mengubah repo ubuntu 12.04 ke link local

langsung saja perintahnya

"sudo gedit /etc/apt/sources.list"


nanti isinya begini


# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to

# newer versions of the distribution.
deb http://id.archive.ubuntu.com/ubuntu/ precise main restricted
deb-src http://id.archive.ubuntu.com/ubuntu/ precise main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://id.archive.ubuntu.com/ubuntu/ precise-updates main restricted
deb-src http://id.archive.ubuntu.com/ubuntu/ precise-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://id.archive.ubuntu.com/ubuntu/ precise universe
deb-src http://id.archive.ubuntu.com/ubuntu/ precise universe
deb http://id.archive.ubuntu.com/ubuntu/ precise-updates universe
deb-src http://id.archive.ubuntu.com/ubuntu/ precise-updates universe

## 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 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://id.archive.ubuntu.com/ubuntu/ precise multiverse
deb-src http://id.archive.ubuntu.com/ubuntu/ precise multiverse
deb http://id.archive.ubuntu.com/ubuntu/ precise-updates multiverse
deb-src http://id.archive.ubuntu.com/ubuntu/ precise-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://id.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://id.archive.ubuntu.com/ubuntu/ precise-backports main restricted universe multiverse

deb http://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
deb http://security.ubuntu.com/ubuntu precise-security universe
deb-src http://security.ubuntu.com/ubuntu precise-security universe
deb http://security.ubuntu.com/ubuntu precise-security multiverse
deb-src http://security.ubuntu.com/ubuntu precise-security multiverse

deb http://all.repository.backtrack-linux.org revolution main microverse non-free testing
deb http://32.repository.backtrack-linux.org revolution main microverse non-free testing
deb http://source.repository.backtrack-linux.org revolution main microverse non-free testing
## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu precise partner
# deb-src http://archive.canonical.com/ubuntu precise partner

## Uncomment the following two lines to add software from Ubuntu's
## 'extras' repository.
## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
# deb http://extras.ubuntu.com/ubuntu precise main
# deb-src http://extras.ubuntu.com/ubuntu precise main




lalu hapus isi file / replace dan ganti dengan salah satu repo local ini,dan save

kemudian

"sudo apt-get update"

tunggu sampai selesai, sebenarnya diupdate saja sudah cukup namun jika ingin ubuntu lebih optimal bisa juga di upgrade,

"sudo apt-get upgrade"

 namun downloadnya cukup besar ,dibawah list dari beberapa server local, pilihlah sesuai keinginan dan kalau bisa yang terdekat , kalau saya pakai ugm

#UGM

deb http://repo.ugm.ac.id/ubuntu/ precise main restricted
deb http://repo.ugm.ac.id/ubuntu/ precise-updates main restricted
deb http://repo.ugm.ac.id/ubuntu/ precise universe
deb http://repo.ugm.ac.id/ubuntu/ precise-updates universe
deb http://repo.ugm.ac.id/ubuntu/ precise multiverse
deb http://repo.ugm.ac.id/ubuntu/ precise-updates multiverse
deb http://repo.ugm.ac.id/ubuntu/ precise-security main restricted
deb http://repo.ugm.ac.id/ubuntu/ precise-security universe
deb http://repo.ugm.ac.id/ubuntu/ precise-security multiverse

#ITB
deb ftp://ftp.itb.ac.id/pub/ubuntu/ precise-proposed main restricted universe multiverse
deb ftp://ftp.itb.ac.id/pub/ubuntu/ precise-security main restricted universe multiverse
deb ftp://ftp.itb.ac.id/pub/ubuntu/ precise-updates main restricted universe multiverse
deb ftp://ftp.itb.ac.id/pub/ubuntu/ precise main restricted universe multiverse

#Kambing
deb http://kambing.ui.ac.id/ubuntu/ precise-proposed main restricted universe multiverse
deb http://kambing.ui.ac.id/ubuntu/ precise-security main restricted universe multiverse
deb http://kambing.ui.ac.id/ubuntu/ precise-updates main restricted universe multiverse
deb http://kambing.ui.ac.id/ubuntu/ precise main restricted universe multiverse

