Atualizando erros do Ubuntu & Noively lançado pelo APT -- 16.04 campo com apt campo com package-management campo com updates camp askubuntu Relacionado O problema

Updating Ubuntu & understanding errors thrown by APT


2
vote

problema

português

Eu sou novo para o Ubuntu, mas recentemente comecei a usar o Ubuntu no meu laptop para quase tudo.

I executado sudo apt-get update para atualizar meu sistema, mas eu não entendo a saída. Eu não sei se a saída é normal ou há alguns erros que eu preciso para resolver.

  Ign:1 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial InRelease Ign:2 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial Release Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Err:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages   Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:17 http://dl.google.com/linux/chrome/deb stable InRelease Get:18 http://dl.google.com/linux/chrome/deb stable Release [1,189 B]           Get:19 http://dl.google.com/linux/chrome/deb stable Release.gpg [819 B]         Hit:20 http://ppa.launchpad.net/alessandro-strada/ppa/ubuntu xenial InRelease   Get:21 http://dl.google.com/linux/chrome/deb stable/main amd64 Packages [1,407 B] Hit:22 https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease           Ign:23 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial InRelease       Get:24 http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease [18.1 kB] Ign:24 http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease   Hit:25 http://ppa.launchpad.net/noobslab/themes/ubuntu xenial InRelease         Hit:26 http://ppa.launchpad.net/numix/ppa/ubuntu xenial InRelease               Get:27 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial InRelease [18.0 kB] Hit:28 http://ppa.launchpad.net/snwh/pulp/ubuntu xenial InRelease               Hit:29 http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu xenial InRelease   Hit:30 http://ppa.launchpad.net/webupd8team/atom/ubuntu xenial InRelease        Hit:31 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease        Ign:32 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial Release         Get:33 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial/main amd64 Packages [2,496 B] Get:34 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial/main i386 Packages [2,496 B] Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Hit:42 http://archive.ubuntu.com/ubuntu xenial InRelease                        Hit:43 http://archive.canonical.com/ubuntu xenial InRelease                     Get:44 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]       Hit:45 http://archive.canonical.com xenial InRelease                            Ign:46 http://repo.vivaldi.com/stable/deb stable InRelease                      Hit:47 http://repo.vivaldi.com/stable/deb stable Release                        Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Get:49 https://deb.nodesource.com/node_6.x xenial InRelease [4,634 B]           Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Get:50 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB] Hit:51 https://packages.microsoft.com/repos/vscode stable InRelease             Hit:52 https://download.sublimetext.com apt/stable/ InRelease                   Get:53 https://deb.nodesource.com/node_6.x xenial/main amd64 Packages [1,003 B] Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Get:54 https://deb.nodesource.com/node_6.x xenial/main i386 Packages [1,001 B]  Get:55 http://archive.ubuntu.com/ubuntu xenial-security InRelease [102 kB]      Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Hit:56 https://deb.opera.com/opera-stable stable InRelease                      Get:57 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [678 kB] Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Get:58 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease [23.5 kB] Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Get:59 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [637 kB] Get:60 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata [307 kB] Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Get:61 http://archive.ubuntu.com/ubuntu xenial-updates/main DEP-11 64x64 Icons [213 kB] Get:62 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [564 kB] Get:63 https://packagecloud.io/slacktechnologies/slack/debian jessie/main amd64 Packages [8,044 B] Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Get:64 http://archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [529 kB] Ign:65 https://packagecloud.io/slacktechnologies/slack/debian jessie/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Get:66 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 DEP-11 Metadata [185 kB] Get:67 http://archive.ubuntu.com/ubuntu xenial-updates/universe DEP-11 64x64 Icons [259 kB] Get:65 https://packagecloud.io/slacktechnologies/slack/debian jessie/main i386 Packages [5,003 B] Get:68 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 DEP-11 Metadata [5,892 B] Get:69 http://archive.ubuntu.com/ubuntu xenial-backports/main amd64 DEP-11 Metadata [3,328 B] Get:70 http://archive.ubuntu.com/ubuntu xenial-backports/universe amd64 DEP-11 Metadata [4,676 B] Get:71 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 DEP-11 Metadata [62.5 kB] Get:72 http://archive.ubuntu.com/ubuntu xenial-security/main DEP-11 64x64 Icons [62.6 kB] Get:73 http://archive.ubuntu.com/ubuntu xenial-security/universe amd64 DEP-11 Metadata [51.4 kB] Get:74 http://archive.ubuntu.com/ubuntu xenial-security/universe DEP-11 64x64 Icons [70.8 kB] Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Err:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages                                                                     404  Not Found Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages                                                                    Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages                                                                     Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US                                                                Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en                                                                   Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata                                                            Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons                                                               Fetched 4,027 kB in 16s (250 kB/s)                                                                                                                    Reading package lists... Done W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:2 and /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:3 W: The repository 'cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. W: https://download.01.org/gfx/ubuntu/16.04/main/dists/xenial/InRelease: Signature by key 09D6EF97BFB38E916EF060E756A3DEF863961D39 uses weak digest algorithm (SHA1) W: GPG error: http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7036069A2F22E44A W: The repository 'http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease' is not signed. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. W: The repository 'http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. E: Failed to fetch cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2)/dists/xenial/main/binary-amd64/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs E: Failed to fetch http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages  404  Not Found E: Some index files failed to download. They have been ignored, or old ones used instead. W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:2 and /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:3    

