Berikut daftar server repository lokal Ubuntu 20.04 LTS (Focal Fossa),
gunakan salah satu yang paling dekat dengan lokasi Anda:

kambing.ui.ac.id

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

ftp.itb.ac.id

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

kebo.pens.ac.id

deb http://kebo.pens.ac.id/ubuntu/ focal main restricted universe multiverse
deb http://kebo.pens.ac.id/ubuntu/ focal-updates main restricted universe multiverse
deb http://kebo.pens.ac.id/ubuntu/ focal-security main restricted universe multiverse
deb http://kebo.pens.ac.id/ubuntu/ focal-backports main restricted universe multiverse
deb http://kebo.pens.ac.id/ubuntu/ focal-proposed main restricted universe multiverse

kartolo.sby.datautama.net.id

deb http://kartolo.sby.datautama.net.id/ubuntu/ focal main restricted universe multiverse
deb http://kartolo.sby.datautama.net.id/ubuntu/ focal-updates main restricted universe multiverse
deb http://kartolo.sby.datautama.net.id/ubuntu/ focal-security main restricted universe multiverse
deb http://kartolo.sby.datautama.net.id/ubuntu/ focal-backports main restricted universe multiverse
deb http://kartolo.sby.datautama.net.id/ubuntu/ focal-proposed main restricted universe multiverse

mirror.poliwangi.ac.id

deb http://mirror.poliwangi.ac.id/ubuntu/ focal main restricted universe multiverse
deb http://mirror.poliwangi.ac.id/ubuntu/ focal-updates main restricted universe multiverse
deb http://mirror.poliwangi.ac.id/ubuntu/ focal-security main restricted universe multiverse
deb http://mirror.poliwangi.ac.id/ubuntu/ focal-backports main restricted universe multiverse
deb http://mirror.poliwangi.ac.id/ubuntu/ focal-proposed main restricted universe multiverse

Cara menambahkan repo ke sistem:

  1. Buka terminal (CTRL ALT T)
  2. ketikkan –> sudo nano /etc/apt/sources.list
  3. pastekan salah satu repo di atas.
  4. selesai, CTRL X lalu Y lalu enter
  5. lakukan update, sudo apt update