sources.list.d/google.list:deb http://dl.google.com/linux/chrome/deb/ s
table main
/etc/apt/sources.list.d/google.list.distUpgrade:deb http://dl.google.com/linux/c
hrome/deb/ stable main
/etc/apt/sources.list.d/google.list.save:# deb http://dl.google.com/linux/chrome
/deb/ stable main # desabilitado na atualização para xenial
/etc/apt/sources.list.d/google.list.save:deb http://dl.google.com/linux/chrome/d
eb/ stable main
/etc/apt/sources.list.d/nilarimogard-ubuntu-webupd8-xenial.list:deb http://ppa.l
aunchpad.net/nilarimogard/webupd8/ubuntu xenial main
/etc/apt/sources.list.d/nilarimogard-ubuntu-webupd8-xenial.list:# deb-src http:/
/ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial main
/etc/apt/sources.list.d/nilarimogard-ubuntu-webupd8-xenial.list.save:deb http://
ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial main
/etc/apt/sources.list.d/nilarimogard-ubuntu-webupd8-xenial.list.save:# deb-src h
ttp://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial main
/etc/apt/sources.list.d/team-xbmc-ubuntu-ppa-wily.list:deb http://ppa.launchpad.
net/team-xbmc/ppa/ubuntu xenial main # desabilitado na atualização para xenial
/etc/apt/sources.list.d/team-xbmc-ubuntu-ppa-wily.list:deb-src http://ppa.launch
pad.net/team-xbmc/ppa/ubuntu wily main
/etc/apt/sources.list.d/team-xbmc-ubuntu-ppa-wily.list.distUpgrade:deb http://pp
a.launchpad.net/team-xbmc/ppa/ubuntu wily main
/etc/apt/sources.list.d/team-xbmc-ubuntu-ppa-wily.list.distUpgrade:# deb-src htt
p://ppa.launchpad.net/team-xbmc/ppa/ubuntu wily main
/etc/apt/sources.list.d/team-xbmc-ubuntu-ppa-wily.list.save:deb http://ppa.launc
hpad.net/team-xbmc/ppa/ubuntu xenial main # desabilitado na atualização para xen
ial
/etc/apt/sources.list.d/team-xbmc-ubuntu-ppa-wily.list.save:deb-src http://ppa.l
aunchpad.net/team-xbmc/ppa/ubuntu wily main
/etc/apt/sources.list.d/vivaldi.list:### THIS FILE IS AUTOMATICALLY CONFIGURED #
##
/etc/apt/sources.list.d/vivaldi.list:# You may comment out this entry, but any o
ther modifications may be lost.
/etc/apt/sources.list.d/vivaldi.list:deb http://repo.vivaldi.com/stable/deb/ sta
ble main
/etc/apt/sources.list.d/vivaldi.list.save:### THIS FILE IS AUTOMATICALLY CONFIGU
RED ###
/etc/apt/sources.list.d/vivaldi.list.save:# You may comment out this entry, but
any other modifications may be lost.
/etc/apt/sources.list.d/vivaldi.list.save:deb http://repo.vivaldi.com/stable/deb
/ stable main
/etc/apt/sources.list.d/webupd8team-ubuntu-java-xenial.list:deb http://ppa.launc
hpad.net/webupd8team/java/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-java-xenial.list:# deb-src http://ppa
.launchpad.net/webupd8team/java/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-java-xenial.list.save:deb http://ppa.
launchpad.net/webupd8team/java/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-java-xenial.list.save:# deb-src http:
//ppa.launchpad.net/webupd8team/java/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-sublime-text-3-xenial.list:deb http:/
/ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-sublime-text-3-xenial.list:# deb-src
http://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-sublime-text-3-xenial.list.save:deb h
ttp://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-sublime-text-3-xenial.list.save:# deb
-src http://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-tor-browser-xenial.list:deb http://pp
a.launchpad.net/webupd8team/tor-browser/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-tor-browser-xenial.list:deb-src http:
//ppa.launchpad.net/webupd8team/tor-browser/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-tor-browser-xenial.list.save:deb http
://ppa.launchpad.net/webupd8team/tor-browser/ubuntu xenial main
/etc/apt/sources.list.d/webupd8team-ubuntu-tor-browser-xenial.list.save:deb-src
http://ppa.launchpad.net/webupd8team/tor-browser/ubuntu xenial main
/etc/apt/sources.list:# See http://help.ubuntu.com/community/UpgradeNotes for ho
w to upgrade to
/etc/apt/sources.list:
/etc/apt/sources.list:# newer versions of the distribution.