update: Após seguir sugestões fornecidas por Zanna e sugestões de todos os links incluídos em sua resposta, minha saída é a seguinte:

  sudo apt-get update Hit:1 http://archive.canonical.com xenial InRelease                             Hit:2 http://archive.ubuntu.com/ubuntu xenial InRelease                         Hit:3 http://ppa.launchpad.net/alessandro-strada/ppa/ubuntu xenial InRelease Get:4 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]        Hit:5 https://download.sublimetext.com apt/stable/ InRelease                    Hit:6 http://ppa.launchpad.net/noobslab/themes/ubuntu xenial InRelease          Hit:7 https://deb.opera.com/opera-stable stable InRelease                       Hit:8 http://ppa.launchpad.net/numix/ppa/ubuntu xenial InRelease         Get:9 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]      Hit:10 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial InRelease         Hit:11 https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease           Hit:12 https://deb.nodesource.com/node_6.x xenial InRelease Hit:13 https://packages.microsoft.com/repos/vscode stable InRelease Hit:14 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease                      Get:15 http://archive.ubuntu.com/ubuntu xenial-security InRelease [102 kB]                          Hit:16 http://ppa.launchpad.net/snwh/pulp/ubuntu xenial InRelease                      Hit:17 http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu xenial InRelease                                     Hit:18 http://ppa.launchpad.net/ubuntuhandbook1/apps/ubuntu xenial InRelease    Hit:19 http://ppa.launchpad.net/webupd8team/atom/ubuntu xenial InRelease        Hit:20 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease        Fetched 306 kB in 5s (52.6 kB/s)                    Reading package lists... Done W: https://download.01.org/gfx/ubuntu/16.04/main/dists/xenial/InRelease: Signature by key 09D6EF97BFB38E916EF060E756A3DEF863961D39 uses weak digest algorithm (SHA1)    
english

I am new to Ubuntu but I recently started using Ubuntu on my laptop for almost everything.

I executed sudo apt-get update to update my system, but I do not understand the output. I don't know whether the output is normal or there are some errors that I need to address.

