## SOURCES LIST FOR UBUNTU 16.04.x LTS XENIAL XERUS
## ALSO FOR XUBUNTU 16.04.x, LUBUNTU 16.04.x
## AND KUBUNTU 16.04.x
## From: http://sites.google.com/site/easylinuxtipsproject
## This list is for the Main server; you might want to select a
## faster mirror server closer to you, with Software & Updates.
## Only fit for 16.04.x LTS Xenial Xerus!
#
## SOURCES FOR ORDINARY UPDATES AND SOFTWARE:
deb http://archive.ubuntu.com/ubuntu xenial main
deb http://archive.ubuntu.com/ubuntu xenial-updates main
deb http://archive.ubuntu.com/ubuntu xenial restricted
deb http://archive.ubuntu.com/ubuntu xenial-updates restricted
deb http://archive.ubuntu.com/ubuntu xenial universe
deb http://archive.ubuntu.com/ubuntu xenial-updates universe
deb http://archive.ubuntu.com/ubuntu xenial multiverse
deb http://archive.ubuntu.com/ubuntu xenial-updates multiverse
#
## SOURCES FOR SECURITY UPDATES:
deb http://archive.ubuntu.com/ubuntu xenial-security main
deb http://archive.ubuntu.com/ubuntu xenial-security restricted
deb http://archive.ubuntu.com/ubuntu xenial-security universe
deb http://archive.ubuntu.com/ubuntu xenial-security multiverse
#
## BACKPORTS SOURCES (WITH LOWERED PRIORITY):
deb http://archive.ubuntu.com/ubuntu xenial-backports main
deb http://archive.ubuntu.com/ubuntu xenial-backports restricted
deb http://archive.ubuntu.com/ubuntu xenial-backports universe
deb http://archive.ubuntu.com/ubuntu xenial-backports multiverse
#
## PARTNER SOURCE (FOR SOFTWARE FROM
## PARTNERS OF CANONICAL):
deb http://archive.canonical.com/ubuntu xenial partner
#
## SOURCE FOR WEB BROWSER GOOGLE CHROME
## (DISABLED BY DEFAULT):
## Only enable it when you've installed Google Chrome!
## You can enable it in the application Software & Updates.
# deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
Para ponerlos usamos:
sudo nano /etc/apt/sources.list
Presionamos ctrl+O, Enter y luego ctrl + X para salir.
Luego usamos sudo apt-get update
Ojo esto es solo si se te daño el archivo de los repositorios por error y asi tu puedas arreglarlos.