Working Ubuntu 14.04 (Trusty Tahr) - Ubuntu 22.04 (Jammy Jellyfish) sources.list dotfiles to replace the sources.list in your /etc/apt folder on your Ubuntu server.
Tip
These sources use Ubuntu Japan Team URL links (jp.archive.ubuntu.com). If you are handling servers in the US (or elsewhere for that matter), please update you sources.list dotfile manually by exchanging the jp.
portion of the URL to us.
if you are in the US for example.
Navigate to the /etc/apt
folder.
cd /etc/apt
Backup your current sources.list
file first.
mv sources.list sources.list_old
wget https://raw.githubusercontent.com/tkne/ubuntu-sources/main/sources.list.ubuntu1404 -O /etc/apt/sources.list
wget https://raw.githubusercontent.com/tkne/ubuntu-sources/main/sources.list.ubuntu1604 -O /etc/apt/sources.list
wget https://raw.githubusercontent.com/tkne/ubuntu-sources/main/sources.list.ubuntu1804 -O /etc/apt/sources.list
wget https://raw.githubusercontent.com/tkne/ubuntu-sources/main/sources.list.ubuntu2004 -O /etc/apt/sources.list
wget https://raw.githubusercontent.com/tkne/ubuntu-sources/main/sources.list.ubuntu2204 -O /etc/apt/sources.list
Update from the new list:
apt update
Upgrade the installed packages on your system:
apt upgrade
Tip
You can also edit and/or update your existing sources.list
file manually if you prefer to do it that way.