Ign:1 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial InRelease Ign:2 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial Release Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Ign:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:5 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main all Packages Ign:6 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en_US Ign:7 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main Translation-en Ign:8 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 DEP-11 Metadata Ign:9 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main DEP-11 64x64 Icons Ign:10 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 Packages Ign:11 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted i386 Packages Ign:12 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted all Packages Ign:13 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en_US Ign:14 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted Translation-en Ign:15 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted amd64 DEP-11 Metadata Ign:16 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/restricted DEP-11 64x64 Icons Err:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages   Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs Ign:4 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main i386 Packages Ign:17 http://dl.google.com/linux/chrome/deb stable InRelease Get:18 http://dl.google.com/linux/chrome/deb stable Release [1,189 B]           Get:19 http://dl.google.com/linux/chrome/deb stable Release.gpg [819 B]         Hit:20 http://ppa.launchpad.net/alessandro-strada/ppa/ubuntu xenial InRelease   Get:21 http://dl.google.com/linux/chrome/deb stable/main amd64 Packages [1,407 B] Hit:22 https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease           Ign:23 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial InRelease       Get:24 http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease [18.1 kB] Ign:24 http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease   Hit:25 http://ppa.launchpad.net/noobslab/themes/ubuntu xenial InRelease         Hit:26 http://ppa.launchpad.net/numix/ppa/ubuntu xenial InRelease               Get:27 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial InRelease [18.0 kB] Hit:28 http://ppa.launchpad.net/snwh/pulp/ubuntu xenial InRelease               Hit:29 http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu xenial InRelease   Hit:30 http://ppa.launchpad.net/webupd8team/atom/ubuntu xenial InRelease        Hit:31 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease        Ign:32 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial Release         Get:33 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial/main amd64 Packages [2,496 B] Get:34 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial/main i386 Packages [2,496 B] Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Hit:42 http://archive.ubuntu.com/ubuntu xenial InRelease                        Hit:43 http://archive.canonical.com/ubuntu xenial InRelease                     Get:44 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]       Hit:45 http://archive.canonical.com xenial InRelease                            Ign:46 http://repo.vivaldi.com/stable/deb stable InRelease                      Hit:47 http://repo.vivaldi.com/stable/deb stable Release                        Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Get:49 https://deb.nodesource.com/node_6.x xenial InRelease [4,634 B]           Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Get:50 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB] Hit:51 https://packages.microsoft.com/repos/vscode stable InRelease             Hit:52 https://download.sublimetext.com apt/stable/ InRelease                   Get:53 https://deb.nodesource.com/node_6.x xenial/main amd64 Packages [1,003 B] Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Get:54 https://deb.nodesource.com/node_6.x xenial/main i386 Packages [1,001 B]  Get:55 http://archive.ubuntu.com/ubuntu xenial-security InRelease [102 kB]      Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Hit:56 https://deb.opera.com/opera-stable stable InRelease                      Get:57 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [678 kB] Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Get:58 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease [23.5 kB] Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Get:59 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [637 kB] Get:60 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 DEP-11 Metadata [307 kB] Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Get:61 http://archive.ubuntu.com/ubuntu xenial-updates/main DEP-11 64x64 Icons [213 kB] Get:62 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [564 kB] Get:63 https://packagecloud.io/slacktechnologies/slack/debian jessie/main amd64 Packages [8,044 B] Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Get:64 http://archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [529 kB] Ign:65 https://packagecloud.io/slacktechnologies/slack/debian jessie/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Get:66 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 DEP-11 Metadata [185 kB] Get:67 http://archive.ubuntu.com/ubuntu xenial-updates/universe DEP-11 64x64 Icons [259 kB] Get:65 https://packagecloud.io/slacktechnologies/slack/debian jessie/main i386 Packages [5,003 B] Get:68 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 DEP-11 Metadata [5,892 B] Get:69 http://archive.ubuntu.com/ubuntu xenial-backports/main amd64 DEP-11 Metadata [3,328 B] Get:70 http://archive.ubuntu.com/ubuntu xenial-backports/universe amd64 DEP-11 Metadata [4,676 B] Get:71 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 DEP-11 Metadata [62.5 kB] Get:72 http://archive.ubuntu.com/ubuntu xenial-security/main DEP-11 64x64 Icons [62.6 kB] Get:73 http://archive.ubuntu.com/ubuntu xenial-security/universe amd64 DEP-11 Metadata [51.4 kB] Get:74 http://archive.ubuntu.com/ubuntu xenial-security/universe DEP-11 64x64 Icons [70.8 kB] Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Ign:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons Err:35 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 Packages                                                                     404  Not Found Ign:36 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main i386 Packages                                                                    Ign:37 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main all Packages                                                                     Ign:38 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en_US                                                                Ign:39 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main Translation-en                                                                   Ign:40 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main amd64 DEP-11 Metadata                                                            Ign:41 http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial/main DEP-11 64x64 Icons                                                               Fetched 4,027 kB in 16s (250 kB/s)                                                                                                                    Reading package lists... Done W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:2 and /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:3 W: The repository 'cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. W: https://download.01.org/gfx/ubuntu/16.04/main/dists/xenial/InRelease: Signature by key 09D6EF97BFB38E916EF060E756A3DEF863961D39 uses weak digest algorithm (SHA1) W: GPG error: http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7036069A2F22E44A W: The repository 'http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease' is not signed. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. W: The repository 'http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. E: Failed to fetch cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2)/dists/xenial/main/binary-amd64/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs E: Failed to fetch http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages  404  Not Found E: Some index files failed to download. They have been ignored, or old ones used instead. W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:2 and /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:3 

