"No se puede conectar a 80.112.143.217:80", ¿por qué?

"No se puede conectar a 80.112.143.217:80", ¿por qué?

Después de instalar una copia nueva de ubuntu 14.04 descargada de ubuntu.com, estoy intentando instalar algunos paquetes, ya sea nodejs o apache2, siempre dice nombre no encontrado. Busqué un poco y encontré algunas respuestas aquí.

No se pueden instalar archivos con apt-get: "no se puede localizar el paquete"

http://ubuntuforums.org/showthread.php?t=2204637

http://ubuntuforums.org/showthread.php?t=2225203

pero ninguna solución funcionó para mí. Ya tengo todas las fuentes habilitadas.

ingrese la descripción de la imagen aquí

Además, lo intenté sudo apt-get updatemuchas veces pero vuelve.

Algunos resultados como este dicen que no se pueden descargar o encontrar paquetes o algo así:

    Err http://in.archive.ubuntu.com trusty/universe Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty/universe Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/main Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/multiverse Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/restricted Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-updates/universe Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/main Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/multiverse Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/restricted Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-backports/universe Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main Sources
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main i386 Packages
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/main Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/multiverse Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/restricted Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe Translation-en_IN
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty-proposed/universe Translation-en
  Unable to connect to 80.112.143.217:80:
Err http://in.archive.ubuntu.com trusty/main Sources
  Unable to connect to 80.112.143.217:80:
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-proposed/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/noobslab/apps/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/thefanclub/ubuntu-after-install/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/partner/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/partner/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/partner/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/main/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/multiverse/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/restricted/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/universe/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/binary-i386/Packages  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/main/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/multiverse/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/restricted/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/universe/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/main/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/multiverse/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/restricted/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/universe/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/main/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/main/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/main/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/main/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/main/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/main/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/main/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/main/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/restricted/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en_IN  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/main/i18n/Translation-en  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/restricted/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/universe/source/Sources  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/multiverse/source/Sources  Unable to connect to 80.112.143.217:80:

sudo: unable to resolve host unknown-GG003AA-ACJ-SR5160IL
Err http://in.archive.ubuntu.com trusty InRelease                                                                                                     

Err http://in.archive.ubuntu.com trusty-updates InRelease                                                                                             

Err http://in.archive.ubuntu.com trusty-backports InRelease                                                                                           

Err http://in.archive.ubuntu.com trusty-proposed InRelease                                                                                            

Err http://ppa.launchpad.net trusty InRelease                                                                                                         

Err http://ppa.launchpad.net trusty InRelease                                                                                                         

Err http://ppa.launchpad.net trusty InRelease                                                                                                         

Err http://ppa.launchpad.net trusty InRelease                                                                                                         

Err http://dl.google.com stable InRelease                                                                                                             

Err http://ppa.launchpad.net trusty Release.gpg                                                                                                       
  Unable to connect to 80.112.143.217:80:
Err http://archive.ubuntu.com trusty InRelease                                                                                                        

Err http://security.ubuntu.com trusty-security InRelease                                                                                              

Err http://archive.ubuntu.com trusty Release.gpg                                                                                                      
  Unable to connect to 80.112.143.217:80:
Err http://security.ubuntu.com trusty-security Release.gpg                                        
  Unable to connect to 80.112.143.217:80:
Err http://archive.canonical.com trusty InRelease                                                 

Err http://archive.canonical.com trusty Release.gpg                                               
  Unable to connect to 80.112.143.217:80:
Err http://extras.ubuntu.com trusty InRelease     

Err http://extras.ubuntu.com trusty Release.gpg   
  Unable to connect to 80.112.143.217:80:
Reading package lists... Done


W: Failed to fetch http://ppa.launchpad.net/noobslab/apps/ubuntu/dists/trusty/InRelease  

W: Failed to fetch http://ppa.launchpad.net/thefanclub/ubuntu-after-install/ubuntu/dists/trusty/InRelease  

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-updates/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-backports/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://in.archive.ubuntu.com/ubuntu/dists/trusty-proposed/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/linrunner/tlp/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/noobslab/apps/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://ppa.launchpad.net/thefanclub/ubuntu-after-install/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/trusty-security/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://archive.canonical.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/trusty/Release.gpg  Unable to connect to 80.112.143.217:80:

W: Some index files failed to download. They have been ignored, or old ones used instead.

Qué debería hacer ahora

Respuesta1

Como aparece el error con la misma dirección IP en cada conexión tentativa a un servidor que proporciona el paquete Ubuntu, creo que ha configurado un proxy web utilizando la IP 80.112.143.217 y el puerto 80.

Una búsqueda rápida en Google me muestra que efectivamente esta IP está asociada a un proxy web público.

Actualmente no responde a ninguna consulta, por lo que es posible que no esté funcionando ahora. Intente eliminar la configuración del proxy: System settings-> Network-> Network proxy. Elimine o cambie la dirección del proxy por una que funcione y haga clic en Apply system wide.

Respuesta2

Parece que estás utilizando un proxy para conectarte con los repositorios. Quizás el archivo de configuración en /etc/apt/apt.conf sea incorrecto. Por favor verifique el contenido. Debe tener la forma:

Acquire::http::proxy "http://<username>:<password>@<proxy>:<port>/";
Acquire::ftp::proxy "ftp://<username>:<password>@<proxy>:<port>/";
Acquire::https::proxy "https://<username>:<password>@<proxy>:<port>/";

¡¡¡El nombre de usuario no puede ser un correo electrónico!!! - el nombre de usuario y la contraseña pueden estar vacíos - eliminar < >

Si puede conectarse directamente a Internet, simplemente elimine el archivo /etc/apt/apt.conf. (También es recomendable hacer una copia de seguridad primero :)) Toda esta información se aplica a Ubuntu 12.04 a 14.04 (hasta donde yo sé)

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