konfigurasi repository mirror dan update

cari software source .> other sofware >

tambahkan susumber dengan ketik;
Perpustakaan UMS 
deb http;//lutung.library.ums.sc.id/ubuntu/karmik main restricted universe multiverse
deb http;//lutung.library.ums.sc.id/ubuntu/karmik-updates main restricted universe multiverse
deb http;//lutung.library.ums.sc.id/ubuntu/karmik-security main restricted universe multiverse
hingga hasilnya sbb:
bila gagal bisa diganti dengan mirror berikut:

Repo Universitas Muhammadityah

deb http://mugos.ums.ac.id/ubuntu/ karmic main restricted universe multiverse

deb http://mugos.ums.ac.id/ubuntu/ karmic-updates main restricted universe multiverse

deb http://mugos.ums.ac.id/ubuntu/ karmic-security main restricted universe multiverse

deb http://dl2.foss-id.web.id/ubuntu/ karmic main restricted universe multiverse

deb http://dl2.foss-id.web.id/ubuntu/ karmic-updates main restricted universe multiverse

deb http://dl2.foss-id.web.id/ubuntu/ karmic-security main restricted universe multiverse

deb http://kambing.ui.edu/ubuntu/ karmic main restricted universe multiverse

deb http://kambing.ui.edu/ubuntu/ karmic-updates main restricted universe multiverse

deb http://kambing.ui.edu/ubuntu/ karmic-security main restricted universe multiverse