Update: After following suggestions provided by Zanna and suggestions from all the links included in her answer, my output is as follows:

sudo apt-get update Hit:1 http://archive.canonical.com xenial InRelease                             Hit:2 http://archive.ubuntu.com/ubuntu xenial InRelease                         Hit:3 http://ppa.launchpad.net/alessandro-strada/ppa/ubuntu xenial InRelease Get:4 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]        Hit:5 https://download.sublimetext.com apt/stable/ InRelease                    Hit:6 http://ppa.launchpad.net/noobslab/themes/ubuntu xenial InRelease          Hit:7 https://deb.opera.com/opera-stable stable InRelease                       Hit:8 http://ppa.launchpad.net/numix/ppa/ubuntu xenial InRelease         Get:9 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]      Hit:10 http://ppa.launchpad.net/papirus/papirus/ubuntu xenial InRelease         Hit:11 https://download.01.org/gfx/ubuntu/16.04/main xenial InRelease           Hit:12 https://deb.nodesource.com/node_6.x xenial InRelease Hit:13 https://packages.microsoft.com/repos/vscode stable InRelease Hit:14 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease                      Get:15 http://archive.ubuntu.com/ubuntu xenial-security InRelease [102 kB]                          Hit:16 http://ppa.launchpad.net/snwh/pulp/ubuntu xenial InRelease                      Hit:17 http://ppa.launchpad.net/ubuntu-x-swat/updates/ubuntu xenial InRelease                                     Hit:18 http://ppa.launchpad.net/ubuntuhandbook1/apps/ubuntu xenial InRelease    Hit:19 http://ppa.launchpad.net/webupd8team/atom/ubuntu xenial InRelease        Hit:20 http://ppa.launchpad.net/webupd8team/java/ubuntu xenial InRelease        Fetched 306 kB in 5s (52.6 kB/s)                    Reading package lists... Done W: https://download.01.org/gfx/ubuntu/16.04/main/dists/xenial/InRelease: Signature by key 09D6EF97BFB38E916EF060E756A3DEF863961D39 uses weak digest algorithm (SHA1) 
           
     
     

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Quando você executa sudo apt-get update , o programa APT lê o arquivo

  /etc/apt/sources.list    

e arquivos em

  /etc/apt/sources.list.d/    

e tenta baixar os arquivos de índice dos repositórios especificados lá para atualizar o banco de dados ABCDEFGHIJKLMNABCDEFGHIJKLMN8 no seu sistema para que ele contenha informações precisas e atuais sobre o conteúdo desses repositórios.

Os erros

Os erros lançados pelo APT referem-se frequentemente com o conteúdo desses arquivos.

Os problemas em sua saída todos (além do aviso de algoritmo de digest fraco) relacionam-se a repositórios que você não pode usar em 16.04. Isso sugere que suas listagens de repositório são todas mal configuradas e que você provavelmente deve regenerar suas fontes do zero! Se você acabou de instalar o Ubuntu, e nunca adicionou um PPA, sugiro que você exclua todos os arquivos em /etc/apt/sources.list.d :

  sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 0   

Então use um dos métodos descritos aqui Como faço para restaurar os repositórios padrão ? Para configurar seus repositórios de forma limpa.

No entanto, para responder à sua pergunta ...

