For more detailed installation instructions on Ubuntu see “Installation” in the wiki.

First add the repository signing key:

sudo apt-key adv --keyserver hkp://keys.gnupg.net --recv-keys 97A336A9320E6224

The repository is:

deb http://repo.dentrassi.de/apt package-drone main

And the package is called org.eclipse.packagedrone.server.

It can then be installed by (as root):

apt-get update && apt-get install org.eclipse.packagedrone.server