How to instal Python 2.6 in ubuntu 12.04 and Ubuntu 13.04

 According to https://wiki.ubuntu.com/PrecisePangolin/ReleaseNotes/UbuntuDesktop "Python 2.6 is no longer available for install". Some legacy software that runs only on Python 2.6.

 You can use the following

 PPA: https://launchpad.net/~fkrull/+archive/deadsnakes

How to install PPA:
sudo add-apt-repository ppa:fkrull/deadsnakes

Run Update:
sudo apt-get update

Install your flavor:
sudo apt-get install python2.6 python2.6-dev