Primeiro você tem uma série de linhas com

  sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 1   

sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 2 significa que o apt tentou baixar um arquivo e não foi possível encontrá-lo no endereço dado, mas não encontrar não foi importante o suficiente para evitar que o apt continue. Isso não é necessariamente um problema. APT pode apenas verificar arquivos que não precisam existir. Um grande número de abcdefghijklmnsudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 3 pode indicar um problema, pois sugere que você tem repositórios obsoletos configurados ou uma configuração errada, porque muitos arquivos solicitados não puderam ser encontrados.

ver:

  • Como IGG e acertar o efeito ABCDEFGHIJKLMNABCDEFGHIJKLMN14 < / código>? no super usuário.

Então você tem esse erro relacionado:

  sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 5   

Quais links para este aviso e informações:

  sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 6   

e este erro:

  sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 7   

Essas mensagens são causadas por uma linha em seu sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 8

  sudo apt-get install bzr sudo apt-get build-dep ubuntu-wallpapers bzr branch lp:ubuntu-wallpapers cd ubuntu-wallpapers bzr builddeb -- -us -uc sudo dpkg -i ../ubuntu-wallpapers*.deb 9   

Esta linha deve começar com um bzr0 para que ele seja ignorado, isto é, ele deve ser "comentado". Você pode editar o ABCDEFGHIJKLMNABCDEFGHIJKLMBCDEFGHIJKLMN21 Arquivo, usando um editor de texto aberto com privilégios de raiz, e.:

  bzr2   

Coloque um bzr3 na frente de bzr4 e salve o arquivo.

ou você pode usar as fontes de software gui em software e atualizações .

Depois de ter removido este repositório, o bzr5 que mencionam bzr6 também deve desaparecer do seu ABCDEFGHIJKLMNABCDEFGHIJKLMN27 Saída.

ver:

  • Falha ao baixar informações do repositório devido ao cdrom ausente
  • A página do homem para ABCDEFGHIJKLMNABCDEFGHIJKLMN28 Se Você está interessado no resto da mensagem de erro

Você também tem muitos bzr9 linhas relacionadas a um PPA

  bzr builddeb0   

e alguns erros relacionados a ele que são muito semelhantes aos erros ABCDEFGHIJKLMNABCDEFGHIJKLMN31 O repositório gwibber-diário não foi atualizado por muito tempo e não tem pacotes para sua versão do Ubuntu. Você precisa remover esse PPA de suas fontes. Arquivos de repositório PPA são geralmente em bzr builddeb2 . Você pode se livrar dos erros, excluindo o arquivo que se relaciona com bzr builddeb3 a partir bzr builddeb4 ou novamente, editando suas fontes da GUI.

ver:

  • Como posso consertar um erro 404 ao usar um PPA ou atualizar minhas listas de pacotes?
  • Atualização de erros: IZX / Okubuntu / Ubuntu Xenial Release 'não tem um arquivo de liberação (estou procurando uma pergunta melhor / resposta para vincular - se algum leitor tiver uma sugestão, por favor edite / comment)
  • .

Você também tem esse aviso:

  bzr builddeb5   

Isso significa que o mesmo repositório é mencionado duas vezes nos arquivos de configuração de origem. Você pode remover o erro deletando (ou ambos, se você não quiser usar esse repositório) dos arquivos mencionados ou nas fontes de software GUI.

ver:

  • como Posso corrigir automaticamente w: pacotes de destino ... é configurado várias vezes?

Você também tem

  bzr builddeb6   

Isso é provavelmente inofensivo; Significa apenas a chave usada para assinar o repositório usa um método de soma de verificação menos robusto do que os altos padrões da APT esperam. O repositório tem uma filial para 16.04, para que você possa não querer removê-lo. O aviso não impedirá que o apto do download de pacotes desse repositório.

ver:

  • como corrigir o apt: Assinatura por chave usa algoritmo de digest fraco (SHA1)?

Finalmente você tem esse aviso bem conhecido:

  bzr builddeb7   

às vezes pode ser apropriado resolver este erro por Adicionando a chave , mas isso não resolveria o problema subjacente, que é que, como os outros repositórios, este não tem pacotes para 16,04. Você deve remover este PPA de suas fontes também.

 

When you run sudo apt-get update, the APT program reads the file

/etc/apt/sources.list 

and files in

/etc/apt/sources.list.d/ 

and attempts to download index files from the repositories specified there to update the dpkg database on your system so that it contains accurate and current information about the contents of those repositories.