#UKDW
deb http://repo.ukdw.ac.id/ubuntu precise main restricted universe multiverse
deb http://repo.ukdw.ac.id/ubuntu precise-updates main restricted universe multiverse
deb http://repo.ukdw.ac.id/ubuntu precise-security main restricted universe multiverse
deb http://repo.ukdw.ac.id/ubuntu precise-backports main restricted universe multiverse
deb http://repo.ukdw.ac.id/ubuntu precise-proposed main restricted universe multiverse

#Komo
deb http://komo.padinet.com/ubuntu/ precise-proposed main restricted universe multiverse
deb http://komo.padinet.com/ubuntu/ precise-security main restricted universe multiverse
deb http://komo.padinet.com/ubuntu/ precise-updates main restricted universe multiverse
deb http://komo.padinet.com/ubuntu/ precise main restricted universe multiverse


#mirror.its.ac.id (ITS, INHERENT)
deb http://mirror.its.ac.id/ubuntu intrepid main multiverse restricted universe
deb http://mirror.its.ac.id/ubuntu intrepid-security main multiverse restricted universe
deb http://mirror.its.ac.id/ubuntu intrepid-backports main multiverse restricted universe
deb http://mirror.its.ac.id/ubuntu intrepid-updates main multiverse restricted universe
deb http://mirror.its.ac.id/ubuntu intrepid-proposed main multiverse restricted universe

#kambing.ui.edu (UI, Telkom, Indosat, OpenIXP, INHERENT)
deb http://kambing.ui.edu/ubuntu intrepid main restricted universe multiverse
deb http://kambing.ui.edu/ubuntu intrepid-updates main restricted universe multiverse
deb http://kambing.ui.edu/ubuntu intrepid-security main restricted universe multiverse
deb http://kambing.ui.edu/ubuntu intrepid-backports main restricted universe multiverse
deb http://kambing.ui.edu/ubuntu intrepid-proposed main restricted universe multiverse

#mirror.cbn.net.id (OpenIXP)
deb http://ubuntu.cbn.net.id/Ubuntu intrepid main restricted universe multiverse
deb http://ubuntu.cbn.net.id/Ubuntu intrepid-updates main restricted universe multiverse
deb http://ubuntu.cbn.net.id/Ubuntu intrepid-security main restricted universe multiverse
deb http://ubuntu.cbn.net.id/Ubuntu intrepid-backports main restricted universe multiverse
deb http://ubuntu.cbn.net.id/Ubuntu intrepid-proposed main restricted universe multiverse

#komo.vlsm.org
deb http://komo.vlsm.org/ubuntu intrepid main restricted universe multiverse
deb http://komo.vlsm.org/ubuntu intrepid-updates main restricted universe multiverse
deb http://komo.vlsm.org/ubuntu intrepid-security main restricted universe multiverse
deb http://komo.vlsm.org/ubuntu intrepid-backports main restricted universe multiverse
deb http://komo.vlsm.org/ubuntu intrepid-proposed main restricted universe multiverse

#indika.net.id (OpenIXP)
deb http://ubuntu.indika.net.id/ intrepid main restricted universe multiverse
deb http://ubuntu.indika.net.id/ intrepid-updates main restricted universe multiverse
deb http://ubuntu.indika.net.id/ intrepid-security main restricted universe multiverse
deb http://ubuntu.indika.net.id/ intrepid-backports main restricted universe multiverse
deb http://ubuntu.indika.net.id/ intrepid-proposed main restricted universe multiverse

#ftp.itb.ac.id (ITB, INHERENT)
deb ftp://ftp.itb.ac.id/pub/ubuntu intrepid main restricted universe multiverse
deb ftp://ftp.itb.ac.id/pub/ubuntu intrepid-updates main restricted universe multiverse
deb ftp://ftp.itb.ac.id/pub/ubuntu intrepid-security main restricted universe multiverse
deb ftp://ftp.itb.ac.id/pub/ubuntu intrepid-backports main restricted universe multiverse
deb ftp://ftp.itb.ac.id/pub/ubuntu intrepid-proposed main restricted universe multiverse

#www.foss-id.web.id (Telkom)
deb http://dl2.foss-id.web.id/ubuntu intrepid main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu intrepid-updates main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu intrepid-security main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu intrepid-backports main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu intrepid-proposed main restricted universe multiverse