\documentclass{report}

\thispagestyle{empty}
\begin{document}
$ planet -f allegro.plt kazzmir 1 4

Those last two parameters can really be whatever you want, they are just
version numbers, but they should probably match the version that you
downloaded.

Q. The planet package wont install. I am on Ubuntu.
A. Ubuntu is a binary distrobution which doesnt come with the tools necessary
to build Allegro from source. To get these tools goto the ubuntu package
manager and install the following packages:

  make
  libx11-dev

Planet wont know if Allegro doesn't build correctly so you will need to
uninstall the package before trying to install it again. This can be
accomplished like so:
$\end{document}