/etc/apt/sources.list:deb http://br.archive.ubuntu.com/ubuntu/ xenial main multi
verse universe restricted
/etc/apt/sources.list:deb-src http://br.archive.ubuntu.com/ubuntu/ xenial main m
ultiverse universe restricted
/etc/apt/sources.list:
/etc/apt/sources.list:## Major bug fix updates produced after the final release
of the
/etc/apt/sources.list:## distribution.
/etc/apt/sources.list:
/etc/apt/sources.list:## N.B. software from this repository is ENTIRELY UNSUPPOR
TED by the Ubuntu
/etc/apt/sources.list:## team. Also, please note that software in universe WILL
NOT receive any
/etc/apt/sources.list:## review or updates from the Ubuntu security team.
/etc/apt/sources.list:
/etc/apt/sources.list:## N.B. software from this repository is ENTIRELY UNSUPPOR
TED by the Ubuntu
/etc/apt/sources.list:## team, and may not be under a free licence. Please satis
fy yourself as to
/etc/apt/sources.list:## your rights to use the software. Also, please note that
 software in
/etc/apt/sources.list:## multiverse WILL NOT receive any review or updates from
the Ubuntu
/etc/apt/sources.list:## security team.
/etc/apt/sources.list:
/etc/apt/sources.list:## N.B. software from this repository may not have been te
sted as
/etc/apt/sources.list:## extensively as that contained in the main release, alth
ough it includes
/etc/apt/sources.list:## newer versions of some applications which may provide u
seful features.
/etc/apt/sources.list:## Also, please note that software in backports WILL NOT r
eceive any review
/etc/apt/sources.list:## or updates from the Ubuntu security team.
/etc/apt/sources.list:
/etc/apt/sources.list:deb http://security.ubuntu.com/ubuntu xenial-security main
 multiverse universe restricted
/etc/apt/sources.list:deb-src http://security.ubuntu.com/ubuntu xenial-security
main multiverse universe restricted
/etc/apt/sources.list:deb http://liveusb.info/multisystem/depot all main
/etc/apt/sources.list:
/etc/apt/sources.list:## Uncomment the following two lines to add software from
Canonical's
/etc/apt/sources.list:## 'partner' repository.
/etc/apt/sources.list:## This software is not part of Ubuntu, but is offered by
Canonical and the
/etc/apt/sources.list:## respective vendors as a service to Ubuntu users.
/etc/apt/sources.list:deb http://archive.canonical.com/ubuntu wily partner
/etc/apt/sources.list:deb-src http://archive.canonical.com/ubuntu wily partner
/etc/apt/sources.list:deb http://dl.google.com/linux/deb/ stable main # desabili
tado na atualização para xenial
/etc/apt/sources.list:deb http://liveusb.info/multisystem/depot all main



 apt install synaptic
Lendo listas de pacotes... Pronto
Construindo árvore de dependências       
Lendo informação de estado... Pronto
Você deve querer executar 'apt-get -f install' para corrigí-los:
Os pacotes a seguir têm dependências desencontradas:
 adwaita-icon-theme : Depende: libgtk-3-bin mas não será instalado
 synaptic : Depende: libept1.5.0 mas não será instalado
            Depende: libvte-2.91-0 mas não será instalado
            Depende: libxapian22v5 mas não será instalado
            Recomenda: gksu mas não será instalado ou
                       kdebase-bin mas não será instalado ou
                       policykit-1 mas não será instalado
            Recomenda: libgtk2-perl (>= 1:1.130) mas não será instalado
            Recomenda: rarian-compat mas não será instalado
            Recomenda: xdg-utils mas não será instalado
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-pt_BR) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-pt) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
E: Dependências desencontradas. Tente 'apt-get -f install' sem nenhum pacote (ou especifique uma solução).


