sudo vi /etc/apt/sources.list
deb http://old-releases.ubuntu.com/ubuntu/ lucid main restricted
deb-src http://old-releases.ubuntu.com/ubuntu/ lucid main restricted
deb http://old-releases.ubuntu.com/ubuntu/ lucid-updates main restricted
deb-src http://old-releases.ubuntu.com/ubuntu/ lucid-updates main restricted
deb http://old-releases.ubuntu.com/ubuntu/ lucid universe
deb-src http://old-releases.ubuntu.com/ubuntu/ lucid universe
deb http://old-releases.ubuntu.com/ubuntu/ lucid-updates universe
deb-src http://old-releases.ubuntu.com/ubuntu/ lucid-updates universe
deb http://old-releases.ubuntu.com/ubuntu/ lucid multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ lucid multiverse
deb http://old-releases.ubuntu.com/ubuntu/ lucid-updates multiverse
deb-src http://old-releases.ubuntu.com/ubuntu/ lucid-updates multiverse
deb http://old-releases.ubuntu.com/ubuntu lucid-security main restricted
deb-src http://old-releases.ubuntu.com/ubuntu lucid-security main restricted
deb http://old-releases.ubuntu.com/ubuntu lucid-security universe
deb-src http://old-releases.ubuntu.com/ubuntu lucid-security universe
deb http://old-releases.ubuntu.com/ubuntu lucid-security multiverse
deb-src http://old-releases.ubuntu.com/ubuntu lucid-security multiverse
sudo apt-get update