Ubuntu Repository
To install directly or receive regular updates you can add the repositories for ubuntu
Lucid Lynx Repository
sudo wget http://www.openastro.org/sources.list.d/lucid.list -O /etc/apt/sources.list.d/openastro.list
Karmic Koala Repository
sudo wget http://www.openastro.org/sources.list.d/karmic.list -O /etc/apt/sources.list.d/openastro.list
Jaunty Jackalope Repository
sudo wget http://www.openastro.org/sources.list.d/jaunty.list -O /etc/apt/sources.list.d/openastro.list
Add the repository key:
wget -q http://www.openastro.org/openastro.asc -O- | sudo apt-key add -
Then install the required packages:
sudo apt-get update && sudo apt-get install openastro.org