Repository Source File : /etc/apt/sources.list
"sudo vi /etc/apt/sources.list"
deleting
deb http://archive.ubuntu.com/ubuntu lucid main universe deb http://archive.ubuntu.com/ubuntu lucid-updates main universe deb http://archive.ubuntu.com/ubuntu lucid-security main universe |
adding
deb http://old-releases.ubuntu.com/ubuntu lucid main universe deb http://old-releases.ubuntu.com/ubuntu lucid-updates main universe deb http://old-releases.ubuntu.com/ubuntu lucid-security main universe |