Repositorios

¿Qué es un repositorio?Servidor o dispositivo donde encontramos almacenados los programas que incluye una distribución.
1. Abrir una terminal.

Menu Gnome > Aplicaciones > Accesorios > Terminal
2. Cambiar el usuario a root.
sudo su
3. Haremos un backup a la lista de repositorios.
sudo cp /etc/apt/sources.list /etc/apt/sources.list_backup
4. Abrir la lista de repositorios con uneditor de texto, por ejemplo gedit.
sudo gedit /etc/apt/sources.list
5. Buscar las siguientes lineas.
## Uncomment the following two lines to fetch updated software from the network
# deb http://us.archive.ubuntu.com/ubuntu breezy main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu breezy main restricted

## Uncomment the following two lines to fetch major bug fix updates produced## after the final release of the distribution.
# deb http://us.archive.ubuntu.com/ubuntu breezy-updates main restricted
# deb-src http://us.archive.ubuntu.com/ubuntu breezy-updates main restricted

## Uncomment the following two lines to add software from the 'universe'
## repository.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not beunder a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
# deb http://us.archive.ubuntu.com/ubuntu breezy universe

# deb-src http://us.archive.ubuntu.com/ubuntu breezy universe
# deb http://security.ubuntu.com/ubuntu breezy-security mainrestricted
# deb-src http://security.ubuntu.com/ubuntu breezy-security main restricted

# deb http://security.ubuntu.com/ubuntu breezy-security universe
# deb-src http://security.ubuntu.com/ubuntu breezy-security
universe
6. Reemplazarlas con estas.
## Uncomment the following two lines to fetch updated software from
the network
deb http://us.archive.ubuntu.com/ubuntu breezy main restricteddeb-src http://us.archive.ubuntu.com/ubuntu breezy main restricted

## Uncomment the following two lines to fetch major bug fix updates
produced
## after the final release of the distribution.
deb http://us.archive.ubuntu.com/ubuntu breezy-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu breezy-updates main restricted

## Uncomment the following two lines to addsoftware from the 'universe'
## repository.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in ##
universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb http://us.archive.ubuntu.com/ubuntu breezyuniverse
deb-src http://us.archive.ubuntu.com/ubuntu breezy universe

deb http://security.ubuntu.com/ubuntu breezy-security main restricted
deb-src http://security.ubuntu.com/ubuntu breezy-security main restricted

deb http://security.ubuntu.com/ubuntu breezy-security universe
deb-src http://security.ubuntu.com/ubuntu breezy-security universe

deb http://archive.ubuntu.com/ubuntu breezymultiverse
deb-src http://archive.ubuntu.com/ubuntu breezy multiverse

## Extras
deb http://ubuntu-backports.mirrormax.net/ breezy-extras main
restricted universe multiverse

## Backports
deb http://archive.ubuntu.com/ubuntu breezy-backports main restricted
universe multiverse
Guardar el archivo editado. (CTRL + S)

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