Errors thrown by APT often relate to the contents of these files.

The issues in your output all (apart from the weak digest algorithm warning) relate to repositories you cannot use on 16.04. This suggests that your repository listings are all misconfigured and that you should probably regenerate your sources from scratch! If you have only just installed Ubuntu, and you have never added a PPA, I suggest you delete all the files in /etc/apt/sources.list.d:

sudo rm /etc/apt/sources.list.d/* 

Then use one of the methods described here How do I restore the default repositories? to set up your repositories cleanly.

However, to answer your question...

First you have a number of lines with

Ign: cdrom://Ubuntu [...] 

Ign means that APT tried to download a file and could not find it at the given address, but not finding it was not important enough to prevent APT from continuing. This is not necessarily a problem. APT might just be checking for files that don't need to exist. A large number of Ign lines might indicate a problem though, as it suggests you have obsolete repositories configured, or a wrong configuration, because many requested files could not be found.

See:

  • How do Ign and Hit affect apt-get update? on Super User.

Then you got this related error:

Err:3 cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial/main amd64 Packages Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs 

which links to this warning and information:

W: The repository 'cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2) xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. 

And this error:

E: Failed to fetch cdrom://Ubuntu 16.04.2 LTS _Xenial Xerus_ - Release amd64 (20170215.2)/dists/xenial/main/binary-amd64/Packages  Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs 

These messages are caused by a line in your /etc/apt/sources.list

deb cdrom [...] 

This line should start with a # to cause it to be ignored, i.e. it should be "commented out". You can edit the sources.list file yourself, using a text editor opened with root privileges, e.g.:

sudo nano -w /etc/apt/sources.list 

put a # in front of deb cdrom and save the file.

Or you can use the Software Sources GUI in Software and Updates.

After you have removed this repository, the Ign lines that mention cdrom should also disappear from your sudo apt-get update output.

See:

  • Failed to download repository information due to missing CDROM
  • the man page for apt-cdrom if you are interested in the rest of the error message

You also have many Ign lines relating to a PPA

Ign: http://ppa.launchpad.net/gwibber-daily 

And some errors relating to it which are very similar to the cdrom errors. The gwibber-daily repository has not been updated for a very long time, and has no packages for your version of Ubuntu. You need to remove that PPA from your sources. PPA repository files are usually in /etc/apt/sources.list.d. You can get rid of the errors by deleting the file that relates to gwibber-daily from /etc/apt/sources.list.d, or again, by editing your sources from the GUI.

See:

  • How can I fix a 404 Error when using a PPA or updating my package lists?
  • Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file (I am looking for a better question/answer to link to - if any readers have a suggestion, please edit/comment)

You also have this warning:

W: Target Sources (main/source/Sources) is configured multiple times in /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:2 and /etc/apt/sources.list.d/ubuntu-x-swat-ubuntu-updates-xenial.list:3 

This means that the same repository is mentioned twice in your source configuration files. You can remove the error by deleting either (or both, if you don't want to use that repository) of the files mentioned, or in the Software Sources GUI.

See:

  • How can I automatically fix W: Target Packages ... is configured multiple times?

You also have

W: https://download.01.org/gfx/ubuntu/16.04/main/dists/xenial/InRelease: Signature by key 09D6EF97BFB38E916EF060E756A3DEF863961D39 uses weak digest algorithm (SHA1) 

This is probably harmless; it just means the key used to sign the repository uses a less robust checksum method than APT's high standards expect. The repository does have a branch for 16.04, so you may not want to remove it. The warning will not prevent APT from downloading packages from that repository.

See:

  • How to fix apt: Signature by key uses weak digest algorithm (SHA1)?

Finally you have this well-known warning:

W: GPG error: http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7036069A2F22E44A W: The repository 'http://ppa.launchpad.net/hanipouspilot/rtlwifi/ubuntu xenial InRelease' is not signed. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. 

It may sometimes be appropriate to solve this error by adding the key, but that would not solve the underlying problem, which is that, like the other repositories, this one has no packages for 16.04. You should remove this PPA from your sources too.

 
 
     
     

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