não tem o Synaptic e já tentei instalar e não dá certo

Já fiz isso. Não deu certo não.

 apt-get update
Atingido:1 http://br.archive.ubuntu.com/ubuntu xenial InRelease
Ign:2 http://dl.google.com/linux/deb stable InRelease                         
Ign:3 http://dl.google.com/linux/chrome/deb stable InRelease                   
Atingido:4 http://security.ubuntu.com/ubuntu xenial-security InRelease         
Atingido:5 http://dl.google.com/linux/deb stable Release                       
Atingido:6 http://archive.canonical.com/ubuntu wily InRelease                 
Ign:7 http://liveusb.info/multisystem/depot all InRelease                     
Atingido:8 http://dl.google.com/linux/chrome/deb stable Release               
Ign:9 http://repo.vivaldi.com/stable/deb stable InRelease                     
Atingido:11 http://liveusb.info/multisystem/depot all Release                 
Atingido:12 http://repo.vivaldi.com/stable/deb stable Release                 
Atingido:16 http://ppa.launchpad.net/flexiondotorg/hal-flash/ubuntu xenial InRelease
Atingido:17 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu xenial InRelease
Atingido:18 http://ppa.launchpad.net/team-xbmc/ppa/ubuntu xenial InRelease
Atingido:19 http://ppa.launchpad.net/team-xbmc/ppa/ubuntu wily InRelease
Atingido:20 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease
Atingido:21 http://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu xenial InRelease
Atingido:22 http://ppa.launchpad.net/webupd8team/tor-browser/ubuntu xenial InRelease
Lendo listas de pacotes... Pronto
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-pt_BR) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-pt) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://dl.google.com/linux/deb stable InRelease' doesn't support architecture 'i386'
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://dl.google.com/linux/chrome/deb stable InRelease' doesn't support architecture 'i386'
W: Target Packages (main/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-pt_BR) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-pt) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target DEP-11 (main/dep11/Components-i386.yml) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:28 and /etc/apt/sources.list:37
root@#######/home/anastacio# apt-get upgrade
Lendo listas de pacotes... Pronto
Construindo árvore de dependências       
Lendo informação de estado... Pronto
Você pode querer executar 'apt-get -f install' para corrigí-los.
Os pacotes a seguir têm dependências desencontradas:
 adwaita-icon-theme : Depende: libgtk-3-bin mas não está instalado
E: Dependências desencontradas. Tente usar -f.
root@########:/home/anastacio# apt-get -f install
Lendo listas de pacotes... Pronto
Construindo árvore de dependências       
Lendo informação de estado... Pronto
Corrigindo dependências... Pronto
The following additional packages will be installed:
  libgtk-3-bin
Os NOVOS pacotes a seguir serão instalados:
  libgtk-3-bin
0 pacotes atualizados, 1 pacotes novos instalados, 0 a serem removidos e 0 não atualizados.
8 pacotes não totalmente instalados ou removidos.
É preciso baixar 0 B/55,3 kB de arquivos.
Depois desta operação, 282 kB adicionais de espaço em disco serão usados.
Você quer continuar? [S/n] s
(Lendo banco de dados ... 22486 ficheiros e directórios actualmente instalados.)
A preparar para desempacotar .../libgtk-3-bin_3.18.9-1ubuntu3_i386.deb ...
A acrescentar 'desvio de /usr/sbin/update-icon-caches para /usr/sbin/update-icon-caches.gtk2 por libgtk-3-bin'
dpkg-divert: erro: renomear envolve sobrescrever '/usr/sbin/update-icon-caches.gtk2' com
  arquivo diferente '/usr/sbin/update-icon-caches', não permitido
dpkg: erro ao processar o arquivo /var/cache/apt/archives/libgtk-3-bin_3.18.9-1ubuntu3_i386.deb (--unpack):
 sub-processo novo script pre-installation retornou estado de saída de erro 2
Erros foram encontrados durante o processamento de:
 /var/cache/apt/archives/libgtk-3-bin_3.18.9-1ubuntu3_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)