Sebelumnya saya share repository yang 12.04 sekarang saya juga  ada nih yang 10.4 untuk lebih yakinnya langsung coba aja. semoga bermanfaat langkah-langkahnya sama.

AMIKOM (Tawon)
deb http://tawon.amikom.ac.id/ubuntu/ lucid main restricted universe multiverse
deb http://tawon.amikom.ac.id/ubuntu/ lucid-updates main restricted universe multiverse
deb http://tawon.amikom.ac.id/ubuntu/ lucid-security main restricted universe multiverse

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

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

UI
deb http://kambing.ui.ac.id/ubuntu lucid main restricted universe multiverse
deb http://kambing.ui.ac.id/ubuntu lucid-updates main restricted universe multiverse
deb http://kambing.ui.ac.id/ubuntu lucid-security main restricted universe multiverse
deb http://kambing.ui.ac.id/ubuntu lucid-backports main restricted universe multiverse
deb http://kambing.ui.ac.id/ubuntu lucid-proposed main restricted universe multiverse

Telkom
deb http://dl2.foss-id.web.id/ubuntu lucid main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu lucid-updates main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu lucid-security main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu lucid-backports main restricted universe multiverse
deb http://dl2.foss-id.web.id/ubuntu lucid-proposed main restricted universe multiverse

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

UGM
deb ftp://repo.ugm.ac.id/ubuntu/ lucid main restricted universe multiverse
deb ftp://repo.ugm.ac.id/ubuntu/ lucid-updates main restricted universe multiverse
deb ftp://repo.ugm.ac.id/ubuntu/ lucid-security main restricted universe multiverse

BUAYA
deb http://buaya.klas.or.id/ubuntu/ lucid main restricted universe multiverse
deb http://buaya.klas.or.id/ubuntu/ lucid-updates main restricted universe multiverse
deb http://buaya.klas.or.id/ubuntu/ lucid-security main restricted universe multiverse