Erro 404 ao atualizar o sistema

[Carlos_Magnum]

Boa noite pessoal, sou novo no Linux/Ubuntu na verdade terminei de instalar hoje e já fui ver alguns tutoriais sobre o que instalar e deu nisso. Alguem pode me ajudar e me explicar o que houve? O que fiz de errado?
Desde já grato. Segue abaixo problema:

carlos@carlos-desktop:~$ sudo apt-get update -y && sudo apt-get upgrade -y
Ign http://br.archive.ubuntu.com utopic InRelease
Ign http://security.ubuntu.com utopic-security InRelease                      
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Ign http://extras.ubuntu.com utopic InRelease                                  
Ign http://br.archive.ubuntu.com utopic-backports InRelease                    
Atingido http://security.ubuntu.com utopic-security Release.gpg                
Atingido http://br.archive.ubuntu.com utopic Release.gpg                      
Ign http://ppa.launchpad.net utopic InRelease                                  
Atingido http://security.ubuntu.com utopic-security Release                    
Atingido http://extras.ubuntu.com utopic Release.gpg                          
Atingido http://br.archive.ubuntu.com utopic-updates Release.gpg              
Atingido http://br.archive.ubuntu.com utopic-backports Release.gpg            
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Ign http://ppa.launchpad.net utopic InRelease                                  
Atingido http://security.ubuntu.com utopic-security/multiverse Sources        
Atingido http://security.ubuntu.com utopic-security/main amd64 Packages        
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Atingido http://security.ubuntu.com utopic-security/main i386 Packages        
Atingido http://security.ubuntu.com utopic-security/restricted i386 Packages  
Atingido http://br.archive.ubuntu.com utopic-backports/restricted Sources
Ign http://ppa.launchpad.net utopic InRelease                                  
Atingido http://security.ubuntu.com utopic-security/universe i386 Packages    
Atingido http://security.ubuntu.com utopic-security/multiverse i386 Packages  
Ign http://ppa.launchpad.net utopic InRelease                                  
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Atingido http://ppa.launchpad.net utopic Release.gpg                          
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Atingido http://ppa.launchpad.net utopic Release                              
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Atingido http://br.archive.ubuntu.com utopic-updates/universe amd64 Packages  
Atingido http://ppa.launchpad.net utopic Release                              
Atingido http://br.archive.ubuntu.com utopic-updates/multiverse amd64 Packages
Atingido http://br.archive.ubuntu.com utopic-updates/main i386 Packages        
Atingido http://ppa.launchpad.net utopic Release                              
Atingido http://br.archive.ubuntu.com utopic-updates/restricted i386 Packages  
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Atingido http://br.archive.ubuntu.com utopic-updates/multiverse i386 Packages  
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Atingido http://ppa.launchpad.net utopic Release                              
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Atingido http://br.archive.ubuntu.com utopic-updates/main Translation-en      
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Atingido http://br.archive.ubuntu.com utopic-updates/universe Translation-en  
Atingido http://br.archive.ubuntu.com utopic-backports/main Sources            
Atingido http://br.archive.ubuntu.com utopic-backports/universe Sources        
Atingido http://br.archive.ubuntu.com utopic-backports/main amd64 Packages    
Atingido http://br.archive.ubuntu.com utopic-backports/universe amd64 Packages
Atingido http://br.archive.ubuntu.com utopic-backports/main i386 Packages      
Atingido http://br.archive.ubuntu.com utopic-backports/universe i386 Packages  
Atingido http://br.archive.ubuntu.com utopic-backports/main Translation-en    
Atingido http://br.archive.ubuntu.com utopic-backports/universe Translation-en
Obter:4 http://ppa.launchpad.net utopic/main amd64 Packages [7.673 B]          
Obter:5 http://ppa.launchpad.net utopic/main i386 Packages [7.673 B]          
Obter:6 http://ppa.launchpad.net utopic/main Translation-en [2.809 B]          
Atingido http://ppa.launchpad.net utopic/main amd64 Packages                  
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Err http://ppa.launchpad.net utopic/main amd64 Packages
 404  Not Found
Err http://ppa.launchpad.net utopic/main i386 Packages
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Baixados 33,6 kB em 1min 14s (451 B/s)                                        
W: Falhou ao buscar http://ppa.launchpad.net/jconti/recent-notifications/ubuntu/dists/utopic/main/binary-amd64/Packages  404  Not Found

W: Falhou ao buscar http://ppa.launchpad.net/jconti/recent-notifications/ubuntu/dists/utopic/main/binary-i386/Packages  404  Not Found

W: Falhou ao buscar http://ppa.launchpad.net/tualatrix/ppa/ubuntu/dists/utopic/main/binary-amd64/Packages  404  Not Found

W: Falhou ao buscar http://ppa.launchpad.net/tualatrix/ppa/ubuntu/dists/utopic/main/binary-i386/Packages  404  Not Found

E: Falhou o download de alguns ficheiros de índice. Foram ignorados ou os antigos foram usados em seu lugar.

[douglas_locks]

bom dia
nada de mais, o sistema só não conseguiu encontrar alguns pacotes para o download. seu sistema vai funcionar normalmente.

[garfo]

Evite instalar PPAs. Geralmente são eles os causadores de problemas no apt-get e repositórios do sistema.

[Carlos_Magnum]

Agradeço pela ajuda e já estou pesquisando bastante para não fazer besteira....

Muito obrigado pela atenção.

[Creto]

Agradeço pela ajuda e já estou pesquisando bastante para não fazer besteira....

Muito obrigado pela atenção.

Olá Carlos,

Provavelmente estas linhas estão na sua sources.list ou na pasta /sources.list.d portanto mostre aqui o que tem na sources.list primeiro assim, abra o terminal e:

Código Selecionar Expandir

sudo gedit /etc/apt/sources.list

Irá abrir o editor de texto Gedit ou outro que você usar por isso certifique-se de que está no ubuntu com o ambiente gnome, se não veja qual é o editor que tem ai para efetuar o comando acima.

E neste editor copie tudo dele e cole aqui para que o fórum possa analisar o problema.

Espero ter sido útil de alguma forma.

T+

[pentestbox]

Use o software grafico que atualize os pacotes via interface gráfica, depois de concluido pode ser possível que seu problema seja resolvido, e que vc consiga usar o apt-get update sem erros.

[Sergio Benjamim]

Erro 404 é página não encontrada. A primeira coisa que a pessoa faz ao instalar um PPA é verificar se há pacotes para a sua versão do Ubuntu.

[Creto]

Use o software grafico que atualize os pacotes via interface gráfica, depois de concluido pode ser possível que seu problema seja resolvido, e que vc consiga usar o apt-get update sem erros.

Apesar de o APT ser poderoso nenhuma interface gráfica dele consegue fazer milagres

T+