Have you tried this (from this page: http://pharo.org/gnu-linux-installation#ubuntu-ppa-headless-vm ):

Ubuntu (ppa)

Ubuntu users can use the dedicated ppa to install Pharo in various ways:

Install the headless Pharo VM only

sudo add-apt-repository ppa:pharo/stable
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install pharo-vm-core

Install��PharoLauncher, our experimental new GUI Dashboard

sudo add-apt-repository ppa:pharo/stable
sudo dpkg --add-architecture i386
sudo apt-get update
sudo apt-get install pharo-launcher



2015-12-02 17:26 GMT+01:00 Rodrigo Coimbra <rodrigotavarescoimbra@yahoo.com.br>:
How do I definitely install Pharo on Ubuntu 15.04?